Organized a significant tech debt reduction initiative across all microservices, resulting in over 90% fewer logged errors, decreased incident detection time, and automatic deployment rollbacks upon error detection

Spearheaded the complete rewrite of Affirm's mobile codebase, establishing best practices for state management, data fetching, and other coding patterns. Created code generation scripts based on these best practices, significantly reducing development time for new features

Helped coordinate the international launch of Affirm in Australia and Canada, defining project architecture, technical specifications, and task breakdown, while guiding engineers across multiple teams

Hosted public webinars and private workshops on various tech topics, including functional programming and React best practices

Wrote a system with Node.js, Postgres, and Redis to analyze changes to test results over time allowing customers to easily visualize test modifications and gain insight into historical test suite analytics (flaky rate/failure rate/performance)

Led initiatives to migrate away from legacy REST APIs to more performant, developer-friendly GraphQL APIs

Rewrote Webpack configuration to improve bundle splitting and caching and built internal scripts to assist daily developer tasks