Jason Efstathiou
Core Team at Self-employed
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJason Efstathiou is a product-minded software engineer and designer with nine years of experience building customer-facing platforms and subscription experiences from Berlin. He progressed from UX design into product leadership at Grover—where he led a product vertical, launched a global GraphQL API, a subscription dashboard, POS rental platform and developer program—and now splits his time between freelance product engineering and core work at drips.network in the web3/FOSS funding space. Comfortable spanning design, product strategy and engineering, he has deep hands-on experience across billing, CRM, notification systems, auth/ID verification and design systems. Notable for turning complex cross-functional problems into shipping features, he thrives on projects that blend decentralized tooling with polished user experiences.
9 years of coding experience
6 years of employment as a software developer
Interaction & Digital Design, Interaction Design, Interaction & Digital Design, Interaction Design at BTK University of Art and Design
English, German, Greek
Github Skills (200)
python10
automation10
home-assistant10
streaming10
mqtt10
browser10
firefox10
stepper10
home-automation10
fonts10
opentype10
writable10
browser-extension10
opera10
garden10
Programming languages (16)
Github contributions (5)
rad-radio/rad-radio
May 2022 - Jun 2024
This is the website for RAD RADIO a collaboration between the decentralized streaming platform LivePeer, decentralized code collaboration stack Radicle, and Berlin video/radio broadcast series Hör.
Contributions:1 review, 3 PRs, 73 pushes in 2 years
efstajas/gql-iterate
Jan 2021 - Nov 2022
🔁📃🪐 A CL tool for running the same GQL query repeatedly with variable values from a CSV.
Contributions:2 releases, 9 commits, 2 PRs in 1 year 10 months
querycsvsqlutilitynodejs
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