Backend 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 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

Architect scalable APIs and infrastructure for high-trust environments

Bring strong opinions on testing, quality, and long-term maintainability

Tackle complex product challenges with a user-first mindset

Shape our engineering practices and technical culture

What we're looking for

Systems thinking - you see beyond features to long-term system behaviour

Clear communicator who enjoys breaking down complexity and collaborating deeply

Appetite for learning and working in ambiguity

Curiosity

Big ambitions

Kindness

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.

At Duna, we look to hire passionate people from a variety of backgrounds. We value potential, growth, and diverse perspectives. If you’re excited about the role, a builder at heart, and want to build magical products with exceptional people, we would love to hear from you.