Scott Willats

Architected and delivered 6+ enterprise full-stack modules using React, TypeScript, Python (FastAPI), and AWS for revenue-generating business verification workflows used by thousands of enterprise users. Connected state filing records, BBB information, and online listings to automate business checks and reduce verification effort from hours to minutes. Designed and documented 12+ REST APIs with OAuth2/JWT authentication, rate limiting, and integration guidance for external vendors. Integrated credit-bureau APIs and AI-assisted data validation to support credit-scoring workflows, connecting AI-supported checks with the broader verification process. Built a shared React/TypeScript component library adopted by 8+ feature teams, reducing duplicated UI work by 35%. Improved response times by 28% through PostgreSQL/MongoDB query tuning, strategic indexing, and Redis caching. Modernized Docker-based CI/CD workflows with GitHub Actions, reducing manual release steps by 60% and maintaining a 99

Delivered seven core fintech workflows using React, TypeScript, Python, Django, and Flask for high-volume transaction processing. Designed and documented 15+ REST endpoints for payments, account management, and business operations to ensure consistent contracts for dependent services and integrations. Introduced modular React/Redux patterns across six application areas, reducing technical debt and improving developer onboarding by 40%. Integrated eight external financial services with secure authentication, authorization, validation, error handling, and encrypted data exchange. Refactored five backend domains from a monolith into independently deployable Docker services on AWS ECS, improving resilience and deployment flexibility. Strengthened release confidence with automated unit, integration, and end-to-end tests, production monitoring, CI/CD pipelines, and troubleshooting runbooks.

Built customer-facing healthcare applications using React/JavaScript and Python across five major product workflows supporting thousands of users. Developed backend services and implemented six third-party integrations including payment gateways, EHR systems, and notification services using PostgreSQL and MongoDB. Delivered responsive UI improvements that achieved Lighthouse performance and accessibility scores above 90. Implemented authentication, validation, error handling, and test automation with Jest, Pytest, and Cypress, contributing to a 25% reduction in production defects. Collaborated with product, design, and QA on biweekly releases and resolved critical production issues within a four-hour SLA.