Aslak Hellesøy
CTO at Papyria
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolAslak Hellesøy is a hands-on software consultant and entrepreneur with 22 years' experience building and scaling small agile teams to deliver maintainable, test-first systems across finance, publishing, government and marketing. He founded and sold Cucumber Ltd, led the Cucumber open-source project at SmartBear, and has published technical books (25,000+ copies) and open-source tools adopted by hundreds of thousands of practitioners. Technically fluent across architecture, CI/CD, AWS/GCP and as a Cloudflare Certified Expert, he architects modular systems and distributed workflow orchestration (Temporal / Cloudflare Workflows) for business-critical processes. Since 2023 he’s been applying LLMs, Bayesian inference and multi-armed bandits to automation, personalization and real-time decisioning, and recently built an AI platform for an academic publisher with human-in-the-loop quality controls. An active contributor to projects like Cucumber, Selenium and Capybara, he combines deep coding craft—down to parsers and test automation—with product and technical leadership in small teams.
22 years of coding experience
22 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Institut national des Sciences appliquées de ToulouseExamen artium, Natural Sciences, Examen artium, Natural Sciences at Fagerborg VGS
French, English, Norwegian, Spanish, Swedish
Stackoverflow
1,191reputation
71kreached
34answers
1question
Github Skills (76)
lexer10
testing10
rspec10
http10
test-framework10
websocket10
acceptance-testing10
integrations10
ruby10
javas10
junit10
websockets-client10
client-websocket10
javascript10
bulma10
Programming languages (30)
Github contributions (5)
cucumber/cucumber-rails
Nov 2009 - Apr 2021
Rails Generators for Cucumber with special support for Capybara and DatabaseCleaner
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 360 commits, 3 PRs in 11 years 6 months
Contributions summary:Aslak's primary contribution involved refactoring and enhancing the codebase, particularly focusing on integration testing and overall project stability. Their work encompassed modifications to both the core rails features as well as the test environment. This included changes to the step definitions and javascript emulation features. These modifications likely contributed to improved test coverage and a more robust development process.
railsrubygeneratorscapybaracucumber
cucumber-attic/gherkin2
Sep 2009 - May 2016
A fast Gherkin parser in Ragel (The parser behind Cucumber)
Role in this project:Back-end Developer
Back-end DeveloperContributions:1036 commits, 8 PRs, 10 pushes in 6 years 9 months
Contributions summary:Aslak's commits focus on the implementation and refinement of the Gherkin parser library. They implemented features to support various aspects of Gherkin syntax, including doc strings, row parsing, and handling scenario outlines. The contributions also include bug fixes and performance improvements to the lexer and JSON formatter, aligning the library with the latest Gherkin language specifications.
gherkinbddcucumbergherkin-parserparser
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