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Vladimir Kolosov

@vladimirkolosov

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Senior Python developer at UMAX who shipped 100+ parsers and runs data collection services on Kubernetes.

Georgia

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What I'm looking for

I'm open to remote work and relocation.

At UMAX, I rewrote legacy PHP automation for complex parsing in Python and reverse-engineered mobile apps to extract API endpoints and parse data directly.

I improved external API integration success from about 60% to 85% with retries, caching, and error handling. I also deployed and maintained services across three production Kubernetes clusters, with 99.8% uptime.

At WINSPIN, I shipped seven microservices and more than 30 internal data collection and analysis tools. I redesigned statistical computation algorithms, reducing server load by 20–30% without changing the output.

Earlier, I developed parsers for tender platforms at AWINDEX.RU and asynchronous parsers at BETCODERS. I also authored nokk, an open-source stealth headless browser in Rust, published on npm and PyPI.

Experience

Work history, roles, and key accomplishments

Current

Senior Python Developer / Anti-Bot & DevOps Engineer

Current

UMAX

Sep 2024 - Present (2 years 1 month)

Rewrote legacy PHP automation in Python, reverse-engineered mobile apps, and improved API integration success rate from ~60% to ~85%. Deployed and maintained services on Kubernetes clusters, built CI/CD pipelines, and set up monitoring and logging.

Python PHP Kubernetes Helm Yandex Cloud GitLab CI CD Prometheus Grafana ELK Docker PostgreSQL Redis Mitmproxy Frida

Full Stack Python Developer

Winspin

Jan 2022 - Aug 2024 (2 years 7 months)

Shipped 7 microservices and 30+ internal tools/bots, set up GitLab CI/CD, containerized services, and redesigned statistical algorithms to cut server load by 20-30%.

Python fastAPI Flask NodeJS PostgreSQL Redis Celery RabbitMQ Docker Docker Compose GitLab CI CD Nginx Linux

Python Developer

Awindex.ru

Jul 2020 - Dec 2021 (1 year 5 months)

Developed and maintained 50+ parsers for government and commercial tender platforms, refactored the parser framework, and improved data accuracy from ~92% to ~98.5%.

Python Flask Selenium Playwright AIOHTTP Httpx MySQL MongoDB Linux Systemd Nginx

Python Developer

Betcoders

Jun 2018 - Jul 2020 (2 years 1 month)

Designed and maintained a system of 50+ asynchronous parsers with configurable triggers, keeping end-to-end latency at 0.5-2 seconds. Built 25+ automation scripts for analytical tasks.

Python AsyncIO AIOHTTP Selenium MongoDB Redis