78 Smart Contracts Jobs

You are a knowledgeable Backend and Blockchain Developer with over 2 years of experience, skilled in Node.js-based backend development and proficient in creating and deploying smart contracts on diverse layer-one blockchains. Your role involves designing and implementing scalable backend systems, integrating them seamlessly with blockchain solutions, and ensuring the architecture's robustness, scalability, and security. Your key responsibilities include developing and maintaining backend architecture, deploying smart contracts on multiple layer-one blockchains, integrating smart contracts with existing backend services, optimizing backend performance, collaborating with team members to enhance user experience, staying updated with industry trends, contributing to documentation, and assisting in end-user training. To excel in this role, you must hold a Bachelor's or Master's degree in computer science or a related field, possess 2+ years of experience in full-stack Blockchain development, have expertise in Node.js and its frameworks, a strong foundation in system architecture design, solid experience in writing and deploying smart contracts, familiarity with JSON RPC services, database drivers, and API communication systems, knowledge of blockchain principles and dApp development, proficiency in optimization and scaling strategies, familiarity with Git, strong problem-solving skills, analytical mindset, and attention to detail. This is a full-time position located in Indore, India, requiring in-person work.,

You are an experienced Full Stack Web3 Developer with at least 5 years of hands-on experience in full-stack web3 development. You possess strong expertise in Web3 technologies such as smart contracts, wallets, tokens, etc. Additionally, you have solid backend experience with Python and are familiar with modern frontend frameworks like React, Next.js, etc. It is desirable that you have a basic understanding of Generative AI (LLMs and AI Agents) or a strong interest in learning about it. You have the ability to work independently and deliver high-quality, scalable solutions. If you are passionate about building in Web3 and exploring the future of AI-driven applications, we would be delighted to hear from you. This role is open to both full-time and contract-based candidates.,

Twinsset Private Limited is currently seeking talented Hyperledger Fabric developers to join our team. We are looking for individuals with hands-on experience building and deploying blockchain applications on the Hyperledger Fabric platform. As a Blockchain Developer at our company, you will be responsible for the following: - Participating in the design, development, evaluation, and deployment of decentralized solutions. - Developing, testing, and deploying smart contracts across various domains. - Creating high-quality code that is maintainable, performant, and accessible. - Brainstorming and evaluating applications for new tools and technologies as they continually evolve. - Explaining blockchain concepts to clients in simple terms. - Demonstrating a good understanding of Blockchain fundamentals, the blockchain ecosystem, deployment topology and architectures, smart contracts, and consensus algorithms. Essential Qualifications: - Graduation in Computer Science, Information Science, or similar field. - 1+ years of experience in Hyperledger Fabric, and Node.js/Go. - Hands-on experience in MongoDB. - Solid foundation in computer science with strong competency in OOPS, data structures, algorithms, and software design. - Experience in designing and developing RESTful APIs. - Experience in using cloud infrastructure (AWS) and Linux-based platforms like Ubuntu. Desirable Qualifications: - Experience in developing Blockchain applications or proof-of-concept (POC) using Hyperledger Fabric, Blockchain-based App Development, and Token Development. - Tech Stack: MERN (MongoDB, Express.js, React.js, Node.js). - Unix/Linux systems experience. - Strong in HTML5, CSS3, and JSON. - Working knowledge of Ethereum (Solidity). - Experience in GitHub, CI/CD, DevOps Jenkins, and Git. - Requirements Gathering, Experience in Client Interaction, etc. - Strong understanding and experience in developing smart contracts and consensus algorithms. - Experience in application architecture and API-based integration. - Being a Certified Hyperledger Fabric Administrator would be an added advantage. - People with knowledge of Ethereum/Solidity will be preferred. This is an exclusive opportunity for candidates who complete Developer programs from KBA. Interested Alumni can share their resume to kba.admin@duk.ac.in with the Subject line Application to the post of Blockchain Developer (KBAJ008).,

Job description INTERNSHIP WITH THE POSSIBILITY OF ACQUIRING A FULL TIME ROLE AFTER APP LAUNCH! APP LAUNCH IS HAPPENING IN END OF AUGUST 2025 Smart Contract Developer Web3 | Blockchain We are looking for a talented Smart Contract Developer to join our innovative team and help shape the future of our Web3 platform. The ideal candidate will have a strong understanding of blockchain technologies, hands?on experience with smart contracts, and the ability to work closely with our dev team to deliver secure, high?quality solutions. Key Responsibilities: Review existing contracts and test cases Work with Web3 provider APIs (e.g., Alchemy, Etherscan, Infura) Update contracts with required functionality Collaborate with the development team to integrate contracts into the application Write documentation for integration, upgrades, and maintenance of contracts Required Knowledge: Proxy contracts Merkle tree Testing methodologies including unit testing and fuzzing What We Offer: Exciting Web3 and blockchain projects Collaborative and innovative work environment Opportunity to work with cutting?edge technologies If you are passionate about blockchain, eager to work on challenging projects, and ready to make an impact, wed love to hear from you. ???? Apply now or contact us directly to discuss how you can be part of our journey. If you want, I can now optimize this for maximum applicant clicks while still staying fully LinkedIn?compliant. Do you want me to do that Show more Show less

