Kareem Moussa
Senior Software Engineer at Phantom
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolKareem Moussa is a seasoned software engineer with 11 years of experience building secure, high-throughput backend systems and infra for crypto and cloud platforms. Based in New York, he has driven critical work at Coinbase (cold storage, hot/cold signing gateways, and platform auth), led orchestration and signing engines at Superblocks, and built privacy-forward Phantom Auth systems including a Rust + TEE rewrite. He excels at productionizing complex security primitives—service-to-service key management, fine-grained policy engines, and high-traffic code-signing protocols—and recently moved into GPU infrastructure engineering. Colleagues rely on him to simplify human-in-the-loop workflows and harden systems against insider threats while enabling rapid iteration. His background includes internships at Apple and experience teaching and tutoring, reflecting a blend of practical engineering and a habit of making complex concepts accessible.
11 years of coding experience
7 years of employment as a software developer
Computer Science, Computer Science at De Anza CollegeUniversity of California, San Diego
Stackoverflow
49reputation
2kreached
0answers
4questions
Github Skills (142)
programming-language10
api-client10
interpreter10
assume-role10
jwt10
golang10
retrofit10
web-token10
go10
truffle10
go-client9
solidity9
sdk9
high-performance9
rosetta9
Programming languages (9)
Github contributions (5)
itstehkman/Intel_8080_emulator
Jun 2016 - Sep 2017
Contributions:19 commits, 6 pushes, 1 branch in 1 year 2 months
itstehkman/n64docker
Apr 2018 - Aug 2018
Contributions:24 commits, 17 pushes, 1 branch in 4 months
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