Anssi Kinnunen
Freelance Software Engineer at Green Herring Labs
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolAnssi Kinnunen is a Helsinki-based freelance full-stack engineer with 11 years of experience building scalable web applications, ERP systems, and large-scale advertising products. He blends hands-on TypeScript/React front-end work with robust backend and DevOps expertise—automating CI/CD pipelines and cloud infrastructure primarily on AWS. As a former CTO and team lead, he’s comfortable translating product needs into architectures and leading cross-functional teams while still shipping code. Notably, he has experience building an ERP from scratch for the real estate sector and has repeatedly delivered automated deployment and testing platforms for complex, multinational projects. His background spans Java, Node.js, Ruby on Rails and modern monorepo tooling, reflecting a pragmatic focus on reliable, maintainable systems.
11 years of coding experience
12 years of employment as a software developer
Pietarsaaren lukioBachelor of Engineering, Media Technology, Bachelor of Engineering, Media Technology at HAMK Häme University of Applied Sciences
Finnish, English, Swedish
Github Skills (43)
starcraft10
datasets10
clojure10
access-management10
rights10
clojurescript10
api-client9
typescript9
material-ui9
client-library9
api9
react9
cli8
angular8
material-design8
Programming languages (4)
Github contributions (5)
aatkin/blog
Apr 2017 - Feb 2019
Contributions:39 pushes, 3 branches in 1 year 11 months
aatkin/skriptit
Oct 2022 - Jan 2025
Contributions:24 pushes in 2 years 3 months
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