Kostiantyn Smirnov
Full Stack Engineer at 4IRE
Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKostiantyn Smirnov is a Full Stack Engineer with 11 years of experience building secure, high-performance applications across retail, healthcare, document management, and blockchain domains. He designs scalable end-to-end architectures using modern JavaScript frameworks (NestJS, Next.js, Angular) and leads teams to deliver data-intensive, user-centric solutions. At 4IRE he has driven blockchain technical direction for crypto banking, NFT marketplaces and carbon credit systems, blending Ethereum and Hyperledger to solve integrity and trust challenges. His background in embedding analytics—using Tableau and custom JS visualizations—helps turn complex datasets into actionable in-app insights. Kostiantyn also specializes in modernizing legacy systems, improving performance and maintainability while mentoring engineers and supporting presales efforts. Based in Lower Silesia, Poland, he combines technical rigor with a product-focused mindset and a proven track record of shipping impactful features end-to-end.
10 years of coding experience
7 years of employment as a software developer
НТУ "ХПИ"Национальный технический университет "Харьковский политехнический институт"
Русский, Украинский, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
twilio-video7
twilio6
communications4
plastic2
bag1
npm-package1
npm1
nodejs1
Programming languages (2)
Github contributions (5)
Kostyanuch/blog
May 2016 - Jul 2016
Contributions:2 pushes, 1 branch in 2 months
nowinfinity/transactions_panel
Nov 2016 - Dec 2016
Contributions:6 pushes, 1 branch in 27 days
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.