Kevin Rivera

Built a blockchain validator monitoring dashboard using React, Next.js, and FastAPI, enabling real-time insights across 10,000+ nodes, reducing support escalations by 41%. Refactored validator service architecture using Node.js, FastAPI, gRPC, and Kafka, which increased processing throughput by 4.2x and improved event delivery latency by 37%.

Led frontend migration to Next.js 13 with the App Router and React Server Components, decreasing page load time by 39% and increasing SEO score from 67→95. Rebuilt lending backend logic using Prisma, FastAPI, and PostgreSQL, reducing average underwriting latency by 32% while improving error observability via Sentry.

Led frontend migration to Next.js 13 with the App Router and React Server Components, decreasing page load time by 39% and increasing SEO score from 67→95. Rebuilt lending backend logic using Prisma, FastAPI, and PostgreSQL, reducing average underwriting latency by 32% while improving error observability via Sentry.

Led frontend overhaul of Brex Empower using React, Next.js, Redux, and TypeScript, increasing dashboard engagement by 23% and cutting support tickets by 31%. Refactored component architecture based on shadcn and atomic design principles, enabling 5+ dev teams to reuse shared components with 40% less rework.

Maintained and enhanced Plaid Link frontend using React and FastAPI, improving onboarding UX and reducing client integration time by 28%. Built bank connection validators using Flask, Celery, and Redis, decreasing error rates for bulk connections by 32% across Yodlee and Finicity partners.

Studied relevant coursework including Algorithms, Databases, AI/ML, Financial Systems Architecture, and Blockchain Development.