Software Development Engineer III — Commerce & Loyalty

Quick Facts

• Role: Software Development Engineer III (Commerce & Loyalty)
• Focus: Build Shop member experience (offer discovery, cashback, rewards)
• Location: Mountain View, CA or McLean, VA (5 days onsite)

Description

You will craft the member-facing experience using a modern frontend stack (Next.js and React) and deliver reliable experiences at scale, including under major peak-traffic events. The team follows AI-first development across design, build, test, and ship, while ensuring AI output is verified and guided.

Responsibilities

• Build and maintain the Shop member experience with Next.js and React.
• Develop responsive, accessible, high-performance UI for offer discovery, cashback, and rewards.
• Integrate the frontend with backend REST and GraphQL services and internal identity systems.
• Contribute to and reuse a shared design system and component library.
• Optimize frontend performance and reliability (Core Web Vitals, rendering strategy) under peak shopping traffic.
• Practice AI-first development: use AI tooling across implementation, testing, and review, with judgment to verify and steer output.
• Uphold security and privacy of member data on the client.
• Collaborate across Product, Design, Application, QE, API, and Infrastructure teams to ship features end to end.
• Write high-quality, 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 related field (or equivalent experience).
• 4+ years building web applications, with strong frontend depth in React and Next.js.
• Proficiency with TypeScript and modern frontend tooling.
• AI-first development: fluent using AI coding tools (e.g., Claude Code, Cursor, Copilot) as a core part of how you build, with the discipline to validate outputs.
• Proven ability to deliver features end to end, including automated test coverage, observability, monitoring, and documentation.
• Experience building in a containerized, cloud-based, infrastructure-as-code ecosystem; exposure to GCP with Docker, Kubernetes, or Nomad.
• Ability to communicate technical tradeoffs clearly and work collaboratively.

Benefits

• Comprehensive medical, dental, vision, and HSA.
• Flexible spending accounts (medical, limited purpose, dependent care, commuter benefit accounts).
• Basic and voluntary life and AD&D insurance; 401(k) with company match.
• Parental leave; unlimited paid time off subject to PTO policy terms, including 8 company wide holidays.
• Short and long-term disability insurance; accident and critical illness insurance.
• Referral bonus policy; employee assistance program; pet insurance; travel assistant program.
• Wellbeing and childcare discounts, benefit advocates, and learning and development benefit.
• U.S. pay range: $139,725–$160,367 USD; Mountain View, CA pay range: $172,528–$192,904 USD (final offers may vary; base salary excludes bonus/incentive/equity/benefits determined by experience and other factors).