Senior Software Engineer (Full-Stack)

We're looking for a Senior Full Stack Engineer to build the internal products that run our e-commerce business — the tools our operations, finance, and growth teams use every day to manage brands, inventory, PPC, and marketplace performance. You'll own features end to end: shaping the solution together with the teams who will actually use it, building both the backend and the interface, shipping it, and keeping it healthy in production. ResponsibilitiesDesign, build, and ship full-stack features end to end — from database schema to the interface people actually clickWork closely with the product manager to turn messy, half-defined problems into scoped, shippable solutions — and go straight to the operations, finance, or growth teams when you need to see how the work actually gets doneImprove and extend the internal services we already run — and build new ones from scratch when a problem deserves its own productOwn your services in production — monitoring, performance, reliability, and fixing things when they breakContribute to architecture decisions and help evolve our codebase, tooling, and CI/CDReview code and raise the engineering bar through pragmatic standards and experience sharingKeep technical debt honest: refactor what slows the team down, ship what moves the business QualificationsMust haveStrong Python — typing, testing, async, real production servicesClean architecture instincts — you can walk us through a system you designed and explain its trade-offsDeep database knowledge — modeling, indexing, query optimization; comfortable in both OLTP and analytical worldsDocker & Kubernetes in production, not just tutorialsGitHub Actions CI/CD — you've built pipelines, not only used themSolid GCP experience — we run on GKE, Cloud Run, BigQueryReact / Next.js — able to ship a full feature without a dedicated frontend devAI-native workflow — you use coding agents daily and build serious harnessing around them: project instructions, custom tools/MCP, verification loops, CI gates. You direct AI with judgment and verify what it produces — you don't just prompt and pastePassion for the craft — you care about the product, push back with better ideas, and stay curious. AI is your leverage, not your replacementUpper Intermediate English — be able to hold a conversation with the team in English Nice to haveAirflow / dbt / data pipeline exposureTerraform / IaCE-commerce or Amazon ecosystem experience