Zach Howard
Staff Software Engineer at OP Labs
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolZach Howard is a Staff Software Engineer with nine years of experience building infrastructure and developer tooling, currently focused on scaling Ethereum infrastructure at OP Labs after leading platform and developer productivity efforts at Instacart. He combines hands-on DevOps and backend expertise—authoring CI/CD pipelines, Docker images, and release automation—with systems-level changes like integrating op-signer clients and adding runtime configurability to services. Zach has led engineering teams through rapid growth, helping build and scale a white-label ecommerce platform that contributed to an acquisition, and he thrives at the intersection of operational reliability and developer experience. Based in New York, he brings practical production instincts and a track record of contributing to notable open-source projects like Optimism that bridge blockchain research and real-world deployments.
9 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (BEng), Software Engineering, Bachelor of Engineering (BEng), Software Engineering at McMaster University
Github Skills (13)
bash10
docker10
go10
rollupjs10
opt10
devops10
ethereum10
dockers10
optim10
cicd10
scaling9
scale9
autoscaling9
Programming languages (5)
Github contributions (5)
ethereum-optimism/optimism
Oct 2022 - Jan 2023
Optimism is Ethereum, scaled.
Role in this project:
DevOps Engineer & Backend Developer
DevOps Engineer & Backend DeveloperContributions:232 reviews, 47 commits, 137 PRs in 3 months
Contributions summary:Zach's contributions primarily involve configuring and maintaining the CI/CD pipeline, including the creation of Docker images and release tagging for various Optimism components. They've added support for new services like the fault detector and ufm-metamask, expanding the scope of the automated build and deployment processes. Additionally, the user has made backend-focused changes, such as adding log level configuration to the proxyd service, demonstrating familiarity with the project's operational aspects and internal architecture. Furthermore, they are responsible for integrating op-signer client with op-batcher and op-proposer.
ethereumovmrollupl2-scaling
ethereum-optimism/devnets
Jan 2025 - Jun 2026
Contributions:13 reviews, 105 PRs, 120 pushes in 1 year 5 months
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