Software Development Engineer III — Commerce & Loyalty

Responsibilities

• Build and maintain the Shop member experience with Next.js and React.
• Develop responsive, accessible, high-performance interfaces for offer discovery, cashback, and rewards.
• Integrate frontend systems with backend REST and GraphQL services and internal identity systems.
• Contribute to and reuse shared design systems and component libraries.
• Optimize frontend performance and reliability, including Core Web Vitals and rendering strategies, during peak traffic.
• Use AI tooling across implementation, testing, and code review while validating its output.
• Uphold the security and privacy of member data on the client.
• Collaborate with Product, Design, Application, QE, API, and Infrastructure teams to deliver features end to end.
• Write well-tested code with automated tests and observability instrumentation.
• Participate in system design discussions, code reviews, and technical documentation.

Requirements

• Bachelor's or master's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• 4+ years of experience building web applications, with strong frontend expertise in React and Next.js.
• Proficiency with TypeScript and modern frontend tooling.
• Fluency with AI coding tools such as Claude Code, Cursor, or Copilot, including the ability to validate generated output.
• Experience delivering features end to end with automated test coverage, observability, monitoring, and documentation.
• Experience in containerized, cloud-based, infrastructure-as-code environments.
• Exposure to Google Cloud, Docker, Kubernetes, or Nomad.
• Ability to communicate technical tradeoffs clearly and collaborate effectively.

Nice-to-Haves

• Production experience building and consuming REST or GraphQL APIs.
• High-traffic consumer web performance optimization, including Core Web Vitals, SSR/ISR, and caching.
• Experience with design systems and component libraries.
• Familiarity with WCAG and inclusive UI development.
• Experience in e-commerce, marketplaces, offers or affiliate platforms, loyalty, or payments.
• Backend familiarity for full-stack contributions.
• Experience with event-driven architectures and cloud-native patterns.

Compensation

• U.S. base salary range: $139,725–$160,367.
• Mountain View, California base salary range: $172,528–$192,904.
• Compensation excludes bonus, equity, and benefits.
• Benefits include medical, dental, vision, HSA/FSA, commuter benefits, life and disability insurance, 401(k) match, parental leave, paid time off, holidays, and learning and development benefits.