Full Stack Developer (5-8 yrs)

Headquarters: Global, Remote Job Title: Full Stack Developer (5 to 8 Years) Product: Health and Fitness App Employment Type: Full-time Location: (On-site / Hybrid / Remote, add as applicable) About the Role We are building a health and fitness app that helps users track workouts, nutrition, goals, and progress through a smooth mobile and web experience. We are hiring a Full Stack Developer (5 to 8 years) to build end-to-end features across backend services, APIs, and modern web frontends, with strong focus on performance, scalability, and user experience. Key Responsibilities Build and maintain scalable backend services and APIs (REST and/or GraphQL) Develop responsive, user-friendly web interfaces (dashboard, admin, coach/trainer portals, internal tools) Translate product requirements into clean, maintainable, tested code across the stack Design data models and optimize queries for performance and reliability Implement authentication and authorization (OAuth2, JWT, RBAC) Integrate third-party services (payments, notifications, analytics, fitness platforms, wearables) Implement background jobs, queues, and scheduled workflows Ensure security best practices (OWASP), privacy, and safe handling of user data Set up observability (logs, monitoring, alerts) and improve system reliability Collaborate with product, design, mobile, and QA teams, participate in code reviews and sprint planning Required Skills and Experience 5 to 8 years of full stack development experience in product companies or high-quality engineering teams Strong backend skills in one of the following : Node.js (TypeScript) , Java (Spring Boot) , Python (Django/FastAPI) , Go , or .NET Strong frontend experience with modern frameworks: React / Next.js (preferred), Angular, or Vue Solid understanding of API design, versioning, caching, and integration patterns Strong database experience (PostgreSQL/MySQL, plus NoSQL is a bonus) Experience with cloud platforms (AWS / GCP / Azure), Docker, and CI/CD pipelines