Sergey Koshkarev
Sole Proprietor at Sergey Koshkarev
Budapest, Hungary
Summary
👤
Senior🎓
Top SchoolSergey Koshkarev is an experienced full‑stack web developer and entrepreneur with 11+ years delivering custom web platforms, APIs, and performance-tuned backend systems primarily using PHP/CodeIgniter, MySQL/MongoDB, Node.js, Nginx/Apache. As a founder/CTO and long-term sole proprietor, he has built production systems for energy trading analytics, ticketing and marketing platforms, e-commerce integrations, and SMS/VoIP services, often owning both architecture and deployment. He combines pragmatic server-side engineering with hands-on ops work and third‑party integrations (ENTSOE, EEX, Shopify, Twilio, Xero), enabling data-driven products used by traders and enterprises. Based in Budapest, Sergey brings startup grit and product focus—he’s also a three-time regional chess champion from childhood, a hint at his analytical instincts and competitive drive.
11 years of coding experience
12 years of employment as a software developer
Tyukalinsk High School # 2Master's degree, Computer Science, Master's degree, Computer Science at Omsk State Pedagogical University (OSPU)
English, Russian, Hungarian, German
Stackoverflow
194reputation
56kreached
3answers
0questions
Github Skills (14)
javascript6
php6
jquery6
mysql6
basecamp3
python3
codeigniter2
api2
json-api2
api-documentation2
orm1
postgresql1
sql1
database1
Programming languages (1)
Github contributions (5)
skoshkarev/promsvyasbank
Jun 2019 - Mar 2020
Contributions:2 commits, 2 pushes in 9 months
skoshkarev/central_bank_of_russian_federation
Mar 2015 - Mar 2015
Contributions:6 commits, 4 pushes in 1 day
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.