We are looking for an experienced Senior Python Backend Developer to design and develop scalable, secure and production-grade backend services, REST APIs and asynchronous processing components.

The candidate should have robust expertise in Python, FastAPI, MongoDB, REST API development, asynchronous programming, secure integrations and automated testing.

Key Responsibilities

- Design and develop scalable Python backend services and REST APIs.
- Build asynchronous workers and non-blocking integrations.
- Develop typed data models and validate complex JSON payloads.
- Implement retries, timeouts, idempotency and failure recovery.
- Integrate MongoDB and external services securely.
- Develop unit, component and integration tests.
- Follow TDD, CI/CD and code review practices.
- Troubleshoot production issues and optimize performance.
- Contribute to architecture decisions and mentor junior engineers.

Mandatory Skills

Python, Advanced Python Programming, OOP,



SOLID Principles, Design Patterns, FastAPI, Uvicorn, REST API Development, API Design, Asynchronous Programming, Asyncio, JSON Validation, Typed Models, Pydantic, MongoDB, PyMongo, Motor, SQL, NoSQL, Database Integration, Transactional Writes, Outbox Pattern, OAuth 2.0, OIDC, mTLS, RBAC, Secrets Management, Pytest, TDD, Mocking, Unit Testing, Component Testing, Integration Testing, Error Handling, Retry Mechanisms, Timeouts, Backoff, Idempotency, CI/CD, Production Troubleshooting, AI Coding Assistants.

Good-to-Have Skills

- Experience with enterprise external integrations.
- Knowledge of maker-checker workflows and segregation of duties.
- Experience with resilient distributed systems.
- Experience mentoring engineers and contributing to technical architecture.

📌 Python Developer - Tech Lead (Gurugram)
🏢 Luxoft India
📍 Gurugram