Senior Fullstack Engineer, Commerce Mission

We’re looking for a Senior Fullstack Engineer to join our growing Software engineering organization in the USA. Our organization consists of cross-functional squads, each with a specific area of ownership across the Oura product. You will be part of the Commerce Mission. The Commerce Mission drives Oura’s product sales revenue through online e-commerce and offline partnerships.

Responsibilities

Own end-to-end features in Cart & Checkout, collaborating with Product, Design, Data, and partner engineering teams to define scope, architecture, and rollout plans; Design and implement full-stack solutions using technologies like TypeScript, React/Next.js, Tailwind, AWS Lambdas, DynamoDB, Redis, and modern CI/CD workflows; Lead technical design for high-impact initiatives in areas such as global checkout flows (multi-currency, taxation, shipping, localized UX), fraud and risk controls that protect customers and the business, and enabling buying pathways in ever-expanding sales channels; Champion quality and operational excellence by writing well-tested, well-documented code, instrumenting monitoring, logging, and alerting for new features, and planning safe rollouts with feature flags, A/B tests, and clear rollback strategies; Shepherd work from idea to stable production by driving technical discovery and spike work when requirements are ambiguous, collaborating with QA and SRE to ensure readiness for peak events (launches, BFCM, campaigns), and supporting on-call rotations by helping debug, fix, and prevent incidents in critical revenue paths; Raise the bar for the team by mentoring other engineers through design reviews, pairing, and thoughtful code review, and helping standardize patterns, documentation, and best practices as the team and codebase scale

Requirements

7+ years of software development experience; Strong TypeScript skills; Solid knowledge of API best practices, experience with serverless patterns (AWS Lambdas), and Service-Oriented Architectures; Have designed, built, and deployed scalable, performant web services on AWS; Experience with DevOps, including CI/CD pipeline configuration, monitoring and observability for code in production, and crafting quality alerts to support operational excellence; Pragmatic, entrepreneurial attitude and delivery-focused mindset with ability to handle tradeoffs between short-term goals and long-term tech debt; Deep expertise in either Frontend (modern React/Next.js, TypeScript, modern CSS (e.g., Tailwind), web performance, accessibility, and frontend testing (Jest, Playwright)) or Backend (designing and operating web services on cloud platforms preferably AWS with strong API design, data modeling, and observability practices)

Nice to have

Experience with online payments, PSPs, digital wallets, 3DS, or fraud/risk systems; Experience with global commerce (multi-currency, localization, tax/shipping rules, regional content); Experience building and maintaining design systems, shared component libraries, and/or experimentation frameworks (feature flags, A/B tests); Prior work on event-driven or serverless architectures at scale

Benefits

Competitive salary and equity packages; Health, dental, vision insurance, and mental health resources; An Oura Ring of your own plus employee discounts for friends & family; 20 days of paid time off plus 13 paid holidays plus 8 days of flexible wellness time off; Paid sick leave and parental leave