Timothy Grijalva is a versatile engineer with 17 years of experience building across embedded firmware, hardware bring-up, and cross-platform applications in C, Go, and Python. Based in San Francisco, he has shipped remote health sensing devices using mmWave radar and managed IoT fleets in the cloud with Docker. His background spans firmware QA at Apple, system design at Q Bio and Blumio, and hands-on internships in hardware and software, giving him a rare full-stack perspective from silicon to cloud. Timothy is also an early contributor to the widely referenced jwt-go Go library, adding core parsing and signature support that helped shape its security primitives. He thrives on projects that transcend traditional boundaries, combining low-level embedded work with scalable backend and tooling solutions. Collected training in electrical engineering and physics informs his pragmatic approach to tightly coupled hardware-software problems.
17 years of coding experience
7 years of employment as a software developer
Physics / Electrical Engineering, Physics / Electrical Engineering at Arizona State University
B.S., Electrical Engineering, B.S., Electrical Engineering at Cal Poly San Luis Obispo
ARCHIVE - Golang implementation of JSON Web Tokens (JWT). This project is now maintained at:
Role in this project:
Back-end Developer
Contributions:305 commits, 88 PRs, 168 pushes in 9 years 5 months
Contributions summary:Timothy primarily contributed to the development of the core functionalities of the jwt-go library. They were involved in the initial implementation of token parsing, header and claim parsing, and signature verification. The user added features like checking expiry times and integrating the "none" signing method. They also worked on improving the base64 decoding functions and added signing support to the RSA and HMAC methods.
Contributions:165 commits, 2 pushes in 3 years 5 months
golangserver-frameworkmodularserverhttp-server
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