Senior Java Developer
Обязанности:
IT outsourcing and staff augmentation for Sberbank projects.
Project: Sber - Super-Tenera | Mar 2025 - Aug 2026
Real-time data transformation and synchronization platform for analytical data marts used by AI agents.
• Designed and delivered microservices end-to-end within a portfolio of 9 -12 services processing from hundreds to several million records per day.
• Reduced client-reported incidents and bug reports by taking ownership of legacy services and refactoring their architecture and codebase to improve fault tolerance.
• Reduced API latency by optimizing PostgreSQL: partitioned tables with tens of millions of rows, added indexes, and moved selected business logic into SQL queries.
• Proposed and implemented the migration of two services from REST to Kafka-based communication, reducing service coupling and increasing throughput.
• Built an internal shared library for reusable Kafka producer and consumer configuration, database connectivity, and logging, accelerating new microservice delivery across the team.
• Designed service integrations with analysts in a cross-functional product team of a tech lead, 3 developers, and 3 analysts.
Project: SberTech - Platform V Configuration | Sep 2023 - Feb 2025
Configuration storage and management for Platform V subsystems and applications built on the platform.
• Delivered YAML configuration-file processing for a major Platform V release, from requirements analysis through implementation, testing, and production handover.
• Migrated two modules from Kotlin to Java within a hexagonal architecture, standardizing the stack for a distributed cross-functional team of 20+ backend, frontend, and QA specialists and simplifying onboarding.
• Refactored an inconsistent legacy codebase into a consistent architecture and coding standard, reducing the time needed to add new features.
• Maintained production stability for a system in active use at a major bank through code review, JUnit 5 and Mockito unit testing, and defect fixes.
