Preston Van Loon
Ethereum Core Developer at Offchain Labs
Nashville-Davidson, Tennessee, United States
Summary
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Rockstar🎓
Top SchoolPreston Van Loon is an Ethereum Core Developer with 11 years of engineering experience building high-impact, production-grade distributed systems and protocol software. As a co-founder and lead developer at Prysmatic Labs (now part of Offchain Labs), he helped scale Ethereum toward sharding and proof-of-stake and contributed significant infrastructure and CI improvements to the widely used Prysm client. His background spans backend and DevOps work at Google and multiple startups, specializing in serverless, AWS architectures, and resilient build pipelines. Based in Nashville, he combines deep protocol-level insight with pragmatic engineering—often tackling build, multi-architecture Docker distribution, and CI traceability problems that are easy to overlook but crucial for secure, reliable blockchain deployments.
11 years of coding experience
10 years of employment as a software developer
Computer Science, Computer Science at Middle Tennessee State University
Stackoverflow
1,060reputation
184kreached
32answers
1question
angularjs
top-5%
Github Skills (22)
docker10
dockers10
cicd10
go10
bazel10
cryptography9
blockchain9
angularjs9
automations8
automation8
ethereum8
performance-optimization8
software-quality7
data-storage7
html6
Programming languages (26)
Github contributions (5)
prysmaticlabs/prysm
Jan 2018 - Jan 2023
Go implementation of Ethereum proof of stake
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:135 releases, 2918 reviews, 1375 commits in 5 years
Contributions summary:Preston primarily focused on enhancing the infrastructure and build processes of the Ethereum proof of stake project. Their contributions included adding support for multi-architecture Docker images, integrating build metadata for better CI traceability, and fixing various issues related to image tagging and distribution. They also addressed code quality issues by fixing static analysis violations and ensuring efficient database operations for enhanced performance.
golangconsensusstakeethereumproof-of-stake
prestonvanloon/rules_go
Aug 2019 - Aug 2023
Go rules for Bazel
Contributions:20 pushes, 11 branches in 4 years
golangbazelstarlarkgorules
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