This is a full-time on-site role as a Full-stack Blockchain Developer at iGuru Learning Solutions in Pune. Your responsibilities will include day-to-day tasks related to building and maintaining blockchain applications and infrastructure. To excel in this role, you should have proficiency in blockchain technologies and experience in developing decentralized applications (dApps) and smart contracts. Additionally, you should possess knowledge of front-end technologies like HTML, CSS, and JavaScript for interface development, as well as familiarity with back-end development using languages such as Node.js, Python, or Java. An understanding of cryptography and cybersecurity principles in blockchain is also essential. As a Full-stack Blockchain Developer, you will need strong problem-solving skills and the ability to work effectively in a team environment. A Bachelor's degree in Computer Science, Engineering, or a related field is required. Previous experience in blockchain projects or certifications would be considered a plus. If you are a recent graduate, please note that we offer comprehensive training to help you develop the skills needed to succeed in full-stack and blockchain real-world projects.,

. Principal Software Engineering – Blockchain Location: Bangalore | Domain: Blockchain / Tokenization | Grade: G6 USPS is looking for a Principal Blockchain Engineer with strong knowledge in Smart Contracts, Ethereum, Solidity, and Tokenization . If you are passionate about decentralized applications and blockchain innovation, apply now! #BlockchainDeveloper #SmartContracts #Ethereum #Tokenization #Web3Jobs #HiringNow . Chapter Lead – Blockchain & Crypto Location: Bangalore | Domain: Blockchain & People Leadership | Grade: G7 Lead the future of digital assets with USPS ! We are hiring a Chapter Lead – Blockchain & Crypto with proven skills in Blockchain, Ethereum, Smart Contracts , and people management . Join our leadership team driving innovation in crypto-tech. #ChapterLead #BlockchainLeadership #SmartContracts #CryptoTech #PeopleManager #Tokenization #USPSHiring

Job Description We are seeking a motivated Software Engineer 2 to join our team focused on Layer-2 protocol development. In this role, you will be responsible for creating scalable and efficient solutions that enhance blockchain performance. You will collaborate with a talented team to push the boundaries of Layer-2 technology. Responsibilities Design, develop, and implement Layer-2 protocols for blockchain applications. Collaborate with cross-functional teams to define and enhance protocol features. Conduct performance analysis and optimization of existing protocol implementations. Participate in code reviews and ensure adherence to best practices and coding standards. Troubleshoot and resolve issues related to protocol functionality and performance. Stay updated with the latest trends in blockchain technology and Layer-2 solutions. Skills and Qualifications Bachelor's degree in Computer Science, Engineering, or a related field. 1-5 years of experience in software development, preferably in blockchain or network protocols. Strong programming skills in languages such as Go, Rust, or C++. Experience with Layer-2 scaling solutions and protocols (e.g., rollups, state channels). Understanding of blockchain technology and decentralized systems. Familiarity with development tools and frameworks relevant to blockchain development (e.g., Truffle, Hardhat). Knowledge of networking concepts and protocols. Strong problem-solving skills and ability to work independently or in a team.

You have experience contributing to the architecture, design, and development of Blockchain systems with a key focus on areas such as consensus, distributed ledger, and smart contracts. You possess expert understanding and working experience in development over Ethereum, specifically Smart Contracts and ERC20 tokens, along with a deep understanding of EVM. Experience in development on one of the Blockchain platforms (private and public blockchains) other than Ethereum (HL Fabric preferably) will be considered a plus. You have knowledge of Blockchain architecture design patterns and supporting infrastructure, and have a track record of delivering end-to-end solutions, including the life cycle for infrastructure, following SDLC. Your expertise includes developing custodial and non-custodial crypto wallets and crypto exchanges. You have experience in integrating blockchain technology with mobile app development. You demonstrate strong proficiency in Solidity and Javascript (preferably Node JS), along with an understanding of cryptography and cryptographic protocols. Your experience with Git or other version control systems, as well as Test Driven Development, is a strong asset. You are capable of working in a client-facing capacity, as well as collaborating with teams of software engineers.,

