Oleg Tsvetkov

Software Engineer

📍 Moscow, Russia

September 2025 — Present

VK Ads DevExp Team Moscow, Russia

TeamCity Jenkins Consul Service Mesh Python Docker GitLab CI/CD

Migrated 100+ VK Ads microservices to Consul service mesh, improving service discovery, observability, and inter-service communication reliability
Designed and maintained metrics collection service with TeamCity REST API integration, enabling automated data import and analytics; implemented modular architecture supporting multiple data sources
Enhanced developer experience through modernization of release and test pipelines, implementing GitOps principles for cloud deployments

November 2024 — August 2025

VK Ads Moscow, Russia

Jenkins GitLab CI/CD Docker Python pytest

Engineered thread-level test isolation and multi-machine parallel execution framework, achieving 50% reduction in test failure rates
Led migration of multiple critical CI/CD pipelines from Jenkins to GitLab CI/CD, modernized legacy Jenkins jobs to declarative Pipelines
Optimized CI/CD pipelines by implementing stage separation (build & test), enabling parallel execution and reducing resource contention

May 2024 — October 2024

VK Ads Moscow, Russia

Python pytest Docker GitLab CI/CD ClickHouse

Optimized test execution workflows through parallelization, achieving 30% reduction in overall test runtime
Implemented Redash dashboard with ClickHouse backend for real-time test statistics and quality metrics
Developed robust Python integration tests for complex microservices ecosystem involving Kafka, MySQL, ClickHouse, and Milvus
Reduced Docker build times by 40% through migration from pip to uv for dependency resolution and multi-stage builds

2022 — Present

RTU MIREA — Institution of Information Technology

Moscow, Russia

Python Go SQL

Docker Podman Jenkins GitLab CI/CD TeamCity Kubernetes

Consul Service Mesh Nginx Kafka Linux

pytest Unit Testing Integration Testing E2E Testing

MySQL PostgreSQL ClickHouse Redis

Grafana Prometheus Redash

Effective Communication Deep Focus Problem-Solving Adaptability Time Management Attention to Detail

Coordinated with 50+ developers during infrastructure changes