Serhii Falinskyi
Senior Software Engineer at Upwork/oDesk
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolSerhii Falinskyi is a Senior Software Engineer based in Berlin with 14 years of hands-on experience building full-stack web applications and APIs. He has driven backend and frontend development across React, Node, Symfony and GraphQL stacks, and has repeatedly led efforts to decouple legacy systems, improve test coverage, and ship production-ready mobile and web features. At Cosuno he progressed from full‑stack engineer to senior engineer, and earlier played a lead role splitting a monolith into a dedicated API and SPA while working with distributed teams. His background includes long-term freelance work on diverse projects, giving him practical breadth across PHP, Python, TypeScript and DevOps workflows. Notably, he has helped deliver seven B2B mobile apps and improved maintainability of complex codebases, combining pragmatic engineering with architectural thinking. With a master's in system software and applied mathematics foundations, he blends rigorous problem-solving with product-focused execution.
15 years of coding experience
9 years of employment as a software developer
Applied Mathematics, Applied Mathematics at Dnipropetrovs'kij Nacional'nij UniversitetMaster's degree, System software, Master's degree, System software at National Mining University, Dnipropetrovsk
Russian, Ukrainian, English
Stackoverflow
7,307reputation
760kreached
220answers
12questions
typescript
top-5%
react-router-dom
top-5%
javascript
top-5%
Github Skills (124)
zero-configuration10
api-platform10
global-state10
github10
text-to-speech10
material-ui10
docker-container10
speech10
javascript10
movie10
react-component10
aac10
js10
react-virtualized10
developer-tools10
Programming languages (11)
Github contributions (5)
falinsky/cboard
Aug 2017 - Oct 2020
AAC communication board with text-to-speech for the browser
Contributions:2 PRs, 6 pushes, 5 branches in 3 years 2 months
text-to-speech
falinsky/docker-ubuntu-apache-php-symfony
Dec 2015 - Jul 2017
Contributions:2 PRs, 9 pushes, 3 branches in 1 year 6 months
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.