Senior Frontend Engineer

We’re looking for a Senior Frontend Engineer for our client in Stockholm! The role You'll be working with an exciting start-up building a cutting-edge collaboration platform for the manufacturing industry, working at the frontier of engineering, cloud-native platforms, and intelligent design automation. The work consists of high-performance, real-time product interfaces used by expert users to explore complex designs, collaborate live, and make critical decisions. This is a high-agency role with real architectural ownership and direct impact on how the product evolves. What you’ll be doing

• Building core product interfaces using React, Next.js, and TypeScript
• Designing and maintaining reusable, accessible UI systems
• Implementing real-time collaboration features over WebSockets
• Working closely with product and design to ship intuitive, polished experiences
• Optimising rendering performance, asset loading, and perceived latency in complex UIs

Requirements

• 5+ years of experience building modern frontend applications in React.
• Deep understanding of component architecture, performance, and accessibility
• Worked with real-time solutions using WebSockets or similar
• Product mindset: you care about how things are used, not just how they’re built
• Proven experience working in a fast-paced, high-ownership, environment.
• Fluent English Speaker

Bonus - Any experience with WebGL, WebGPU, or 3D-adjacent frontend work What's on offer

• Above market base salary
• ITP Pension model
• 30 days vacation
• Stock Option package