Fullstack Engineer

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 will rarely fit a job description, we only wrote a crisp overview. What you'll be doing in this role Build end-to-end product features, from designing APIs to implementing polished UIs Architect reliable and scalable systems across the stack Collaborate closely with product and design to to turn concepts into seamless product flows Maintain a strong focus on code quality, testing, and long-term maintainability Contribute to our engineering practices and help shape technical culture What we're looking for Comfortable moving between different parts of the stack to solve problems Clear communicator who thrives in collaborative problem-solving Systems thinking - you see how product decisions ripple through the stack A