Senior Software Engineer (Platform)

5+ years of professional software engineering experience Track record shipping and operating production systems end-to-end Strong production experience with TypeScript (required) Demonstrably effective with modern AI dev tools — you can point to work you shipped faster or better because of them Familiar with Firebase, Cloud Run, BigQuery Strong testing discipline and domain-driven design — integration vs unit, testability-first thinking Excellent written English — able to raise issues, align, and disagree in writing Build and operate systems on Firebase, Cloud Run, BigQuery, and our integrations layer Own meaningful surface area: design, implement, test, deploy, operate Use AI development tools well, and help raise the team's effective ceiling with them Review code, mentor mid-level engineers, raise the bar Partner with product to find simpler solutions before building Write clear RFCs and PRs that move decisions forward