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Collin Brennan
Entry Software Engineer specializing in full-stack web development and AI search
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About
Frontend-leaning full-stack product engineer who recently migrated their team's frontend to TypeScript and built a cross-system Mentions feature integrating Gmail and other external apps. Strong on practical React architecture, performance debugging, and shipping fast with thoughtful tradeoffs around caching, API limits, and real-time UX.
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Key Strengths
- React UI architecture and render optimization
- Identified and fixed duplicate modal rendering via context hoisting
- Uses React DevTools to diagnose rendering issues
- Introduced TypeScript to an existing frontend codebase
- Combines TypeScript with Zod for runtime API validation
- Built end-to-end integrations using Gmail API, frontend, backend, and data caching
- Designed scalable caching strategy with TanStack Query and Redis
- Pragmatic 0→1 product decision-making in a high-growth environment
- Balanced speed, API limits, and UX in real-time notification feature design
- Handled messy unstructured email parsing with app-specific and fallback regex strategies
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