(Senior/Staff) Backend Engineer

Duna; United States; A distancia; USD 120.000 - 180.000; Jornada completa

Descripción de la vacante

Duna is a remote-first, fast-moving team of builders seeking exceptional people who love to create, build, and ship. We value curiosity, authenticity and kindness as core culture.

This role is about owning production-grade backend systems, shaping architecture, and delivering high-trust APIs in a modern stack. Join us to contribute from anywhere in the US, collaborate deeply, and grow with ambitious teammates who push boundaries while maintaining a human-focused approach to product and

Formación

• Senior or staff-level experience building and owning production systems.
• 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.
• Bonus if you've built AI features and the evaluations behind them, or worked on product analytics.

Responsabilidades

• Design and build backend systems that are clean, testable, and efficient.
• Architect scalable APIs and infrastructure for high-trust environments.
• Own core systems end to end, and stay hands-on in the code.
• 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.

Conocimientos

Senior/Staff level experience

Systems thinking

Clear communication

Ambiguity handling

Curiosity

Big ambitions

Kindness

Herramientas

Node.js

TypeScript

Express

Postgres

RabbitMQ

Kubernetes

AWS

Descripción del empleo

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
• Own core systems end to end, and stay hands-on in the code
• 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

• Senior or staff-level experience building and owning production systems
• 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

Bonus if you've built AI features and the evaluations behind them, or worked on product analytics.

Our current stack includesNode.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!