Full-Stack Engineer (React Native+Python (FastAPI))

Remote | 4000 - 4500$ gross

Mad Devs

Salary: 4000 - 4500$ gross

Work format: Full-time

We are looking for a Full-Stack Engineer to lead the development of a health tech platform for biomarker tracking.

Responsibilities

- Design, develop, and maintain the mobile application using React Native

- Build and optimize the FastAPI backend to handle health data processing

- Implement automated data extraction from lab reports using Vision APIs and OCR

- Architect and manage PostgreSQL databases for secure health record storage

- Integrate external services including Stripe, ShipStation, and SendGrid

- Own the full deployment pipeline and ship an MVP quickly

Requirements

- 5+ years of experience in full-stack development with a focus on mobile applications and backend systems

- React Native: Strong experience building and maintaining cross-platform applications

- Python (FastAPI): Solid experience developing REST APIs and backend services with a focus on performance and scalability

- PostgreSQL: Proficiency in database schema design, complex queries, and migrations

- AI-Assisted Development: Hands-on experience using AI coding tools (e.g., Cursor, Claude Dev, or similar) to improve development speed, code quality, and refactoring processes

- Figma to Code: Experience translating design mockups into responsive, high-quality user interfaces

- Third-Party Integrations: Practical experience integrating external services such as Stripe, ShipStation, SendGrid, Firebase, or similar platforms

- Languages: English - Intermediate/Upper-Intermediate (B1-B2); Russian- Upper-Intermediate (B2)

- Work Format: Full-time

- Location: any, except Russia and Belarus

Will be a plus

- Experience with OCR, Google Cloud Vision API, or Vision-Language Models (VLMs)

- Experience with HTML-to-PDF or similar report generation libraries

- Experience managing releases on the App Store and Google Play

- Domain Expertise: Background in Health Tech, Biotech, or subscription-based mobile products

Contact: @recruiter_maddevs