As a Blockchain Developer with over 3 years of experience, you will be responsible for conducting necessary research to identify optimal solutions for software infrastructure. You will present your findings to team members in a clear and concise manner, facilitating and participating in meetings. Your role will involve researching, designing, developing, and testing blockchain technologies, as well as brainstorming and evaluating applications for new tools and technologies. You will play a key role in maintaining and extending client- and server-side applications, integrating business logic, and contributing to the global blockchain community by implementing the latest improvement proposals. Documenting new solutions and maintaining existing ones will also be part of your responsibilities. To excel in this position, you should have a Bachelor's or Master's degree in Computer Science, Software Engineering, or related fields. Prior experience in developing blockchain applications or smart contracts is essential. Strong problem-solving skills are required to analyze and resolve complex blockchain and cryptography challenges. Knowledge of financial technologies, including cryptocurrencies, tokens, and DeFi concepts, is advantageous. Security awareness, familiarity with common blockchain security vulnerabilities, and best practices are crucial. Effective communication skills are necessary to document technical details clearly and collaborate with cross-functional teams.,

We are seeking a highly skilled Blockchain Developer to join our team and take charge of designing, developing, and deploying decentralized applications (DApps) and blockchain-based solutions. The ideal candidate will have in-depth knowledge of blockchain technologies, smart contract development, and distributed systems, and will work on creating secure and scalable systems. Key Responsibilities: 1.Blockchain Development: Design, implement, and deploy blockchain-based solutions and applications. Build and maintain distributed ledger technology and blockchain protocols. 2.Smart Contract Development: Develop, test, and deploy smart contracts using Solidity or similar programming languages. Ensure security and compliance of smart contracts with industry standards. 3.Integration: Integrate blockchain solutions with existing systems, APIs, and third-party services. Work on wallet integration and token development. 4.Testing Debugging: Conduct rigorous testing and debugging of blockchain networks to ensure reliability and performance. Identify and resolve issues in smart contracts and blockchain platforms. 5.Collaboration: Work closely with front-end and back-end developers to integrate blockchain technology into web applications. Collaborate with product managers, UX designers, and other stakeholders. 6.Research Innovation: Stay updated on the latest blockchain trends and technologies. Explore and propose new use cases for blockchain technology. 7.Documentation: Write technical documentation for blockchain projects, including architecture and processes. Required Skills: 1.Technical Skills: Proficiency in blockchain platforms like Ethereum, Hyperledger, or Solana. Experience with smart contract programming languages (e.g., Solidity, Rust, or Vyper). Strong knowledge of cryptographic algorithms and security best practices. Familiarity with decentralized finance (DeFi) and token standards (e.g., ERC-20, ERC-721). Hands-on experience with tools like Web3.js, Truffle, and Ganache. 2.Programming Skills: Proficiency in programming languages such as JavaScript, Python, Go, or C++. Experience with backend frameworks like Node.js or Django. 3.Database Distributed Systems: Knowledge of distributed systems and databases. Experience with decentralized storage solutions (e.g., IPFS). 4.Problem-Solving: Strong analytical and debugging skills. Ability to optimize smart contracts and blockchain performance.

You have a great opportunity to join our team as a Blockchain and AI Developer in Kolkata. As a candidate with 2-3+ years of experience in AI/ML, blockchain technologies, and DApp development, you will be responsible for designing, developing, and deploying innovative solutions using AI/ML technologies to address complex business challenges and enhance product capabilities. You will work on building and maintaining decentralized applications (DApps) using blockchain platforms, ensuring security, scalability, and efficiency. Additionally, you will develop and integrate NFTs into blockchain-based platforms, enabling unique digital asset creation, management, and transactions. Collaboration with cross-functional teams, including designers, developers, and product managers, is a key aspect of this role to deliver cutting-edge blockchain and AI solutions that align with user and business requirements. You will also contribute to the development of smart contracts, ensuring their accuracy, security, and functionality in decentralized ecosystems. It is essential to stay updated on advancements in AI/ML, blockchain, and NFT technologies, applying modern principles and best practices to enhance product offerings and user experiences. To be successful in this role, you must have a strong proficiency in tools and frameworks such as TensorFlow, PyTorch, Solidity, Ethereum, and other blockchain development environments. A portfolio showcasing projects involving AI/ML algorithms, smart contract development, NFT integrations, and DApp implementations is required. A solid understanding of blockchain architecture, cryptographic principles, and machine learning model deployment is also necessary. A certification or degree in Computer Science, Data Science, Blockchain Development, or a related field is essential for this position. Join us for a fulfilling career where you will enjoy recognition from day one, a flexible five-day work schedule, and opportunities for career growth and learning. With competitive salary packages, health insurance benefits, flexible working hours, paid holidays, training programs, and a supportive work environment, you will have the chance to work on exciting projects and collaborate with great clients. Embrace the opportunity to work with an award-winning company that offers best-in-class facilities, modern infrastructure, and a fun and collaborative work culture. Thrive in your career scope with us!,

