Product Engineer (Retailer Experience & Growth, Fullstack, Backend or Frontend)

Join Faire, a fast-growing marketplace for independent retailers and brands. As a Software Engineer on the Retailer Growth pillar, you will work closely with product, design, data science, and marketing to build and scale systems that drive growth. This is a generalist role that requires curiosity, a strong product sense, and a desire to use technology to help independent retailers and brands succeed. You will collaborate with various teams, execute end-to-end projects, build growth infrastructure, and optimize user-facing experiences. - Collaborate closely with product managers, designers, data scientists, and marketing to ship features and experiments that drive retailer acquisition, onboarding, and engagement. - Independently execute end-to-end projects — from scoping and design through implementation and measurement, and build and contribute to growth infrastructure. - Use data to drive decisions: partner with Analytics and Data Science to instrument features, design experiments, and interpret results. - Experience in a growth, lifecycle, or consumer product environment is a plus - Comfortable working across the stack — experience with frontend (TypeScript, React) and/or backend (Kotlin, Java) is welcome - A love for technology, and an insatiable curiosity for new tools to solve real problems - Strong product instincts — you think about the user and the business, not just the implementation - Familiarity with experimentation concepts (A/B testing, feature flags, traffic allocation) - Experience shipping features end-to-end, from design through production - 3+ years of software engineering experience - Ability to work with data: comfortable reading dashboards, writing queries, and reasoning about metrics - A bachelor’s degree in Computer Science/Software Engineering or equivalent industry experience - Datastores: MySQL, CockroachDB - Testing: Jest, , Playwright - Experience with similar technologies is welcome — you don’t need experience with our exact stack - Infrastructure & Cloud: AWS (EC2, S3, RDS), Docker - Frontend: TypeScript, JavaScript, React, Next.js - Backend: Kotlin, Java, Guice, Jersey, Hibernate - Experimentation & Growth: Feature flagging systems, A/B testing frameworks, traffic ramping tools