4Bell Technology

Staffing & Recruiting

Full Stack Lead (React + Python)(R-1608)

100,000.00-1,300,000.00/A

Any Degree

IT (Information Technology)

Contract

Bangalore/Bengaluru

05-Jul-2026

Next.js + React Python + FastAPI Postgresql Redis + Celery OAuth 2.0 / OIDC Github Aws Docker And Kubernetes

Job Description

1. 7+ years of software engineering experience, with at least 2 years in a lead or senior lead role.

2. Solid, hands-on experience with React — hooks, state management, component design, and REST API integration from the frontend.

3. Solid, hands-on experience with Python and FastAPI — REST APIs, async programming, Pydantic, and service layer design.

4. Working knowledge of PostgreSQL — schema design, relationships, SQLAlchemy ORM, and basic query optimization.

5. Experience with OAuth 2.0 / OIDC authentication flows in both frontend (session, token handling) and backend (JWT validation, RBAC).

6. Comfortable reading and implementing OpenAPI/Swagger contracts across the stack.

7. Familiarity working with AI tools like Claude for Code development and debugging.

8. Experience mentoring engineers and leading delivery within an agile team.

9. Strong communication skills — able to work across design, product, and other engineering teams.