Andreas Thomas
Co-Founder CTO at Unkey
Nuremberg, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolAndreas Thomas is a pragmatic engineering leader and founder with nine years of experience building distributed systems, APIs, and full-stack products from prototype to production. As Co-Founder and CTO of Unkey and former Software Engineer at Upstash, he blends backend reliability—especially API management and rate-limiting integrations—with hands-on frontend and CI/CD work. He has a track record of founding and shipping startups focused on observability, latency monitoring, and portfolio analytics, often taking both product and technical lead roles. Active in open source, he has contributed meaningful fixes and new endpoints to projects like an API management platform and Upstash’s ratelimit-js, including batch metrics ingestion and edge function examples. Based in Nuremberg, Andreas pairs system-level thinking with pragmatic refactors that reduce complexity and improve operational efficiency.
10 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at University of Erlangen-Nuremberg
Stackoverflow
91reputation
2kreached
4answers
0questions
Github Skills (17)
javascript10
rate-limiting10
redis10
apidoc10
nextjs10
go10
api10
serverless10
error-handling10
typescript9
http9
typescript-types9
concurrency9
typescripts9
testing8
Programming languages (11)
Github contributions (5)
upstash/ratelimit-js
Apr 2022 - Jan 2023
Rate limiting library for serverless runtimes
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:32 releases, 6 reviews, 83 commits in 9 months
Contributions summary:Andreas contributed significantly to the codebase by implementing and testing features, with the changes encompassing both backend and frontend aspects. They were involved in developing core functionality and integrating with Upstash Redis. The user also added Next.js example code with associated styling and configuration, as well as edge functions utilizing Upstash Redis for rate limiting. Additionally, they updated the test suite and CI/CD configuration.
rate-limitingruntimesserverlessredisupstash
unkeyed/unkey
Jun 2023 - Jul 2026
The Developer Platform for Modern APIs
Role in this project:Back-end Developer
Back-end DeveloperContributions:118 releases, 1845 reviews, 2770 PRs in 3 years 1 month
Contributions summary:Andreas primarily focused on improving the agent's service functionality by addressing errors in handling request bodies and route definitions. They refactored the code for better efficiency. The contributions included implementing batch processing for metrics ingestion and adding a new endpoint with authentication for debugging purposes. They worked on the codebase by implementing a new set of features, refactoring existing, and also modifying existing functionalities.
authenticationauthorizationgatewayapiapi-keys
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