Sampo Juustila is a Green Software Architect and partner with 17 years of full-stack development and architecture experience, currently leading sustainable software initiatives from Vantaa, Finland. He combines a deep engineering background—from mobile health platforms and identity services at Nokia to startup CTO responsibilities—with a strong focus on clean design, test automation and continuous integration. Comfortable in multicultural teams and leadership roles, he has guided product development end-to-end and scaled engineering practices in both startups and larger organisations. An active contributor to test automation tooling, his enhancements to the calabash-android project improved WebView interaction and error diagnostics, reflecting his attention to robust, observable systems. Trained as a physicist/mathematician (M.Sc.), he applies analytical problem-solving and quick learning to complex technical and architectural challenges. Colleagues describe him as a pragmatic engineer who pairs software craftsmanship with sustainability-minded architecture.
16 years of coding experience
13 years of employment as a software developer
M.Sc., Physics, Mathematics, M.Sc., Physics, Mathematics at Teknillinen korkeakoulu-Tekniska högskolan
Automated Functional testing for Android using cucumber
Role in this project:
Test Automation Engineer
Contributions:8 commits in 1 month
Contributions summary:Sampo focused on enhancing the automated functional testing capabilities of the Calabash-Android framework. They added new actions for interacting with WebViews, including executing JavaScript, retrieving URLs, and getting load progress. Furthermore, the user improved error handling by including stack traces in error messages and addressing exceptions within the JavaScript execution. These changes contribute to more robust and informative test results.
Contributions:9 PRs, 51 pushes, 10 branches in 5 years 10 months
backendpythonpython3gevent
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