Viljami Kuosmanen is a pragmatic engineering leader and founder with 12+ years of hands-on experience and 15+ years of industry exposure, currently serving as Head of Engineering in Tampere, Finland. He has grown and scaled SaaS teams from early stages to 40+ product engineers, architected the epilot.cloud XRM platform and led a serverless rewrite on AWS that enabled a sustained cadence of 150+ releases per week. A strong operator and product engineer, he has driven MRR growth north of 50% YoY and overseen marketplaces that generated €4M+ revenue as a co-founder. Viljami is an active open-source maintainer (openapi-client-axios, openapi-backend and others with tens of thousands weekly downloads) and has contributed backend API work to notable projects like Etherpad-lite. He blends strategic leadership with deep technical curiosity—shipping platform-scale systems while still coding and maintaining widely used developer libraries.
12 years of coding experience
14 years of employment as a software developer
Bachelor of Science (B.S.) Information Technology, Bachelor of Science (B.S.) Information Technology at Tampere University of Technology 1965-2018
Etherpad: A modern really-real-time collaborative document editor.
Role in this project:
Back-end Developer
Contributions:13 commits, 3 PRs, 42 comments in 7 months
Contributions summary:Viljami primarily contributed to the back-end functionality of the Etherpad-lite project, specifically focusing on API development. They upgraded the openapi-backend library and implemented a new API handler. The commits demonstrate the addition of response objects, JSONP support, and the handling of HTTP error codes. They also removed the swagger-node-express dependency.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Viljami Kuosmanen - Head Of Engineering at epilot GmbH