Come build the future of cloud cost optimization at AWS! As a Senior Frontend Engineer and Tech Lead on the Optimization Consoles team, you'll own customer-facing products used by thousands of AWS customers to save millions on their cloud spend and pioneer Gen AI-powered experiences that are redefining how users interact with complex data. We're looking for a passionate frontend leader to drive development across our suite of cost optimization products including Compute Optimizer, Cost Optimization Hub, and Optimization Widget. You'll shape the technical direction of high-impact consoles, mentor engineers, and bridge the gap between UX, Product, and Backend teams to deliver world-class experiences. What you'll do:Lead frontend architecture and development across 3 external customer-facing consoles and internal tools. Drive Gen AI initiatives integrating Amazon Q and LLM-powered dynamic UI generation. Own technical strategy including React/ Type. Script modernization, performance optimization, and testing frameworks. Serve as a strategic bridge between UX, Product Management, and Backend engineering teams. Mentor and grow engineers while influencing org-wide technical standards. Deliver high-visibility launches that directly impact AWS customers' cloud spending decisions. What makes this role exciting:Direct customer impact: Your work helps AWS customers optimize millions in cloud spend. Innovation at the edge: Pioneer AI-driven UI generation using LLM frontend frameworks. High visibility: Lead re:Invent launches and shape products used customers. Full ownership: Dual technical and product influence across architecture, design, and delivery. Scale & complexity: Performance challenges Key job responsibilities. Key Job Responsibilities - Front-End Engineer III, Optimization Console. Own end-to-end frontend architecture, design, and delivery for customer-facing AWS cost optimization consoles (Compute Optimizer, Cost Optimization Hub, Optimization Widget)Drive technical strategy and modernization efforts including React/ Type. Script adoption, state management patterns, build process improvements, and comprehensive testing frameworks. Lead cross-functional collaboration with UX designers, Product Managers, and Backend engineers to translate complex business requirements into intuitive, high-performance user experiences. Architect and implement Gen AI-powered features, including Amazon Q integration and LLM-driven dynamic UI component generation. Deliver measurable performance improvements across consoles (page load speed, rendering time, code efficiency) while maintaining high quality bar with zero-defect launches. Author technical design documents, implementation guides, and architectural standards that elevate org-wide engineering practices. Mentor and develop junior engineers through code reviews, design guidance, and hands-on pairing on complex feature development. Manage cross-service integrations across AWS partitions (standard, China, Gov. Cloud, and isolated regions) using CDK infrastructure. Lead high-visibility product launches (including re:Invent-scale deliverables) by coordinating across multiple stakeholder teams. Continuously improve developer experience through tooling, automation, and establishing reusable component libraries and testing patterns. Basic Qualifications- 4 years of non-internship professional front end, web or mobile software development using JavaScript, HTML and CSS experience- 5 years of front-end developer creating prototypes or wire-frames for enterprise web applications or workflows experience- Experience developing with MVC/ MVM frameworks (e.g. React. JS, Angular. JS, Vue)Preferred Qualifications- Knowledge of web services technologies such as SOAP, HTTP, WSDL, XSD, and REST- Experience in a broad range of software design approaches and common UX patterns.