• Own design and development of backend microservice in Java and Ruby. • Define API contracts and service boundaries across multiple systems. • Optimize performance and reliability using sound algorithmic and data structure principles. • Design and evolve data models (MySQL) for scalability and maintainability. • Lead improvements to our Kubernetes and Docker microservice environments, CI/CD pipelines, and AWS infrastructure (SQS/SNS, EC2, S3). • Implement event-driven patterns for asynchronous workflows. • Architect and implement responsive, accessible interfaces using React, JavaScript, HTML, and CSS. • Collaborate with design to maintain and evolve our component library and design system. • Drive performance and UX improvements through thoughtful optimization and experimentation. • Mentor teammates through code reviews and design discussions. • Help shape coding standards, testing practices, and architectural direction. • Partner with Product and other stakeholders to translate business goals into technical outcomes. • Identify and lead efforts to reduce technical debt and improve developer productivity.