About KoinBX: KoinBX is a centralized cryptocurrency exchange founded in India, operating successfully for over six years. The company has grown steadily with a clear vision: to make crypto trading secure, simple, and accessible to users around the world. The platform supports a wide range of digital assets and is known for its strong security framework, intuitive user experience, and commitment to transparency. With a growing global user base, KoinBX is building a trusted ecosystem where traders and investors can confidently engage with the future of finance. Inside KoinBX's Engineering Team: The Engineering team at KoinBX is the backbone of the company's cutting-edge products and platforms. Engineers take on complex challenges to develop scalable, secure, and high-performance solutions that drive the future of digital finance. If you are passionate about innovation and solving real-world problems, come be a part of the team shaping the future of Web3 technology. You will be diving into tasks such as: - Designing, developing, and maintaining scalable web applications using JavaScript stack technologies such as Node.js, Nest.js, React.js, and Express.js. - Integrating various public blockchains into the platform. - Collaborating with cross-functional teams including product managers, designers, and backend developers to define and implement features and enhancements. - Implementing and maintaining APIs for seamless interaction with blockchain networks and protocols. - Optimizing application performance and ensuring high availability and reliability. - Conducting code reviews, identifying areas for improvement, and mentoring junior team members. - Staying updated with the latest trends and advancements in blockchain technology and web development, and evaluating their potential impact on the platform. - Ensuring adherence to coding standards, best practices, and security guidelines. Skills required for the role: - Bachelor's degree in Computer Science, Engineering, or related field. - 3-5 years of professional experience in web development with a strong focus on JavaScript stack technologies. - Proven experience in integrating blockchain technology into web applications, with a deep understanding of blockchain protocols, smart contracts, and decentralized applications (dApps). - Proficiency in multisignature, multiparty computation, and 3rd party Node provider integration. - Experience with public blockchain platforms such as Bitcoin, Ethereum, etc. - Solid understanding of RESTful APIs and web services. - Strong problem-solving skills and the ability to troubleshoot complex issues. - Excellent communication and collaboration skills. - Ability to thrive in a fast-paced, agile environment and adapt to changing priorities. - Experience with continuous integration and deployment (CI/CD) pipelines is a plus. - Experience in setting up Bitcoin core and Geth node is a plus. Why Join KoinBX - Be part of India's rapidly growing blockchain technology company. - Contribute to the evolution of the cryptocurrency industry. - Develop customer-facing technology products for global users. - Work in a performance-driven environment that values ownership and innovation. - Gain exposure to cutting-edge technologies with a steep learning curve. - Experience a meritocratic, transparent, and open work culture. - High visibility in the global blockchain ecosystem. Perks & Benefits at KoinBX: - Exciting and challenging work environment. - Opportunity to work with highly skilled professionals. - A dynamic and growth-oriented career path. Join us and be a part of the revolution in the cryptocurrency industry! Job Types: Full-time, Permanent Work Location: In person,

Educational Requirements Master Of Comp. Applications,Master Of Engineering,Master Of Science,Master Of Technology,Bachelor Of Comp. Applications,Bachelor Of Science,Bachelor of Engineering,Bachelor Of Technology Service Line Block Chain Services Responsibilities Candidate must be located within commuting distance of Singapore. Bachelor’s Degree or foreign equivalent, will consider work experience in lieu of a degree Overall, 10-13yrs of experience. At least 3+ years of hands-on experience on Hyperledger Fabric, R3 Corda and Ethereum. Strong understanding of different types of Blockchain such as public, private/permissioned, public permissioned, etc. Understanding of Blockchain frameworks HyperLedger, R3 Corda and Ethereum. Understand Blockchain Data Architecture and ability to Identify/recommend ways to optimize data elements on-chain/Off-chain. Good understanding of various different consensus algorithms used in different DLT frameworks. Knowledge of cryptography, including asymmetric (pub/priv key), symmetric, hash functions, encryption/signatures. Experience using cryptography material such as certificates for identity management in order to authenticate members, transactions etc. Skilled in performance metrics for measuring Blockchain performance Able to provide training/mentoring to technical staff in relation to Blockchain tools and frameworks, Blockchain concepts etc. 8+ years of Java / J2EE Architecture/Design experience Strong knowledge of Blockchain fundamentals, smart contracts, consensus algorithms Experience with Spring Boot Jenkin, Sonar, Junit, Docker, Java Script, GoLang, AngularJS, and the Cloud (Azure) Proven understanding of architecture best practices Knowledge and experience with full SDLC lifecycle Experience with Lean / Agile development methodologies Excellent verbal and written communications skills, able to resolve business issues Preferred Skills: Technology-Java-Springboot Technology-Blockchain-Blockchain - All Technology-Blockchain-Blockchain Platforms-Corda Technology-Enterprise Architecture-API / Microservices Architecture

