Olli Vanhoja
Developer at Based.io
Rome, Lazio, Italy
Summary
🤩
Rockstar🎓
Top SchoolOlli Vanhoja is a seasoned developer with 14 years’ experience building reliable backend systems, currently based in Rome and working at Based.io and on the open-source real-time graph database Once.net. He has deep expertise in deployments, domains, DNS and certificate management from his time leading security and backend work at ZEIT (now Vercel), and has contributed backend fixes and domain/alias tooling to the high-profile vercel/vercel repository. His background spans low-level networking and routing at Ericsson to scaling proprietary calculation engines into elastic clusters using Java, JRuby, Scala, Clojure and Kubernetes. Olli combines systems-level thinking (embedded and protocol work from ABB and electronics studies) with practical security and automation experience, making him comfortable across C, TypeScript and cloud-native stacks. Notably, his work often touches certificate renewal, DNS verification and operational robustness—areas that quietly sustain many production services. He brings a collaborative open-source mindset alongside hands-on production engineering.
14 years of coding experience
8 years of employment as a software developer
Electronics and automation, Electronics and automation at Metropolia AmmattikorkeakouluBachelor of Science, Computer Science, Bachelor of Science, Computer Science at Helsingin yliopisto / University of Helsinki
Github Skills (8)
nodejs10
certificate10
javascript10
cert10
dns10
domain-name10
cli10
hosting9
Programming languages (16)
Github contributions (5)
vercel/vercel
Aug 2016 - Jul 2019
Develop. Preview. Ship.
Role in this project:
Backend Developer
Backend DeveloperContributions:99 commits, 61 PRs, 30 pushes in 2 years 11 months
Contributions summary:Olli primarily contributed to the backend aspects of the `vercel/vercel` repository, focusing on domain and alias management. Their work included implementing error handling for domain-related issues, integrating new configuration options, and improving the domain verification process. Key contributions involved fixing DNS verification issues and enhancing the certificate management system, specifically addressing certificate renewal and replacement procedures.
hostingshipcloudcommandjamstack
turist-cloud/fetch
Nov 2019 - Jul 2022
Opinionated `fetch` (with retrying and DNS caching) optimized for use inside microservices
Contributions:1 release, 69 commits, 38 PRs in 2 years 8 months
golangdnscachingdns-cachingoptimized
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