Senior Full-Stack Engineer - AI-Powered PropTech Platform

Rumli; Denmark; On-site; DKK 558,000 - 725,000; Full time

Benefits offered by this job

Daily lunch

Equity

Copenhagen office

Salary range

Job summary

Rumli, a Copenhagen-based proptech company, is building an AI-enabled platform for property operations. We seek a senior full-stack engineer with strong TypeScript/Node.js skills to own features end-to-end from database to UI and to shape scalable architecture for the Nordics.

You’ll work with NestJS, PostgreSQL, React, Next.js and AWS, shipping production software with AI agents as part of the workflow. On-site in Copenhagen with daily lunch and equity.

Qualifications

• Proficient in TypeScript/Node.js and modern web stacks.
• Experience building full-stack apps with backend and React frontend.
• AWS experience and cloud deployment know-how.
• Experience with AI agents or AI-assisted development is a plus.
• Ability to understand problems and design scalable software for Nordic markets.

Responsibilities

• Own features end-to-end—from database to API to UI.
• Shape architecture of a platform being built from scratch.
• Collaborate directly with co-founders and ship fast with iterations.

Skills

TypeScript/Node.js

Full-stack (backend + React)

AWS experience

Coding agents experience

Product thinking

Work independently

Copenhagen-based on-site

Tools

NestJS

PostgreSQL

Drizzle ORM

Next.js

React

Shadcn

Tailwind CSS

AWS

Job description

Rumli, a Copenhagen-based proptech company, is building an AI-enabled platform for property operations. We seek a senior full-stack engineer with strong TypeScript/Node.js skills to own features end-to-end from database to UI and to shape scalable architecture for the Nordics.

You’ll work with NestJS, PostgreSQL, React, Next.js and AWS, shipping production software with AI agents as part of the workflow. On-site in Copenhagen with daily lunch and equity.