Victor Grishchenko
Skills
Timeline
Professional experience for Victor Grishchenko
- 5 years and 7 months, Nov 2019 - May 2025
Team Leader
PlanetVPN
– introduced cross-review practices, TDD and tech documentation standards – designed an RESTful API-based CRM – built 5+ B2C and B2B products from MVP to high-traffic systems, scaling to 2000+ RPS and 10M+ users – migrated legacy Laravel & PHP to the latest versions; boosted performance by up to 30% – optimized SQL and caching; reduced traffic by 2 TB/month and infrastructure costs by 40% – refactored monoliths into modular services; enhancing scalability and accelerating product delivery speed by 2x
- 7 years and 10 months, Feb 2012 - Nov 2019
Full-Stack Developer
Coupon Aggregator
- designed a core CRM system and 10+ websites and white-label solutions - scaled infrastructure and improved SEO strategies to increase traffic; reached 3M+ monthly users - set up GitLab workflows, CI/CD, Docker, PSR standards; reduced production bugs by 3x - built scraping tools for 300+ websites and integrated 20+ affiliate network APIs - implemented Google AMP, chatbots, mobile apps; increased revenue by 20% - configured and maintained infrastructure with PHP, MySQL, Nginx, Cloudflare with 99.99% uptime
Languages
Russian
C2 (Expert / native speaker)
English
C1 (Fluent)
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