Technical Lead (python/Fast API) SM

Tata Consultancy Services; India; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Tata Consultancy Services is seeking a backend engineer to design high-performance RESTful APIs or GraphQL endpoints using FastAPI, with OpenAPI documentation and Pydantic validations.

Responsibilities include building asynchronous microservices, managing Redis caching and background jobs, overseeing relational or NoSQL databases, implementing OAuth2/JWT-based auth, performing code reviews, mentoring, and ensuring production observability with Datadog or CloudWatch.

Job description

Role & responsibilities

API Design & Standards: Design high-performance RESTful APIs or GraphQL endpoints using FastAPI, defining clear OpenAPI/Swagger documentation and schema validations with Pydantic.

• Architecture & Microservices: Build scalable, asynchronous microservices and event-driven architectures. Manage distributed state, Redis caching, and background job processing.
• Database Management: Oversee relational (PostgreSQL) or NoSQL (MongoDB) data modeling, schema migrations, indexing, and query performance optimization.
• Security & Auth: Implement and review authentication and authorization models, such as OAuth2, JWT, and Role-Based Access Control (RBAC), ensuring data integrity and tenant isolation.

• Security & Auth: Implement and review authentication and authorization models, such as OAuth2, JWT, and Role-Based Access Control (RBAC), ensuring data integrity and tenant isolation.
• Code Reviews & Pull Requests: Review complex pull requests, enforce coding guidelines, resolve concurrency/idempotency issues, and validate AI-assisted or AI-generated backend code.
• Team Mentorship: Guide junior and mid-level developers, conduct technical training, and promote best practices in automated testing and CI/CD pipelines.
• Production & Observability: Own platform reliability, structured logging, monitoring, and tracing (e.g., via Datadog or CloudWatch) while troubleshooting difficult production incidents.

Preferred candidate profile