Backend Developer Python
6.0/10
VK
Not specified
Remote
mid
4 days ago
devtechPythonREST APIPostgreSQLSQLKafkaunit testingintegration testing
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Description
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
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