Full Stack Engineer

We're looking for a Fullstack engineer for our client in Central Stockholm.

The Position

You'll be working with an IoT company building cloud-based access control software for buildings and used by some of Sweden's largest real estate companies and customers across Europe and North America. The platform connects IP-enabled hardware directly to the cloud, making physical access control modern, flexible, and remotely manageable.

This is a frontend-leaning fullstack role, with opportunities to lead frontend architecture and design systems work as the team grows.

What you'll work on

• Frontend feature development across React/Next.js web applications
• Backend services in Java and Spring Boot
• Frontend architecture, design system, and component reuse decisions
• API design where frontend meets backend
• Quality engineering - clean code, testable architectures, maintainability

Tech stack

Java + Spring Boot backend, Next.js + React for web, Flutter for mobile, AWS RDS and OpenSearch, message queues, GitHub Actions, AWS deployment.

Agentic AI tooling (Claude Code, Cursor, etc.) is part of the day-to-day.

Requirements

• 5+ years commercial software development experience
• Strong fluency in React, Next.js and Typescript.
• Backend experience in Java + Spring boot.
• Working experience with AWS
• Active practitioner of AI-assisted development tools
• Stockholm-based or willing to relocate.

Nice to have

• Flutter / mobile development experience
• Design system or component library experience
• Event-driven architecture exposure

What's on offer

• A direct hand in shaping a product that real customers depend on every day
• Small, technically advanced team where your work has visible impact
• Competitive salary and stock options.
• Hybrid working from central Stockholm (2 days in office)