Kostas Stamatoukos is a seasoned engineering leader with a decade of experience building consumer-facing fintech products at Wise, now serving as Director of Engineering for the Wise Platform. He has progressed through roles owning multi-currency accounts, cross-border receive flows, and customer journeys, blending hands-on product engineering with team-building and operational leadership. Comfortable across backend and frontend concerns, Kostas brings a pragmatic, craftsmanship mindset—driving quality through TDD, pairing and strong delivery practices honed earlier at eBay. He also contributes to embedded and IoT projects in his spare time, improving microcontroller-driven espresso machine controls and integrating web interfaces with MCUs. Based in London with academic roots in electrical and computer engineering, he pairs systems-level technical depth with a track record of shipping product impact at scale. Colleagues describe him as a builder who moves fluidly between code, architecture, and people leadership to turn complex financial workflows into reliable customer experiences.
10 years of coding experience
9 years of employment as a software developer
Master of Engineering (M.Eng.) Electrical Network and Computer Engineering, Master of Engineering (M.Eng.) Electrical Network and Computer Engineering at National Technical University of Athens
A Gaggia Classic control project using microcontrollers.
Role in this project:
Embedded Systems Engineer / IoT Developer
Contributions:26 reviews, 116 commits, 66 PRs in 8 months
Contributions summary:Kostas focused on enhancing the Gaggia Classic control project by making several iterative improvements to the espresso machine control code, primarily within the `gaggiuino.ino` file. Their commits streamlined pressure profiling logic, improved brewing timer handling, and addressed various warnings. The contributions involved modifications to pressure sensor, pump, and temperature sensor logic, including flow calculations, and integrating the web interface with the MCU.
Contributions:45 commits, 90 PRs, 144 pushes in 1 month
apiexpressbackendnodejsbackend-service
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