Backend Developer

Описание The project is in the banking sector and involves developing and maintaining modern backend and integration solutions. It includes designing and building APIs consumed by external systems and teams.

Задачи • Create high-quality code • Design technical solutions • Design REST APIs from scratch and deploy them to production for external systems or teams • Build and maintain REST APIs in production • Create and maintain OpenAPI specifications as contracts • Integrate with existing systems, including working with legacy database schemas • Optimize SQL queries and diagnose performance issues • Run unit, integration, and contract tests using pytest • Create technical documentation • Conduct technical alignment with recipient teams • Collaborate with analysts and architects

Требования • At least 3 years of commercial Python programming experience • Proficiency with FastAPI or Django REST Framework and its ecosystem, including Pydantic, SQLAlchemy, or Django ORM • Proven experience designing an API from scratch and deploying at least one API consumed by external systems or teams to production • Practical knowledge of REST API design, including resource modeling, HTTP method semantics, response codes, versioning, and idempotency • Experience creating OpenAPI specifications as contracts, not as documentation generated after the fact • Knowledge of machine authentication: OAuth 2.0 client credentials, JWT, and API keys with rotation • Good SQL and relational database skills,…