MERN Stack developer

𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 (𝗠𝗘𝗥𝗡 + 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁)

 📍 Location: Sector 62, Noida (On-site Only)

 🕒 Type: Full-Time

 📅 Experience: 3–5 Years

 🏢 Company: Ultrashield Technology

We collaborate with global clients across industries such as FinTech, Healthcare, Logistics, OTT, and AI-driven platforms. We’re seeking a highly skilled Full-Stack Developer with deep expertise in the MERN stack, hands-on experience in Spring Boot and Next.js, and practical knowledge of real-time communication technologies like Agora or Twilio.

𝗞𝗲𝘆 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:

 • Develop and maintain scalable, end-to-end applications using the MERN stack and Next.js.

 • Design and implement robust backend services and APIs using Spring Boot (Java).

 • Build real-time features like chat, voice, and video calls using Agora, Twilio, or WebRTC.

 • Manage both frontend (Next.js/React) and backend (Node.js/Spring Boot) integrations efficiently.

 • Work with MongoDB/PostgreSQL for data modeling, optimization, and transactions.

 • Implement authentication, authorization, and security using JWT/OAuth2 and Spring Security.

 • Integrate third-party APIs, payment gateways, notifications, and cloud media storage (AWS S3, Firebase).

 • Optimize performance for web and backend systems (caching, lazy loading, indexing).

 • Follow Agile methodologies, participate in sprint planning, and perform code reviews.

 • Write clean, reusable, and testable code (unit/integration tests) and maintain proper documentation.

𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗱 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗤𝘂𝗮𝗹𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀:

 • 3–5 years of proven experience in MERN Stack (MongoDB, Express.js, React.js, Node.js) development.

 • Hands-on expertise in Spring Boot (Java) for backend microservices and APIs.

 • Strong proficiency in Next.js (SSR, SSG, routing, API routes, caching, and performance optimization).

 • Experience implementing real-time communication using Agora, Twilio, or WebRTC.

 • Strong understanding of JavaScript, TypeScript, and ES6+.

 • Knowledge of Redux/Context API for state management and component architecture.

 • Familiarity with AWS/Firebase, RESTful APIs, and modern DevOps practices (CI/CD).

 • Proficiency in Git and collaborative workflows.

 • Strong debugging, analytical, and problem-solving skills.

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 • Experience in React Native for cross-platform mobile applications.

 • Familiarity with GraphQL, Socket.io, Redis, or Docker.

 • Experience deploying and managing apps on AWS (EC2, S3, CloudFront, RDS) or Firebase.

 • Exposure to microservices architecture and performance monitoring tools (Sentry, Datadog, CloudWatch).

𝗪𝗵𝘆 𝗝𝗼𝗶𝗻 𝗨𝗹𝘁𝗿𝗮𝘀𝗵𝗶𝗲𝗹𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆?

✨ Work on high-impact international projects combining web, mobile, and AI-driven tech.

 🌍 Exposure to modern full-stack architectures and real-time systems.

𝗛𝗼𝘄 𝘁𝗼 𝗔𝗽𝗽𝗹𝘆:

 📧 Email: career@ultrashieldsoftware.com

 🔗 Include: Resume + GitHub/Portfolio + Live Project Links

 📌 Subject: “Full-Stack Developer (MERN + Spring Boot)”