Sanas is revolutionizing the way you communicate with the world's first real-time algorithm, designed to modulate accents, eliminate background noises, and magnify speech clarity. Pioneered by seasoned startup founders with a proven track record of creating and steering multiple unicorn companies, our groundbreaking GDP-shifting technology sets a gold standard. Sanas is a 200-strong team, established in 2020, and has successfully secured over $100 million in funding. Our innovations have been supported by leading investors, including Insight Partners, Google Ventures, Quadrille Capital, General Catalyst, Quiet Capital, and others. Collaborations with numerous Fortune 100 companies further solidify our reputation. With Sanas, you're not just adopting a product; you're investing in the future of communication. As the Head of Worldwide Procurement, your role involves designing and implementing an innovative global procurement strategy that leverages cutting-edge technologies to drive efficiency, cost savings, and supply chain resilience. With a focus on SaaS-centric operations in the US and Bangalore, you will optimize processes across global offices. This presents a unique opportunity to build a modern procurement function from the ground up while closely working with the executive team to support rapid growth. Key Responsibilities: - Design and execute a comprehensive global procurement strategy aligned with company objectives and growth plans. - Lead the implementation of advanced procurement technologies, including AI-powered spend analytics, automated vendor management, and intelligent forecasting tools. - Design and optimize procurement workflows using RPA to eliminate manual tasks and increase efficiency. - Implement and improve modern travel and expense management systems across all global offices, emphasizing compliance, cost control, and positive employee experience. - Develop decision frameworks for optimal procurement entities based on tax implications, cost-plus markup considerations, and operational efficiency. - Build strategic partnerships with key suppliers globally and implement data-driven vendor evaluation frameworks. - Negotiate terms with software engineering contractors in India and optimize agreements with independent contractors globally. - Secure competitive rates for US marketing and advertising services. - Identify and execute cost-saving opportunities through advanced analytics, strategic sourcing, and contract negotiation. - Develop risk assessment methodologies using predictive analytics to ensure supply chain resilience. - Collaborate with various departments to ensure procurement initiatives support broader business goals. - Establish modern procurement policies balancing agility with appropriate controls. - Implement real-time dashboards and KPIs to track procurement performance and business impact. - Create presentations and reports for executive leadership, translating procurement metrics into strategic business impact. Qualifications: - 8+ years of procurement experience with at least 3 years in a leadership role in SaaS-centric US and Bangalore environments. - Bachelor's degree required; MBA or advanced degree in Supply Chain Management preferred. - Professional certifications such as CPSM, CPM, CSCP, or equivalent are a plus. - Fluency in English; proficiency in Kannada is advantageous. - Experience implementing AI or RPA solutions in procurement processes with measurable results. - Proficiency in modern procurement technologies across global environments. - Strong understanding of India and US SaaS procurement practices, cost-plus markup models, and multi-entity procurement strategies. - Proven track record in negotiating with various contractors and vendors. - Exceptional presentation skills with the ability to influence senior leadership decisions. - Experience building procurement functions in global organizations with diverse category requirements. - Knowledge of procurement regulations and tax implications across multiple countries. - Strong understanding of digital transformation in procurement and supply chain operations. - Data-driven mindset with experience leveraging analytics for decision-making. - Excellent communication skills to influence stakeholders across different levels and geographies. Technical Competencies: - AI/ML Applications: Experience with AI-powered spend analytics and predictive sourcing. - RPA Implementation: Hands-on experience with RPA for procurement processes. - Travel & Expense Systems: Proficiency with modern T&E platforms. - Early-Stage Financial Systems: Experience with financial tools used by early-stage companies. - Advanced Analytics: Proficiency with data visualization tools and procurement analytics platforms. - Digital Procurement Platforms: Knowledge of cloud-based procurement solutions. - Multi-Entity Financial Systems: Experience with financial systems supporting complex procurement strategies. - API Integration: Understanding of system integration concepts. - Global Contractor Management: Experience with international contractor management solutions. - Marketing Procurement: Knowledge of digital marketing procurement practices. - Smart Contracts: Understanding of blockchain and smart contract applications in procurement. Joining Sanas means contributing to the world's first real-time speech understanding platform that revolutionizes Contact Centers and Enterprises. Our technology empowers agents, transforms customer experiences, and drives measurable growth. Be part of a team exploring the vast potential of an increasingly sonic future.,

As a Trader at GMIndia Pvt Ltd, you will play a crucial role in optimizing revenue generation across various financial markets, including traditional finance, decentralized finance (DeFi), forex, equities, commodities, and cryptocurrencies. Your expertise in market trends, algorithmic trading, risk management, and liquidity strategies will be instrumental in driving revenue growth and maximizing trading strategies. Your key responsibilities will include executing trading strategies across multiple markets to ensure consistent profits, developing and implementing algorithmic and discretionary trading strategies leveraging AI and quantitative models, monitoring market movements and identifying arbitrage opportunities, engaging with smart contract-based protocols in DeFi ecosystems, collaborating with tech and data science teams to enhance trading algorithms, managing risk exposure, and staying informed about regulatory changes and market trends. To excel in this role, you should have 3-7+ years of trading experience across multiple markets, strong knowledge of blockchain, DeFi, and smart contracts, proficiency in technical, fundamental & quantitative analysis, and familiarity with DEXs, centralized exchanges & liquidity strategies. Additionally, experience in algorithmic trading & programming (Python, Solidity, Rust) would be a plus. This is a full-time position based in Chennai or Ahmedabad, offering Provident Fund benefits. Join us at GMIndia Pvt Ltd and be part of a dynamic team driving innovation in the financial industry through AI, blockchain, and data-driven strategies.,

