Dmytro Klymenko
Lead Full-stack Engineer at Kitrum
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolDmytro Klymenko is a Lead Full-stack Engineer with 13 years building TypeScript-first web and mobile platforms, currently leading full-stack projects using Node.js, React/React Native and cloud stacks (GCP, AWS, Vercel, Supabase). He combines hands-on engineering with technical leadership—reworking client apps, designing role-based auth, CI/CD and AR/3D previews—and has been principal architect for startups, owning cloud, security and testing strategy. A prolific open-source maintainer, his annexare/Countries package has around 1k GitHub stars and ~600k monthly npm downloads, reflecting deep expertise in data modeling and schema design. Comfortable across databases (Postgres with Drizzle/Prisma, evaluation of MongoDB/Meilisearch) and GraphQL APIs, he also serves as a security officer and mentor. Based in Kyiv, he pairs rigorous engineering with creative interests—he’s a professional musician and avid traveler—bringing pragmatic, user-focused solutions to complex problems.
13 years of coding experience
19 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Russian, English, Ukrainian, German
Stackoverflow
61reputation
3kreached
2answers
1question
Github Skills (17)
data-modeling10
sql10
database-design10
mysql9
data-management9
sql-generation9
csv8
co8
country-codes8
html6
localization6
meta-tags6
facebook-graph-api6
facebook6
rss6
Programming languages (13)
Github contributions (5)
annexare/Countries
Jul 2014 - Oct 2022
Countries, Languages & Continents data (capital and currency, native name, calling codes).
Role in this project:
Database Engineer / Database Administrator
Database Engineer / Database AdministratorContributions:35 releases, 3 reviews, 113 commits in 8 years 5 months
Contributions summary:Dmytro's commits primarily involve creating and modifying SQL database schemas for storing country, language, and continent data. The changes include creating tables, defining data types, and inserting initial data, reflecting a focus on database design and data population. The revisions involve updates to currency formats and data corrections, demonstrating an understanding of data integrity and schema maintenance. The user also made modifications to the build process related to SQL generation, showcasing their involvement in the data management pipeline.
csvcallingcurrenciesiso639data
annexare/toURI
Aug 2014 - Jan 2016
Contributions:19 commits, 5 pushes, 1 comment in 1 year 4 months
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