Senior Full-Stack Developer

Description Automat-it is an all-in AWS Premier Partner and Managed Services Provider specializing in the startup ecosystem. With over 800 customers and 500+ AWS certifications, Automat-it brings hands-on expertise in AI, DevOps, and FinOps to empower fast-paced startups to grow, deliver & win. Our customers save significant time-to-market and optimize their cloud performance and costs. We work across EMEA and the US, fueling innovation and solving complex challenges daily. Join us to grow your skills, shape bold ideas, and help build the future of tech. We are looking for a Senior Full Stack Developer to join our dynamic R&D Team, where you will own high-scale features end-to-end across our FinOps platform and AWS billing engine — contributing directly to our mission of empowering fast-paced startups. This is not a traditional coding role. You will generate the vast majority of your production code with AI, and your value comes from the deep technical judgment you apply on top of it: guiding the model, critiquing its output, and shipping solutions that are high-quality, maintainable, and future-proof. We're looking for a senior engineer who is excited that the craft of software is changing - and wants to operate at the frontier of it. You will work with: Node.js/TypeScript (NestJS, Fastify, Prisma ORM) + React (TanStack, TipTap, Material UI, Untitled UI) + PostgreSQL. Work location - Remote Ukraine Key Responsibilities Own features end-to-end — from vague stakeholder ask to production deployment, including discovery, design, implementation, testing, rollout, and iteration. Refine requirements proactively using the Value, Usability, Feasibility, Viability (VUFV) framework. Push back on weak requirements, propose better solutions than the one originally requested, and keep a tight feedback loop with stakeholders. Generate your code with AI (We provide Claude Opus 4.7 in Cursor). Your job is to direct the model, review its output with a senior engineer's eye, and take