Key Responsibilities Develop, test, and deploy smart contracts on Solana using Rust & Anchor , and on EVM chains using Solidity Design and build DeFi , NFT , and liquid staking protocols Architect and implement DAO systems , including voting, governance tokens, and treasury control Integrate off-chain data providers like Pyth , Chainlink , and custom oracles Build full-stack dApps using React , Next.js , and Web3 libraries with seamless wallet support (Phantom, MetaMask) Optimize contracts for gas efficiency , on-chain storage , and rent exemption Perform audits, write tests, and ensure smart contract security against common vulnerabilities Deploy and manage dApps and contracts using CI/CD pipelines Collaborate with frontend/backend engineers, product teams, and designers Contribute to architecture, documentation, and developer tooling Stay on top of emerging blockchain tech, including zk-rollups, Layer 2s, and governance trends Required Skills & Experience Core Blockchain Development 2+ years of Rust programming using Anchor and native Solana development Strong proficiency in Solidity for EVM-based chains Deep understanding of: NFT standards (ERC-721, ERC-1155, Metaplex) DeFi protocols , tokenomics, and liquid staking mechanics DAO infrastructure , voting mechanisms, and treasury governance (mandatory) ZK cryptography (zk-SNARKs, Circom, Noir, or related frameworks) (mandatory) Experience with PDAs , CPIs , Solana account models, and fee optimization Knowledge of cross-chain protocols (Wormhole, LayerZero, etc.) Off-chain Integration Integration with oracles like Chainlink and Pyth Handling off-chain state, events, and real-time data feeds Full Stack dApp Integration Frontend frameworks: React , Next.js , Tailwind Web3 integrations using: ethers.js , viem , web3.js Wallet connectivity: Solana Wallet Adapter , MetaMask , WalletConnect Backend: Node.js or Python with REST/GraphQL APIs Indexing: The Graph , Helius , Moralis , or custom listeners Security & Testing Experience writing and running unit/integration tests using Foundry , Hardhat , and Anchor test suites Familiarity with attack vectors: reentrancy , flash loan exploits , oracle manipulation , etc. Best practices in smart contract audits and on-chain observability DevOps & Deployment Smart contract deployment automation with CI/CD pipelines Experience storing metadata on IPFS / Arweave Key management and multisig setups Nice-to-Have Hands-on work with zk-rollups , StarkNet , or zkVMs Contributions to open-source blockchain protocols or GitHub libraries Prior experience in GameFi , DAOs, or social token platforms Hackathon wins or community leadership in Web3 spaces

You must be located within commuting distance of Singapore and possess a Bachelor's Degree or foreign equivalent, although work experience may be considered in place of a degree. With a total of 10-13 years of experience, you should have at least 3+ years of hands-on experience working with Hyperledger Fabric, R3 Corda, and Ethereum. It is essential to have a strong understanding of various types of Blockchain technology, including public, private/permissioned, and public permissioned. Your expertise should extend to Blockchain frameworks such as HyperLedger, R3 Corda, and Ethereum, as well as a comprehensive understanding of Blockchain Data Architecture. You should be able to identify and recommend ways to optimize data elements on-chain/off-chain and possess knowledge of different consensus algorithms used in various DLT frameworks. A solid grasp of cryptography, including asymmetric (pub/priv key), symmetric, hash functions, encryption/signatures, is crucial. Previous experience using cryptography material like certificates for identity management to authenticate members and transactions is required. You should be skilled in measuring Blockchain performance metrics and capable of providing training and mentoring to technical staff regarding Blockchain tools, frameworks, and concepts. Additionally, you should have 8+ years of Java/J2EE Architecture/Design experience, a strong knowledge of Blockchain fundamentals, smart contracts, and consensus algorithms. Experience with Spring Boot, Jenkin, Sonar, Junit, Docker, Java Script, GoLang, AngularJS, and the Cloud (Azure) is preferred. Demonstrated understanding of architecture best practices, full SDLC lifecycle, Lean/Agile development methodologies, and excellent verbal and written communication skills are necessary to effectively resolve business issues.,

