Piet Kormelink
Technical Lead at Mindler
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolPiet Kormelink is a seasoned Technical Lead and senior full-stack engineer with 11+ years in modern mobile and web ecosystems, currently shaping the Mindler app and its technical roadmap from Stockholm. He specializes in React Native, TypeScript and GraphQL, and has a strong track record bringing component-driven, test-first practices (Storybook, TDD) and CI/CD into teams and products across fintech, healthcare and SaaS. Piet blends hands-on development with architecture and coaching—having introduced GraphQL and Storybook at enterprise scale, mentored junior leads, and led migrations from legacy to modern stacks. His background spans founding product-focused teams and CTO duties to deep technical roles early in his career, giving him a rare perspective on product, ops and developer experience. He’s curious by nature, often researching security, DLT and Rust, and known for turning complex legacy landscapes into pragmatic, maintainable platforms. Pragmatic, collaborative and detail-oriented, Piet excels at shipping reliable user-facing apps while evolving engineering culture.
12 years of coding experience
39 years of employment as a software developer
Software architecture and development, Software architecture and development at The internetMTS Electronics, Building Computers (electronics, Software), MTS Electronics, Building Computers (electronics, Software) at High School, MTSing, Computer Technology, ing, Computer Technology at Saxion HogescholenManagement, Management at Van Stiphout Training
English, German, Dutch
Github Skills (164)
atom-editor10
test-coverage10
odata10
integrate10
wallabyjs10
vscode-extension10
android10
wallaby10
mobile10
ios10
react-native10
soap10
react10
continuous-testing9
javascript9
Programming languages (10)
Github contributions (5)
pietgk/vivief
Dec 2025 - Jun 2026
Contributions:46 PRs, 202 pushes, 109 branches in 5 months
mindlercare/opentok-react-native-samples
Oct 2022 - Feb 2025
Sample applications using OpenTok and React Native
Contributions:1 PR, 4 pushes in 2 years 3 months
reactopentokreact-nativewebrtcandroid
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