yarbro

Engineered and implemented a suite of API services, including SQL, Catalog, Encryption, and Payments, significantly enhancing our system's functionality and performance. Redesigned the end-to-end subscription and payments experience across Flask APIs and React UI, integrating Stripe SDK for secure billing history, credit card management, and payment processing. Implemented advanced subscription management components in React to streamline user interactions, reducing signup friction and increasing active subscriptions by 25% over Q3 2024. Led API Gateway security and DDoS protection strategy for the SxT platform, implementing Cloudflare validation, autoscaling (HPA/VPA), and rate-limiting policies. Improved system uptime and customer reliability while reducing incident response time by 30%. Optimized database performance by redesigning SQL queries and caching layers across multiple microservices (Postgres + KeyDB), improving query latency and large-dataset throughput by 40%. Developed smart contracts and Chainlink integrations that enabled customers to connect off-chain data securely to Space and Time’s blockchain, expanding enterprise dApp functionality.

Enhanced the performance and functionality of the reservation system through Java development, troubleshooting, and feature implementation. Led registry application updates using Angular and Groovy, implementing complex services for improved performance.