Billy Kosuke Martyn is a Principal Engineer at Roku, specializing in Developer Tools. He has a strong background in full-stack development with a focus on TypeScript, Node.js, React, and GraphQL, often leveraging AWS cloud services. Billy is passionate about enhancing developer experience, building scalable and maintainable systems, and leading engineering teams to deliver high-quality software. His work frequently involves CI/CD, infrastructure as code, and developing tools that improve engineering productivity and efficiency. He actively shares his knowledge through technical articles and open-source contributions.
Billy Kosuke Martyn's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Leads and contributes to the design and implementation of critical developer tools and infrastructure, improving the development lifecycle for hundreds of engineers at Roku. Focuses on areas like build systems, CI/CD pipelines, and internal developer platforms.
Regularly publishes technical articles on platforms like Medium and his personal blog, sharing insights on TypeScript, Node.js, software architecture, and developer productivity. Contributes to the developer community by sharing knowledge and best practices.
Champions initiatives aimed at improving the overall experience for developers, including streamlining workflows, enhancing tooling, and fostering a culture of engineering excellence.
Contributes to various open-source projects and maintains personal projects on GitHub, demonstrating a commitment to the broader software development community.
University of Virginia - Year 2004
Kyoto University - Year 2006
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Coursebase, Inc. provides an innovative learning experience platform (LXP) designed to help organizations onboard, train, and develop their employees. Their platform focuses on delivering personalized learning paths, integrating with existing enterprise tools, and providing robust analytics to track learning effectiveness and skill development. From an end-user perspective, Coursebase aims to make corporate learning more engaging, accessible, and impactful, enabling employees to acquire new skills and knowledge efficiently to enhance their performance and career growth within the company.
Get verified emails, phone numbers, and LinkedIn profile details
Discover contacts with similar roles, seniority, or companies
Uncover insights like skills, work history, social links, and more
Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.
Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.
Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.
Thousands of companies, including, are just a search away.