About Us We’re on a mission to make health and wellness fairer and better for everyone by putting power and choice back into the hands of the people that make the difference - health and wellness practitioners. UNTIL is the home of growth - for the best health and wellness professionals and for exceptional talent. We’re passionate about helping people progress in their careers, providing them with opportunities, support, and exposure to the right experiences. For practitioners, we’re more than real estate - we’re access to the tools, community, and support they need to grow, scale, and thrive in their business. With three central London clubs (Soho, Liverpool Street, and Marylebone), and ambitious expansion plans in 2026, we’re redefining the wellness category by building a community where practitioners and team members can unlock their potential, collaborate, and grow. About the Role As a Senior Full Stack Engineer, you will work closely with the Technical Lead and product team to design, build, and scale key features for our platform. You will be involved in both frontend and backend development, with a strong focus on building scalable, maintainable, and high-performing systems. You’ll help implement new features, integrate third-party services, and ensure that our platform can support global expansion across multiple regions and languages. You will also be provided with AI-powered tools that accelerate workflows, such as GitHub Copilot, Cursor, and ChatGPT. Key Responsibilities: Full Stack Development: Develop and maintain both backend services and frontend interfaces using TypeScript, React, and Node.js. You will be responsible for creating a seamless, efficient experience for both users and internal teams. API Development & Integration: Work on API design and integration, including creating RESTful APIs and ensuring smooth integration with payment platforms like Stripe and other third-party services. Event-Driven Architecture: Build and maintain containerised or serverless systems using AWS Lambda, DynamoDB, EventBridge, and other AWS services to create resilient, scalable systems. Localization & Currency Handling: Develop solutions that handle localization and multi-currency requirements, ensuring the platform supports different languages and regions. Scalability & Performance: Focus on building systems that scale efficiently to support global user growth, ensuring performance and security at every level of the application. Collaboration & Mentorship: Collaborate closely with product managers, designers, and engineers to deliver high-quality features. AI-Powered Tools: Leverage AI-driven tools like GitHub Copilot, ChatGPT, and Cursor to accelerate development workflows, automate tasks, and enhance productivity. Required Skills and Experience: Full Stack Expertise: 5+ years of experience building web applications using React (frontend) and Node.js/TypeScript (backend). Cloud Architecture: Extensive experience with AWS services, particularly AWS Lambda, DynamoDB, and EventBridge, with a focus on building event-driven, serverless architectures. API Design & Integration: Strong experience in designing and consuming RESTful APIs, with a focus on integration with third-party services (e.g., Stripe for payment processing). Localization & Internationalization: Experience implementing localization features and handling multiple currencies based on user preferences and locale. CI/CD & Testing: Proficient in CI/CD workflows, using tools like Vitest or Jest for unit, integration and API testing. Version Control & Collaboration: Familiarity with Git and modern Git-based workflows (e.g., pull requests, code reviews, trunk-based development). Frontend Development: Experience with modern JavaScript frameworks like React or Vue, and familiarity with frontend state management (e.g., Redux or Context API). Cloud Development Tools: Experience using tools like AWS CDK or Terraform for cloud infrastructure automation and management. Desirable Skills: AI Tool Familiarity: Experience using AI-powered development tools like GitHub Copilot, Cursor, and ChatGPT to enhance workflows and productivity. Containerization: Experience with containerization tools like Docker and orchestrators like AWS ECS. Agile & Scrum: Familiarity with Agile methodologies and tools like Jira for project management.

Job Title: Senior Backend Developer Location: Pune Experience Required: 4+ Years Company: FitPhilia Solutions Private Limited (FitWay) About Us: FitPhilia Solutions Pvt Ltd (FitWay) is a company that specializes in digital fitness training, consumer engagement and wearable technology. It empowers gym businesses to create sustainable lifestyle change by devising personalized workout setups. Through deep understanding of consumer behaviour & human psychology, paired with advanced technology and data driven insights we build scalable solutions. Website - www.thefitway.io Job Description: We are looking for a Senior Backend Developer with minimum 4 years of hands-on experience to lead the development of scalable backend systems and APIs. The ideal candidate is proficient in backend frameworks, database architecture, and cloud infrastructure. You will work closely with our product, frontend, and mobile teams to deliver high-performance, secure, and scalable systems. Key Responsibilities: • Design, develop, and maintain RESTful APIs and backend services • Architect scalable systems and ensure high availability and performance • Integrate with third-party APIs and manage secure data exchanges • Optimize database queries and structure for performance and reliability • Collaborate with frontend and mobile developers for seamless user experiences • Ensure best practices in coding, architecture, and security • Lead and mentor junior developers, perform code reviews • Write unit and integration tests for robust code coverage Requirements: • Minimum 4 years of backend development experience • Strong proficiency in Node.js • Experience with relational databases (MySQL/PostgreSQL) and NoSQL (MongoDB/Redis) • Solid understanding of RESTful API design, authentication, and security standards • Good communication and problem-solving skills • Experience working in Agile/Scrum environments Nice to Have: • Familiarity with CI/CD pipelines, Docker, and microservice architecture • Experience with GraphQL • Knowledge of DevOps practices • Experience in fitness, health tech, or consumer tech products