Karolis Stulgys
Software Engineer - RNHB Website Modernization
Vilnius, Vilnius County, Lithuania
Summary
👤
Senior🎓
Top SchoolKarolis Stulgys is a software engineer with 9 years of experience who specializes in rapid 0-to-1 product delivery, AI integrations, and Web3-enabled applications. He has a proven track record as a founding engineer at a fintech startup and now runs an independent consultancy building MVPs and prototypes for international clients using Claude, OpenAI, LangChain and modern JavaScript stacks. Recently he led a Next.js + Contentful modernization that improved Core Web Vitals and enabled non-technical content ownership, and has repeatedly delivered projects ahead of schedule. Karolis combines frontend expertise (React, TypeScript, Next.js) with backend and cloud skills (Node, PostgreSQL, SST/AWS) and practical blockchain experience, making him comfortable across the full stack. Unusually for a developer, his background in thermal and building engineering informs a systems-oriented, measurable approach to performance and scalability.
9 years of coding experience
6 years of employment as a software developer
Master's degree Thermal Engineering, Master's degree Thermal Engineering at VILNIUS TECH - Vilnius Gediminas Technical UniversityComputer Science, Computer Science at freeCodeCampMaster's degree Energy-efficient and Environmental Building Design, Master's degree Energy-efficient and Environmental Building Design at The Faculty of Engineering at Lund University
Russian, English, Lithuanian, Swedish
Stackoverflow
2,295reputation
333kreached
18answers
115questions
Github Skills (98)
ui-components10
css-in-js10
component-library10
uikit10
modular10
chakra10
ark-ui10
codesandbox10
rapid10
chakra-ui10
wai-aria10
react-applications10
preact10
react10
react-components9
Programming languages (4)
Github contributions (5)
kastproductions/mindes-pjovimai
Feb 2021 - Dec 2021
Contributions:5 PRs, 75 pushes, 5 branches in 10 months
kastproductions/art-website-with-cms
Mar 2023 - Feb 2024
Contributions:1836 PRs, 1081 pushes, 1849 branches in 11 months
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