Senior Software Engineer (Frontend/Full Stack)

Build and ship Copilot Shopping experiences end-to-end, with a solid emphasis on frontend quality (UX polish, accessibility, performance, reliability). Work fluidly across the full architecture: client (web/mobile), services/APIs, data contracts, telemetry/experimentation, and operational tooling. Partner closely with Product, Design, and Data Science to define success metrics, instrument telemetry, run experiments, and iterate based on outcomes. Design and implement reusable UI components and client patterns, while also contributing to service integration and backend changes when needed to unblock or improve the experience. Drive engineering excellence via code reviews, automated testing, CI/CD hygiene, performance profiling, and solid live-site ownership (monitoring, alerting, incident response). Debug and resolve complex issues that span client - service - data/telemetry, improving observability and reducing time-to-diagnosis. Make pragmatic architecture decisions that increase modularity, maintainability, scalability, and developer velocity. Mentor and elevate the team through technical leadership, documentation, and best practices. Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python Meaningful frontend and full-stack ownership delivering polished, performant user experiences across web and/or mobile surfaces (Kotlin/Swift/web). Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

integrating clients with backend systems via client-server contracts (e.g., REST/JSON, GraphQL, SSE/WebSockets) and collaborating on API/data contract design.

Demonstrated ability to debug and troubleshoot client issues and drive performance optimizations for high quality user experiences.