Full-Stack Engineer: AI-Powered Product Platform (Stockholm)

Proposales; Stockholms kommun; On-site; SEK 700,000 - 900,000; Full time

Job summary

Proposales in Stockholm is seeking a skilled Full-Stack Engineer to join our Product team. You will contribute across the stack from ideation to deployment, helping hotels move from inquiry to booking and expanding into AI-powered operations.

We value ownership, collaboration, and a quality-first mindset, with a strong emphasis on modern JavaScript/TypeScript frameworks and serverless infrastructure. This role is 100% on-site in Stockholm.

Qualifications

• Strong skills in JavaScript and modern frontend/backend frameworks.
• Experience with APIs, product development, and full-stack problem solving.
• You've thrived in a fast paced startup environment before, ideally working closely with a founder or small team where you wore a lot of hats.
• You take initiative and ownership without needing to be asked twice.
• You are great to collaborate with.
• You believe in code quality through code reviews, pair programming, and test-driven development as your default, not an afterthought.

Responsibilities

• Write scalable, maintainable, and testable code with a quality first mindset.
• Continuously iterate and optimize for performance and user experience.
• Embrace new technologies as we push into serverless infrastructure.
• Help define and grow our engineering culture, Proposales should be your favorite place to work.
• Take initiative and run with ideas, we want people who see something that could be better and just fix it.

Skills

JavaScript

React

Node.js

TypeScript

APIs

Tools

Next.js

PostgreSQL

Vercel

Vercel AI SDK

MCP

Job description

Proposales in Stockholm is seeking a skilled Full-Stack Engineer to join our Product team. You will contribute across the stack from ideation to deployment, helping hotels move from inquiry to booking and expanding into AI-powered operations.

We value ownership, collaboration, and a quality-first mindset, with a strong emphasis on modern JavaScript/TypeScript frameworks and serverless infrastructure. This role is 100% on-site in Stockholm.