Opening via Tezvyn
Backend Engineer (Python)
IT services and consulting company · Gurugram · 2-3 yrs · ₹18-25 LPA
We are hiring a Backend Engineer (Python) in Gurugram for a team building on FastAPI, Python, Pydantic. 2-3 years of experience.
WHAT YOU WILL WORK ON
FastAPI, Python, Pydantic, with APIs, Asyncio, Security across the wider stack.
WHAT YOU NEED
- 2-3 years with FastAPI in production.
- Hands-on depth in Python, Pydantic, enough to defend a decision you made in each, and name the one you rejected.
- Working familiarity with APIs, Asyncio, Security.
- You can own a feature end to end — design, build, test, ship, and the bug report that arrives on Friday.
- The ability to explain a technical decision to somebody who did not make it. Every round here includes it.
ALSO EXPECTED
Not the focus of the interview, but part of the job. Teams ask about these, so be ready to talk about them:
- Git, branching and code review as a daily habit
- One cloud provider used in anger: AWS, Azure or GCP
- CI/CD: your work reaches an environment without somebody carrying it
- Docker, and a container platform in production: Kubernetes, ECS or equivalent
- SQL beyond CRUD: indexes, query plans, and why a join got slow
- A queue or stream (Kafka, SQS, RabbitMQ), and what you do when it backs up
- Logs, metrics and traces you actually read when something is on fire
HOW THE INTERVIEW GOES
Expect to be asked how you would approach a problem in each of the areas above, and why you would not take the obvious route. Then one level down on whichever answer was weakest.
What the interview covers
FastAPI, Python and Pydantic.
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