At Duna, we see the company as the second product we’re building and are continually working to create a transparent, ambitious culture. We want this to be the place where you do your best work. Our mission is to redefine identity for the global economy. We’re backed by world-class investors including Index Ventures as well as founders and executives from companies like Stripe, Adyen, Notion, Remote, Qonto, Framer, Anthropic, Mollie, OpenAI, Goldman Sachs. SINCE YOUR ROLE WITH US WILL RARELY FIT A JOB DESCRIPTION, WE ONLY WROTE A CRISP OVERVIEW. WHAT YOU'LL BE DOING IN THIS ROLE - Design and build backend systems that are clean, testable, and efficient - Ship customer-facing features as an engineer in one of our product teams - Work closely with Deployment, go-to-market teams and our customers to bring them to life - Turn repeated setup work into product improvements - Bring care to testing, quality, and long-term maintainability - Shape our engineering practices and technical culture WHAT WE'RE LOOKING FOR - 3 to 5+ years as a backend engineer at a modern tech company - High level of ownership and care for your work, with a track record to show for it - You enjoy working with customers and can explain technical things to people who aren't engineers - You take feedback quickly and turn it into growth - Curiosity - Big ambitions - Kindness Bonus if you've worked on AI features and how to evaluate them, or on product analytics. Our current stack includes Node.js + TypeScript, Event Sourcing, Express, Postgres, RabbitMQ, Kubernetes, AWS. Experience with these is a plus, but not required. We are more excited about how you approach problems and find solutions. A final note before you apply: please read through our website in detail. You'll find the fundamentals there: what we believe in, how we work, and why we're building this company. We're a remote-first, fast-moving team of builders looking for exceptional people who love to create, build, and ship. Beyond passion and grit, we highly value curiosity, authenticity and kindness. If this sounds like you, we'd love to hear from you! PS. We are looking to hire passionate people from a variety of backgrounds. So even if you don't check all the boxes, we welcome your application!