Kai-markus Lehtimäki
Software Freelancing at Gnonce
Jyväskylä, Mainland Finland
Summary
👤
Senior🎓
Top SchoolKai-markus Lehtimäki is a solutions architect and entrepreneur blending hands-on software delivery with strategic technical leadership across embedded, IoT, cloud, and enterprise systems. As founder and CEO of Gnonce, he has built a 10+ person expert community and led software projects that generate over €1M in annual revenue, while also acting as a freelance consultant. His track record spans large-scale, mission-critical architectures for HSL and Waltti, designing API-driven integrations, Azure-based platforms, and cloud-native SDLC practices, underpinned by data integration and distributed systems. He combines deep cloud experience (AWS, Kubernetes, CI/CD, IaaC) with hardware-aware software design from his IoT and embedded work on the 5K platform. Based in Jyväskylä, Finland, he holds a Bachelor's in Information Systems and Economics from the University of Jyväskylä and leads a multi-disciplinary tech community.
9 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Information Systems, Economics, Bachelor's degree, Information Systems, Economics at University of Jyväskylä
English, Finnish
Github Skills (13)
gatsbyjs7
react5
expressjs5
styled-components5
typescript4
gatsby4
blockchain3
nodejs3
typeorm2
ethereum2
certificate2
ipfs2
smart-contracts2
Programming languages (2)
Github contributions (5)
gnonce/expressjs-starter-gnonce
Jan 2020 - Oct 2021
Node.js + Express.js + Typescript = 💖
Contributions:13 commits, 6 PRs, 9 pushes in 1 year 9 months
expressjstypeormnode-jsexpressexpress-js
q1kka/notarization-service
Jan 2019 - Oct 2023
This microservice is used to notarize text or files in distributed and immutable fashion using Ethereum smart contracts & IPFS. Software is used as part of tamper proof study certificate system.
Contributions:6 pushes in 4 years 9 months
ipfsethereumblockchainimmutablesmart-contracts
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