Full Stack Engineer

We currently have a job opening for a pragmatic and hands-on Full Stack Engineer who loves shipping fast and working across a modern TypeScript ecosystem. We build in Cursor and optimize our development process for AI-assisted engineering — most of our code is generated with AI, and your role is to guide it, validate it, and deliver production-quality features quickly. This is a hybrid position in Warsaw (2 days per week on-site) in which you’ll work across our stack (Nest.js, Next.js, React Native, Neon/Postgres, AWS), closely collaborating with PMs, product, and users. Ownership, clarity, and iterative delivery matter most. Skills required Strong proficiency in TypeScript is a must. Other than that we look for experience with Nest.js (backend), Next.js (frontend), React Native (mobile), Postgres/Neon, and AWS (or equivalent)Java experience is a plus, but not requiredStrong understanding of CI/CD, testing strategies, performance, security, observability, and production readinessExperience building end-to-end functionality in production systems, ideally with production accountabilityComfortable working with AI-assisted development (Cursor) and evaluating, refining AI-generated codeProduct mindset and entrepreneurial spirit: you know how to take ownership, and you deliver tangible value and solve actual user problems through iterationsClear and concise communication with PMs, designers, and stakeholdersFluent English and ability to commute to our Warsaw office are a must Our Stack & Tools Languages & Frameworks: TypeScript, Nest.js, Next.js, React NativeData: Neon (Postgres), AWS RDS MySQLData Lake: Databricks, AWSCloud: AWSDev & Ops: Cursor, GitHub (Actions/PRs), DatadogProductivity: Linear, Notion Recruitment Process Prescreening: conversation with our internal recruiterTechnical interviewFurther conversation: discussion with the VP Engineering and VP Product and optional peer-to-peer conversation with the team membersFeedback: expect a response within a few days after the final stage Salary & benefits PLN 20'000 – 28'000 monthly base salary (employment contract, on request we can consider B2B too)On top of the base salary, we offer a yearly bonus (10% target bonus) and a company stock options plan for all employees (ESOP)Hybrid working model: 2 days per week on-site in our office in the heart of Warsaw (next to metro Centrum / PKiN) is a must26 days’ of paid annual leave + public holidays (on employment contract)Team events and company gatherings Why Join Coople At Coople, we combine flexible staffing with smart technology. Through our platform, we help businesses plan, manage, and fill workforce demand more efficiently, while enabling people to access flexible work opportunities. Our values – Agile, Collaborative, Empowering, Fair, and Passionate – shape our culture and the way we work. Together, we're helping shape the future of flexible work. As a Full Stack Engineer, you will join a small, sharp team operating in an AI-first development environment, with autonomy to shape architecture, influence engineering culture, and help us ship high-impact products quickly and pragmatically.