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
Strong foundation in system design, performance optimization, and debugging
Comfortable writing unit tests, integration tests, and maintaining good code quality standards
Good to Have
Experience in health, fitness, wellness, or consumer subscription apps
Integrations with Apple Health, Google Fit, Fitbit, Garmin, Strava (or similar)
Experience with event-driven systems (Kafka, RabbitMQ, SQS), WebSockets, real-time features
Knowledge of microservices and service-to-service authentication
Exposure to compliance concepts (GDPR, HIPAA), especially if handling sensitive health data
Experience building admin panels, CMS, or internal tools for operations teams
What You’ll Work On (Examples)
User onboarding, profiles, goals, and progress tracking
Workout and nutrition planning modules, analytics dashboards
Subscription flows and payments (if applicable)
Notification and engagement systems (push, email, SMS)
Admin/ops tooling to manage content, users, coaches, and programs