Job Details

Backend Developer Python Middle for VK company. Tasks include development and support of Python services for the VK Tickets product, designing integrations, working in a team with frontend developers, testing, and participating in code delivery.

Development and support of Python services for the VK Tickets product Design and development of a large number of integrations between VK ecosystem services and external partner systems Result-oriented work in a team with frontend developers, joint task decomposition for implementing user requirements Code coverage with tests, maintaining service quality and stability Participation in code delivery processes to users On-call duty for rapid incident response

Proficient Python: experience in developing production services with a large number of users, understanding concurrency/asynchronicity, careful error handling and retries REST API development experience: contracts, versioning, error handling, authorization PostgreSQL / SQL: Proficient SQL: complex queries, CTE / window functions, understanding transactions and locks Query optimization experience: EXPLAIN/ANALYZE, indexes, understanding the causes of performance degradation Kafka: Practical Kafka experience in integrations: consumer groups, partitioning/keys, delivery guarantees (at-least-once), idempotency, retries, monitoring lags/errors Testing: Habit of covering code with tests: unit + integration (including for DB/broker - where possible), understanding the testing pyramid