Scott Willats

Led the migration from a monolithic e-commerce stack to a React frontend with Node.js microservices, reducing page load times by 35% and increasing engagement by 22%. Contributed to designing and extending .NET services, improving checkout flows and API resilience across distributed services. Architected AWS infrastructure (EC2, S3, RDS), right-sizing resources and trimming waste to reduce infra costs by ~18%. Built and secured REST APIs with JWT and OAuth2, prioritizing stability and observability to achieve 99.9% uptime. Refactored UI components with a mobile-first mindset, improving mobile conversions by 27% and reducing layout shifts. Introduced unit and integration testing across frontend and backend, cutting production defects by ~30%. Tuned PostgreSQL queries, added indexing, and introduced Redis caching for high-traffic endpoints, boosting average response times. Implemented GitHub Actions CI/CD, halving deployment time and reducing release friction. Mentored five juniors throu

Built and maintained Angular frontends and Spring Boot microservices supporting 1.2M transactions per day with 99.8% uptime in a production environment serving 50K+ users. Designed and secured 40+ RESTful API endpoints using JWT and OAuth2, reducing authentication-related issues and improving token validation performance. Led migration from a monolithic MySQL database to PostgreSQL and introduced Redis caching for high-read endpoints, decreasing average latency by 35% and nearly eliminating peak response times. Conducted structured code reviews and mentored 4 developers, increasing test coverage from 55% to 85% and reducing post-release defects by ~30%. Implemented and optimized CI/CD pipelines in Azure DevOps across 6 services, reducing deployment failures by ~45% and shortening release cycles. Designed and executed 600+ unit and integration tests, stabilizing core services and reducing regressions. Optimized frontend performance with React/TypeScript, improving page loads by 28% and

Built and maintained Node.js and PHP backend services for healthcare platforms serving 200K+ users, reducing recurring server-side errors by 20% through improved logging, validation, and exception handling. Developed reusable React and Angular components for patient portals, improving usability and reducing support requests. Implemented RESTful APIs and modular microservices for better isolation and faster feature delivery. Introduced unit and API integration testing frameworks, increasing automated coverage and cutting post-deployment issues by 25%. Tuned MySQL and MongoDB databases, optimizing indexes and queries for better performance under peak load. Actively participated in Agile/Scrum ceremonies and contributed to secure coding practices to reduce OWASP risks.