Dan Sipple is a New York–based software leader and cofounder with a decade of experience building product-first engineering teams and platforms. At Etsy he progressed from senior engineer to senior engineering manager, led Ad Platform and Seller Ad Experience squads, launched Offsite Ads infrastructure, introduced the company’s first gRPC use case, and helped roll out Apache Pinot for real-time ad stats while serving as the primary ad-revenue contact for audits. He blends hands-on front-end craftsmanship—contributing homepage and responsive redesigns to high-profile projects like the Envoy Proxy and Emissary Ingress sites—with full-stack startup experience delivering 0→1 products, React Native apps, analytics dashboards and developer tooling. An operator who hires, mentors and promotes engineers, he pairs analytics-driven decision making with a strong eye for design and developer experience.
11 years of coding experience
9 years of employment as a software developer
Bachelor of Arts (B.A.), Economics, Computer Science, Bachelor of Arts (B.A.), Economics, Computer Science at Boston College
Contributions:27 commits, 23 PRs, 8 pushes in 1 year 7 months
Contributions summary:Dan primarily focused on building and maintaining the front-end aspects of the Envoy website. Their contributions included creating the initial website structure with HTML, adding a blog feature with layouts and content, and updating the website's header, footer, and inner page logo. These changes included adding a new banner, adjusting layout elements, and modifying the website's design to incorporate new features like the blog. The user also added and organized images, improving the overall visual design.
open source Kubernetes-native API gateway for microservices built on the Envoy Proxy
Role in this project:
Front-end Developer
Contributions:108 commits, 30 PRs, 1 push in 2 years 3 months
Contributions summary:Dan primarily focused on front-end development, specifically redesigning the homepage. Their commits show changes to `index.html` and the accompanying CSS file (`home.css`), indicating a focus on the visual presentation and layout of the homepage. These changes included modifications to the navigation, hero section, and the addition of a quote section and a mailing list signup. The user also made responsive design adjustments.
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