Robb Walters
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolRobb Walters is a serial technical founder and staff scientist who blends deep applied-physics research with hands-on systems architecture across blockchain, privacy-preserving payments, and multi-agent AI. He founded ventures from nanophotonic diagnostics to LEGO-based educational drones and launched ScieNFT, the first blockchain-based preprint server, before building multi-agent orchestration tooling at Two AM Logic. At MobileCoin he led product and protocol work that integrated private payments into Signal and contributed backend fixes and tooling to the MobileCoin open-source ecosystem. A Caltech PhD with 10+ patents and an h-index of 11, he moves comfortably between publication-grade research and production engineering. Based in San Francisco, Robb focuses on agent-first developer systems and multi-agent reinforcement learning, bringing a practical inventor’s mindset to hard, cross-disciplinary problems.
11 years of coding experience
13 years of employment as a software developer
California Institute of TechnologyBachelor's degree Physics, Bachelor's degree Physics at Harvey Mudd College
Github Skills (7)
rust10
blockchain10
protobuffer9
protobuf9
testing8
grpc8
python7
Programming languages (13)
Github contributions (5)
mobilecoinfoundation/mobilecoin
Apr 2020 - Oct 2020
Private payments for mobile devices.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:89 reviews, 30 commits, 83 PRs in 5 months
Contributions summary:Robb primarily contributed to the `testnet-client` application, making changes to the prompt language and copy within the client. They also fixed spelling errors and improved comments within the mobilecoind API, specifically in the proto files. Furthermore, the user added timestamps to the balance check display and refactored and cleaned up consensus scp crate integration tests. They also made changes to prefer MOB units for the testnet client, enhanced block explorer improvements and updated the mobilecoin python package.
mobile
rjwalters/bucket-brigade
Nov 2025 - Jul 2026
Contributions:228 PRs, 333 pushes, 180 branches in 8 months
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