Aki Helin
CTO at Semantti
Oulu, North Ostrobothnia, Finland
Summary
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RockstarAki Helin is a seasoned technology leader and current CTO based in Oulu, Finland, with 15 years of software engineering experience. He combines hands-on backend development expertise with strategic product leadership, recently taking the helm at Semantti. An active open-source contributor, Aki has worked on core functionality for the well-regarded radamsa general-purpose fuzzer—adding mutators, debugging complex behaviors, and hardening write-error handling. His background shows a practical focus on robustness and tooling that improve software reliability, alongside an ability to translate low-level engineering improvements into broader product value. Colleagues describe him as a pragmatic builder who enjoys tackling tricky edge cases that others overlook.
15 years of coding experience
Github Skills (4)
develop10
fuzzing10
modification9
codemod9
Programming languages (5)
Github contributions (5)
aoh/radamsa
Aug 2011 - Aug 2018
a general-purpose fuzzer
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 353 commits, 22 PRs in 7 years 1 month
Contributions summary:Aki primarily worked on the core functionality of the fuzzer, implementing new features and debugging existing ones. Their work involved modifying the source code of the fuzzer, including adding new mutators and refining existing ones. The contributions demonstrate proficiency in the underlying code and the fuzzer's architecture. They also improved robustness by handling and preventing write errors.
securityfuzzingpurposefuzzergeneral-purpose
aoh/myy
Oct 2016 - Dec 2017
Contributions:104 commits, 97 pushes, 1 branch in 1 year 3 months
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