Senior Developer - AI & Fullstack

Help us build great products – and shape the future of modern commerce

At Litium, we’re on a mission to help our customers succeed in modern commerce, building the capabilities they need to grow their business online, connect systems and channels, and use AI as a foundation for smarter, faster decisions.

We’re now expanding our engineering team in Sweden to lead the way forward.

We’re looking for a Senior Software Engineer who thrives on building real products, enjoys working across backend, frontend, and AI, and wants to be part of a fast-moving team where architecture, quality, and user experience matter.

What you’ll work on

• Fullstack development: React/NextJS, Angular, TypeScript, Node.js, .NET, cloud infrastructure and everything in between

• AI-driven development: you'll work with and through AI tools and AI agents to multiply your output, and help us improve how we use them

• Product building: work closely with Product and Design to deliver high-quality user experiences

• Take technical ownership: contribute to architectural decisions, and mentor others.

• Technical quality: you'll drive architecture decisions, code quality, testing and performance, and raise the bar for the whole team through code reviews and knowledge sharing

What we’re looking for

• Several years of experience as a developer, with deep knowledge of modern JavaScript/TypeScript frameworks and backend technologies

• Background in architecture, scalability, and CI/CD

• Genuine curiosity about AI and how it's changing software development, ideally with hands-on experience of AI-assisted development

• You work in a structured way and understand that high speed requires order, not chaos

• You can move between architectural thinking and detailed implementation

• You communicate clearly, take ownership and thrive in a fast-moving environment

What we offer

• Salary by agreement, based on experience and skills

• Flexible working hours

• 30 days of vacation

• Occupational pension (ITP) and insurance under the collective agreement

• Wellness allowance of SEK 5,000 per year

• Office at Hammarbybacken 27, Stockholm

• Start date: by agreement

A note on your application

We value a personal application – we’re looking for you, your values, and how you think.

If your CV or personal letter feels clearly AI-generated, we’ll decline it without further discussion.

Perfect language isn’t what matters – we actually welcome the occasional typo or informal tone!

Practical info

• Location: Hybrid, based in Sweden. Regular time in Stockholm office is expected.

• Language: Since most of our customers are based in Sweden, Swedish language skills are required.