We are hiring a Blockchain Developer to work on a government-focused certificate management project. The objective is to build a secure, tamper-proof system for storing and verifying official documents such as birth certificates, Aadhaar, income, caste, and academic certificates using blockchain technology. The system should prevent unauthorized access and ensure seamless verification by authorized entities. Key Responsibilities: Design and develop a blockchain-based platform for certificate issuance, storage, and verification. Implement secure storage mechanisms (on-chain/off-chain/IPFS) for documents and their hash references. Develop APIs for real-time certificate verification and third-party integrations. Ensure end-to-end encryption, secure access control, and tamper-proof document handling. Implement identity/authentication protocols (e.g., eKYC, public-private key access). Collaborate with backend and frontend teams to integrate blockchain with existing systems. Document technical workflows and maintain audit trails for access and verification. Mandatory Skills: 3+ years of hands-on experience in blockchain development (Ethereum, Hyperledger, Polygon, or similar) Strong understanding of smart contracts , hashing , digital signatures , and encryption Experience with document storage strategies : on-chain, IPFS, or hybrid models Proficiency in Solidity, Node.js, Python , or similar languages Deep understanding of access control , data privacy , and zero-trust architecture Integration experience with public APIs and verification platforms Ability to explain RAG architecture, embeddings, or vector DBs (if used for search/AI overlay)

We are looking for a skilled Developer with 2 to 7 years of experience to work on Blockchain projects in Bengaluru. The ideal candidate will have a strong background in IT Services & Consulting, particularly in Blockchain development. Roles and Responsibility Design, develop, and implement secure and efficient blockchain-based solutions. Collaborate with cross-functional teams to identify and prioritize project requirements. Develop smart contracts and scripts using various programming languages. Conduct thorough testing and debugging of blockchain applications. Stay updated with the latest advancements in blockchain technology and apply them to improve existing systems. Participate in code reviews and contribute to improving overall code quality. Job Requirements Strong understanding of blockchain fundamentals, including cryptography and consensus algorithms. Proficiency in programming languages such as Solidity, Smart Contracting, and Scripting. Experience with blockchain platforms like Ethereum, Binance Smart Chain, or similar technologies. Excellent problem-solving skills and attention to detail. Ability to work collaboratively in a team environment and communicate effectively with stakeholders. Strong analytical and critical thinking skills, with the ability to learn quickly and adapt to new technologies.

Develop decentralized applications using TypeScript/JavaScript Integrate smart contracts (Solidity, Rust) with front-end and back-end systems Interact with blockchain nodes (Ethereum, BSC, Solana) via Web3, Ethers.js, or Solana web3.js

The Crypto Information Security Specialist is entrusted with the responsibility of safeguarding blockchain-based systems, digital assets, and cryptographic infrastructure. In this position, you will focus on risk management, security architecture, compliance, and incident response within cryptocurrency, DeFi, and blockchain environments. Your expertise in cryptographic protocols, smart contract security, key management, and blockchain threat intelligence will be essential to ensure alignment with regulatory frameworks such as GDPR, SOC 2, ISO 27001, FATF, MiCA, and SEC regulations. Your primary responsibilities will include designing and implementing security controls for blockchain networks, smart contracts, and crypto wallets. Conducting threat modeling and risk assessments for blockchain infrastructure and digital asset transactions. Developing and enforcing cryptographic key management policies using technologies like HSMs, MPC, cold/hot wallets. Monitoring and analyzing emerging blockchain threats such as 51% attacks, front-running, MEV exploits, and private key compromise. Securing API integrations, cross-chain bridges, and DeFi protocols. Detecting, investigating, and responding to blockchain-related security incidents like wallet breaches, smart contract exploits, and rug pulls. Developing playbooks for crypto forensics and fraud investigations. Collaborating with SOC teams to monitor blockchain-based threats in SIEM/SOAR platforms. Conducting vendor risk assessments for custodial and non-custodial crypto services. To excel in this role, you should have experience in Blockchain Security, including securing Ethereum, Bitcoin, Solana, or Layer 2 solutions. Proficiency in Smart Contracts using Solidity, Rust, Vyper, or Move, with experience in security audits and fuzz testing. Strong knowledge of Cryptography, including asymmetric encryption, zero-knowledge proofs, digital signatures, and multi-party computation (MPC). Experience with Key Management using HSMs, MPC wallets, cold/hot storage solutions. Familiarity with Security Tools & Technologies like Fireblocks, SIEM, XDR, and blockchain analytics tools such as Chainalysis and TRM Labs is also preferred. Preferred certifications for this role include Certified Blockchain Security Professional (CBSP), GIAC Blockchain and Smart Contract Security (GSCBP), CISSP, CISM, or OSCP with a blockchain focus. The working days/hours for this position are Monday to Friday, fully from the office. This position is located in Chennai & Hyderabad, and all employees of Technementals Innovation India Private Limited must be eligible to work in India.,

