Senior Full-Stack Engineer (Frontend-Leaning) | Warsaw, Hybrid

About the position

About the Company Curie is a well-funded, AI-first startup building products where engineering precision meets exceptional user experience . The company operates with radical autonomy, zero bureaucracy, and full ownership , enabling engineers to move fast and build without constraints. Location: Warsaw, Poland (Hybrid) Employment Type: Full-time | Senior Industry: AI / Product / SaaS Compensation: $100,000 – $150,000 What You'll Do Build pixel-perfect, high-performance UI with strong UX thinking Ship backend features within a TypeScript-driven ecosystem Own features from idea production iteration Operate in a high-speed, high-trust environment Contribute directly to product and technical decisions Tech Stack Frontend: TypeScript, React, Next.js, Tailwind, DaisyUI, Playwright Backend: Node.js, Fastify, PostgreSQL, queues Architecture: DDD, CQRS ML: Python What We're Looking For Expert in TypeScript + modern frontend frameworks Strong UI/UX intuition — you care about product quality deeply Ability to independently deliver backend functionality Proven success in 01 or high-autonomy environments High ownership, resilience, and low-ego collaboration style Comfortable in intense, high-performance environments Nice to Have Ex-founder or early-stage startup experience AI/ML product exposure Experience with DDD, CQRS, distributed systems Why This Role Stands Out End-to-end ownership — no handoffs, no silos No managers — decisions are made by builders, not layers AI-leveraged engineering — speed and efficiency are core Top-tier team density — work with high-caliber engineers only Real product influence — your decisions shape what ships Proven success in zero-to-one product building or high-autonomy environments If you're in the top percentile and want to build without limits — this is where you prove it. Apply now...