Senior React Native / Full Stack Developer (FastAPI, AWS, MongoDB)

Location
Chennai (Work from Office)
About The Role
We are building a Hospital Super App that unifies teleconsultation, appointments, lab integrations, EHR connectivity, home care services, and corporate wellness into a single seamless mobile experience.
We are looking for a highly capable Full Stack Developer with strong expertise in React Native (mobile) and FastAPI (backend) who can contribute across the stack and work in a fast-paced, AI-accelerated development environment.
Key Responsibilities
Mobile App Development (Primary)
Design and develop scalable mobile applications using React Native for Android and iOS
Build reusable, maintainable, and high-performance UI components
Optimize app performance, responsiveness, and user experience
Handle offline-first features, push notifications, and real-time updates
Backend Development (Secondary but Important)
Develop REST APIs using FastAPI (Python)
Design scalable backend architecture hosted on AWS EC2
Integrate MongoDB for efficient data modeling and storage
Ensure API security, authentication (JWT/OAuth), and performance

System Integration
Integrate With External Systems Like
Electronic Health Records (EHR)
Lab systems (LIS)
Payment gateways
Teleconsultation/video APIs
Work on healthcare workflows including appointments, patient records, and home care services
AI-Assisted Development
Use tools like Cursor / Claude Code / AI coding assistants to:
Accelerate development
Improve code quality
Automate repetitive tasks
Continuously improve development efficiency using AI tools
Collaboration & Ownership
Work closely with product managers, designers, and backend teams
Take ownership of modules from design to deployment
Participate in code reviews and maintain high coding standards
Required Skills
Must-Have
Strong experience in React Native (3+ years)
Solid understanding of JavaScript / TypeScript
Experience in FastAPI / Python backend development
Hands-on experience with MongoDB

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Get Hired

Experience deploying applications on AWS (EC2, S3, basic infra)
Strong understanding of REST APIs and mobile app architecture
Experience with Git, CI/CD workflows
Good to Have
Experience in healthcare domain (EHR, telemedicine, HL7/FHIR)
Knowledge of real-time communication (WebRTC, sockets)
Experience with performance optimization and scalability
Familiarity with Docker and microservices architecture
AI Development Advantage (Important)
Hands-on Usage Of
Cursor IDE
Claude Code / similar AI coding assistants
Ability to integrate AI into development workflow
Preferred Profile
Full Stack developer with both mobile + backend experience (highly preferred)
OR
Strong React Native Developer + basic backend exposure
Strong FastAPI Backend Developer + mobile understanding
Soft Skills
Strong problem-solving ability
Ownership mindset and accountability
Ability to work in a startup/fast-moving environment
Good communication and collaboration skills
What We Offer
Opportunity to build a large-scale healthcare super app
Work on meaningful problems impacting patient care
Exposure to AI-driven development practices
High ownership and fast growth environment