The vacancy is well-structured but lacks compensation details, affecting overall quality.
no salary info
Job description
VK is looking for a Python Backend Developer to develop and support services for VK Tickets, design integrations, and ensure code quality.
Responsibilities
### Responsibilities
- Development and support of Python services for the VK Tickets product
- Design and development of numerous integrations between VK ecosystem services and external partner systems
- Work collaboratively with frontend developers to decompose tasks for user requirements implementation
- Code coverage with tests, maintaining service quality and stability
- Participate in code delivery processes to users
- On-call duties for quick incident response
Requirements
### Requirements
- Confident in Python: experience in developing production services with a large number of users, understanding of concurrency/asynchronicity, careful error handling and retries
- Experience in developing REST APIs: contracts, versioning, error handling, authorization
- Confident in SQL: complex queries, CTE/window functions, understanding of transactions and locks
- Experience in query optimization: EXPLAIN/ANALYZE, indexes, understanding performance degradation causes
- Practical experience with Kafka in integrations: consumer groups, partitioning/keys, delivery guarantees (at-least-once), idempotency, retries, monitoring lags/errors
- Habit of covering code with tests: unit + integration (including for DB/broker when possible), understanding of the testing pyramid
About VK
VK (formerly Mail.ru Group) is a Russian technology company that operates VKontakte, the largest European social network with over 100 million active users. The company provides a diverse ecosystem of services including social networking, email, e-commerce, cloud services, music streaming, video platforms, and business solutions.