Paul Liu is a Senior Software Engineer with 17 years of experience who transitioned from electrical engineering to build resilient, scalable backend systems for companies like Tesla and Nordstrom. He specializes in distributed systems, event-driven architectures, and CI/CD across cloud platforms (AWS, Kubernetes, Terraform) while applying test-driven and agile practices. Notably, he has contributed to the Internet Computer blockchain implementing threshold ECDSA support—bringing cryptographic rigor and secure signature handling into production block creation. Paul is pragmatic about abstraction (as his GitHub motto proclaims) and routinely reduces operational friction with telemetry, automated retry logic, and sharable libraries. A lifelong learner and collaborative problem-solver, he pairs hands-on system design with a knack for automating tedious workflows—a skill rooted in his early electrical-engineering work that once cut drafting time from an hour to under a minute. Located in Seattle, he seeks ownership of core components that solve real-world problems.
17 years of coding experience
6 years of employment as a software developer
Bachelor of Applied Science (B.A.Sc.), Electrical engineer, Bachelor of Applied Science (B.A.Sc.), Electrical engineer at University of Calgary
Internet Computer blockchain source: the client/replica software run by nodes
Role in this project:
Back-end Developer
Contributions:275 reviews, 115 commits, 120 PRs in 1 year 1 month
Contributions summary:Paul primarily contributed to the implementation of ECDSA-related functionalities within the Internet Computer blockchain. Their work involved integrating ECDSA payload building into the block-making process and adding support for various operations. The user's contributions included adding new dependencies for crypto operations and implementing the core components necessary for handling threshold ECDSA signatures, including transcript management and signature verification. Further work was done to ensure the correct handling of signature requests, ensuring code was secure and robust.
Example applications, microservices, and code samples for the Internet Computer
Role in this project:
Back-end Developer & Test Automation Engineer
Contributions:3 reviews, 24 commits, 4 PRs in 17 days
Contributions summary:Paul primarily contributed to the testing and development of examples for the Internet Computer (IC) platform. Their work involved creating and modifying shell scripts and Motoko and Rust code to test the functionality of threshold ECDSA examples. They implemented and debugged test scripts to verify public key retrieval, signature generation, and signature verification using Node.js and the secp256k1 library. The commits also included fixes to the test scripts.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.