Lead modernization of frontend architecture for React Native mobile apps and supporting React web surfaces. Improve performance, reliability, accessibility, developer experience, testing and CI/CD. Drive large-scale refactors, establish best practices, mentor senior engineers, and collaborate across backend, product, and design to deliver scalable, high-quality user experiences.

Lead modernization of an AWS TypeScript backend platform: evolve architecture (serverless/containers/microservices), improve reliability and observability, drive best practices for TypeScript and AWS, reduce operational complexity, mentor senior engineers, and partner across product and infrastructure to enable safer, faster delivery.