Kostiantyn Denysov
Technical Lead at Deel
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolKostiantyn Denysov is a Technical Lead based in Berlin with 10 years of experience designing and delivering high-load, data-intensive backend systems. He specializes in databases and data pipelines, regularly optimizing SQL and crafting NoSQL solutions to improve performance and reliability. Proficient in Node.js and Golang, he builds scalable services and internal developer tools that boost delivery efficiency and release reliability. At Deel he leads release management and developer experience efforts, blending people, process, and operational improvements while managing cross-functional teams. His background spans startups to scale-ups, bringing a pragmatic focus on maintainability and knowledge sharing—he even ships developer-facing projects like sshare.dev. Formerly trained in finance and computer science, he combines analytical rigor with engineering craftsmanship and a collaborative, humour-forward leadership style.
10 years of coding experience
9 years of employment as a software developer
Master's degree, Finance, Master's degree, Finance at Kyiv National Economic UniversityIgor Sikorsky Kyiv Polytechnic Institute
Russian, Ukrainian, English, German
Github Skills (37)
boilerplate8
chalk8
ansi8
widgets7
console7
react-typescript7
webpack7
formatting7
eslint7
child-process7
react7
cli6
nodejs6
vue6
typescript6
Programming languages (3)
Github contributions (5)
denysovkos/denysov.me
Oct 2018 - Mar 2020
Contributions:5 PRs, 12 pushes, 6 branches in 1 year 5 months
join-com/roles-and-permissions
Feb 2024 - Feb 2024
Library wrapper on OpenFGA SDK
Contributions:27 reviews, 25 PRs, 31 pushes in 7 days
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