Jobs / engineering
Software Engineer - Fullstack
Onramper Technologies · Amsterdam
What you will do
Design and build robust, scalable backend services and APIs using Node.js and TypeScript
Develop and maintain React-based frontend interfaces that are performant and maintainable
Collaborate closely with product and design to shape features from discovery through to delivery — not just implementation
Take ownership of your work end-to-end: scoping, building, shipping, monitoring
Contribute to and improve CI/CD pipelines, deployment processes, and cloud infrastructure
Write secure, well-tested, production-ready code with real uptime requirements
Participate in code reviews, architectural discussions, and technical decision-making
Help maintain the reliability and observability of production systems — and respond when things go wrong
What they look for
We're looking for a Full Stack Software Engineer at the upper mid-level — someone who is beyond executing tasks and is ready to drive meaningful technical work end-to-end.
You'll spend roughly 70% of your time on backend (Node.js, TypeScript, APIs, cloud infrastructure) and 30% on frontend (React, TypeScript). You're not expected to be a specialist in both — but you are expected to be genuinely capable across the stack and comfortable context-switching between the two.
This is a role for someone who owns their work. That means being involved from the moment a problem is identified, helping break it down, making sound architectural decisions, shipping it, and making sure it stays healthy in production.