Jeff Zinger
Tech Lead at Thoughtworks
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJeff Zinger is a tech lead and engineering coach based in Barcelona who blends hands-on senior software engineering with people-first leadership at Thoughtworks, building cross-functional teams that ship quality through lean, value-driven delivery. With a background in mathematics and full‑stack JavaScript, he moves comfortably between product, design and architecture, driving fast feedback loops and pragmatic improvements to ways of working. He’s experienced in leading distributed teams and mentors through growth-based delegation, individual coaching and empathetic feedback to cultivate healthy engineering cultures. An active open-source contributor, Jeff has improved front-end UX and testing for the widely used Cloud Carbon Footprint project, showing a practical commitment to sustainability-aware tooling.
4 years of coding experience
8 years of employment as a software developer
Full Stack Javascript Web Development Web Page Digital/Multimedia and Information Resources Design, Full Stack Javascript Web Development Web Page Digital/Multimedia and Information Resources Design at IronhackBachelor of Science (BSc) Mathematics Statistics & Accounting, Bachelor of Science (BSc) Mathematics Statistics & Accounting at University of StrathclydeMearns Castle High School
Github Skills (10)
front-end-development10
react10
testing10
typescript-types9
typescript9
javascript9
typescripts9
footprint8
carbon-emissions8
sustainability7
Programming languages (1)
Github contributions (5)
cloud-carbon-footprint/cloud-carbon-footprint
Oct 2021 - Nov 2022
Cloud Carbon Footprint is a tool to estimate energy use (kilowatt-hours) and carbon emissions (metric tons CO2e) from public cloud usage
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 review, 10 commits, 2 PRs in 1 year 1 month
Contributions summary:Jeff primarily focused on improving the user interface and testing within the Cloud Carbon Footprint project. They addressed issues in the recommendations table, specifically related to displaying CO2 savings, including rounding and unit conversions. They also wrote tests for the CO2 savings calculations and made changes to test names and the logic behind displaying the savings. Furthermore, they implemented functionality allowing users to open and close a side panel with detailed recommendation information.
climatepythonfootprintcloudemissions
jeff-zinger/cloud-carbon-footprint
Nov 2021 - Nov 2022
Cloud Carbon Footprint is a tool to estimate energy use (kilowatt-hours) and carbon emissions (metric tons CO2e) from public cloud usage
Contributions:7 pushes in 1 year
pythoninfrastructurefootprintcloudemissions
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