Eddie Keller is a founder and full-stack software engineer based in the Greater Tokyo Area with 10 years of experience and a strong preference for front-end development. He has driven product and platform work at scale, from launching SageMaker Studio and migrating consoles to serverless at AWS to senior engineering work at Snap. Eddie is an active open-source contributor to Amplify UI and amplify-js, where he implemented authentication UX like SMS MFA, TOTP, and improved validation and styling across React components. He combines hands-on UI craftsmanship with backend understanding, routinely shipping features that improve usability and performance. His background in mass communication and software engineering gives him a user-centered approach to building interfaces that scale. As a founder, he brings both product instincts and deep implementation experience to early-stage ventures.
10 years of coding experience
8 years of employment as a software developer
Bachelor of Arts (B.A.) Communication, Bachelor of Arts (B.A.) Communication at Biola University
Master's degree Mass Communication, Master's degree Mass Communication at Arizona State University
Computer Software Engineering, Computer Software Engineering at Hack Reactor
Amplify UI is a collection of accessible, themeable, performant React (and more!) components that can connect directly to the cloud.
Role in this project:
Front-end Developer
Contributions:88 reviews, 51 commits, 40 PRs in 4 months
Contributions summary:Eddie primarily contributed to the development of user interface components within the Amplify UI framework. Their commits focused on implementing features for user authentication, including SMS MFA and TOTP integration. These changes involved creating and modifying React components, updating test files, and integrating new examples within the Amplify UI ecosystem. They also worked on styling and design enhancements for various components, improving the user experience.
A declarative JavaScript library for application development using cloud services.
Role in this project:
Full-stack Developer
Contributions:23 reviews, 16 commits, 31 PRs in 5 months
Contributions summary:Eddie primarily contributed to the front-end components and UI of the Amplify UI components library. Their work included implementing new features like toast notifications for MFA selection and full-width sign-in buttons. They also addressed bugs in the UI components, particularly related to required field validation and phone number formatting, and they modified the `amplify-ui-components` for UI enhancement, as well as Auth module for new sign up configuration options.
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