Skills: Strong technical foundation and proven hands-on experience in Blockchain technology, smart contract development, and building Web3 applications. Familiarity with various blockchain platforms and their respective development tools and frameworks Understanding of cryptographic principles and blockchain security best practices. Ability to guide students in conceptualizing, developing, and deploying blockchain-based projects. Must be able to confidently explain and simplify Blockchain and Web3 concepts for diverse age groups and academic levels. Excellent communication skills in English and Hindi (both verbal and written). Strong planning and time management abilities. Strong public speaking and presentation skills. Comfortable handling large groups and tailoring delivery methods to suit different institutions. Excellent stakeholder management handling clients, academic institutions, and internal teams. Willingness to take up training responsibilities as required. Role & responsibilities Lead Training Sessions: Deliver engaging and practical trainings on a wide range of Blockchain and Web3 topics across colleges, schools, and premier institutions. Mentorship & Team Training: Train, guide, and mentor junior trainers from PHN Technology, ensuring content and delivery consistency in Blockchain and Web3. Content Development: Develop and continuously update training materials, live projects, case studies, and demos in line with the latest trends and advancements in Blockchain and Web3. Travel Readiness: Willingness and ability to travel extensively across India for conducting workshops and sessions as per schedule. Preferred candidate profile We are looking for a highly skilled professional with deep expertise in Blockchain technology, smart contract development, and building Web3 applications . The ideal candidate should have a minimum of 5+ years of relevant experience in teaching, corporate training, or industry roles. A strong command over communication (both verbal and written) in English and Hindi is essential, along with the ability to clearly explain and simplify complex full stack concepts to learners across diverse age groups and academic levels. Candidates should possess excellent public speaking and presentation skills , and be comfortable delivering sessions to large groups while tailoring the content as per institutional needs.

Indian Cyber Security Solutions is looking for Block Chain Developer to join our dynamic team and embark on a rewarding career journey Designing and developing decentralized applications (dApps) using blockchain technologies such as Ethereum, Hyperledger, or Corda Building smart contracts using Solidity or other blockchain programming languages Implementing consensus algorithms and cryptographic protocols Integrating blockchain solutions with other systems and applications Developing and deploying blockchain nodes and infrastructure Ensuring the security and scalability of blockchain networks

As a skilled Solidity Developer, you will be joining our blockchain engineering team in Kochi, Kerala. Your primary responsibility will be to design, develop, test, and deploy secure and scalable smart contracts for DeFi, NFTs, or Web3 platforms using Solidity on Ethereum-compatible blockchains. Collaborating with frontend/backend teams, you will integrate smart contracts into dApps and optimize them for performance, gas efficiency, and security. Additionally, you will conduct code reviews, audits, and unit testing to ensure reliability while staying updated on the latest Web3 trends, tools, and vulnerabilities. You are required to have a minimum of 2 years of experience in Solidity development along with a deep understanding of Ethereum, EVM, smart contract architecture, and token standards such as ERC-20, ERC-721, ERC-1155. Familiarity with tools like Hardhat, Truffle, Remix, Ganache, web3.js/ethers.js, and integrating smart contracts with frontend/backend is essential. Knowledge of security best practices including reentrancy, overflow, front-running, etc., as well as proficiency in Git and Agile workflows are expected. It would be a plus if you have experience with Layer 2s, sidechains, or cross-chain platforms, familiarity with Rust, Solidity Assembly, or other blockchain protocols, and prior contributions to open-source Web3 projects. As a passionate individual about blockchain and decentralized technologies, you should possess strong problem-solving, analytical skills, and be a clear communicator and team collaborator. In return, we offer a competitive salary, token incentives, a flexible work environment, and the opportunity to work on cutting-edge Web3 products. If you are enthusiastic about decentralized tech and clean, gas-efficient code, we would love to have a conversation with you.,

Software Engineer II Blockchain Technology Location: Bangalore, India (Work from Office) Experience Required: 6 to 10 years Only Bangalore based candidates are requested to apply who are able to come for Face-to-Face Round of Interview Job Description As a Software Engineer II, you will be part of our blockchain team Your role will be to build backend services, integrate blockchain networks, and ensure our systems are secure, scalable, and high-performing. You will work closely with product managers, architects, and other engineers to deliver cutting-edge solutions in DeFi and RWA spaces. If you are passionate about blockchain and backend technologies, this is the place for you! Key Responsibilities Develop backend and oracle services for the MVL ecosystem. Write and maintain code in Typescript. Integrate blockchain networks with backend services. Understand business needs and build APIs for DeFi and RWA projects. Required Skills & Experience 6-10 years of experience in Node.js backend development. Proficient in blockchain integrations, including ethers/viem for creating transactions or fetching data. Experience with smart contracts and basic cryptography concepts related to blockchain, especially within the EVM ecosystem. Strong skills in Typescript, Node.js, and frameworks like NestJS, Express.js, Koa or Hapi.js. Experience in building server apps using databases, caching, and message queues. SQL or ORM knowledge for data management. Writing test code using tools like Jest or Vitest. Good communication with frontend teams using API specifications. Preferred Skills Understanding of microservices architecture. Experience in Monorepo environments and tools like Turborepo. Strong understanding of Typescript features (Generics, Type Narrowing, etc.). Experience with message queues (RabbitMQ) for service communication. Familiarity with Docker, Kubernetes, and CI/CD pipelines. Interest in cryptocurrency and blockchain trends.