Senior AI-Driven Fullstack Engineer (Hybrid, Sweden)

Litium AB; Stockholms kommun; Hybrid; SEK 800,000 - 1,100,000; Full time

Benefits offered by this job

Salary by agreement

Flexible working hours

30 days of vacation

Occupational pension (ITP) and insured

Wellness allowance SEK 5,000 per year

Office at Stockholm

Start date: by agreement

Job summary

Litium AB in Stockholm, Sweden is seeking a Senior Software Engineer who thrives on building real products across frontend, backend, and AI. You will work in a hybrid setup based in Sweden, collaborating with Product and Design to deliver high-quality experiences.

We expect deep knowledge of modern JavaScript/TypeScript, architecture and CI/CD, and a strong interest in AI-driven development. You’ll mentor others, shape technical direction, and own significant parts of the stack.

Qualifications

• 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 hands-on experience with AI-assisted development.
• Structured approach to work; capable of moving between architectural thinking and detailed implementation.
• Clear communication and strong ownership in a fast-moving environment.

Responsibilities

• Fullstack development with React/NextJS, Angular, TypeScript, Node.js, .NET and cloud infrastructure.
• AI-driven development using AI tools and agents to boost output.
• Collaborate with Product and Design to deliver high-quality user experiences.
• Take technical ownership and mentor others.
• Drive architecture decisions, code quality, testing and performance.

Skills

JavaScript/TypeScript

Frontend frameworks

Backend technologies

Architecture & CI/CD

AI curiosity

Communication & ownership

Tools

React

Next.js

Angular

TypeScript

Node.js

.NET

CI/CD

Job description

Litium AB in Stockholm, Sweden is seeking a Senior Software Engineer who thrives on building real products across frontend, backend, and AI. You will work in a hybrid setup based in Sweden, collaborating with Product and Design to deliver high-quality experiences.

We expect deep knowledge of modern JavaScript/TypeScript, architecture and CI/CD, and a strong interest in AI-driven development. You’ll mentor others, shape technical direction, and own significant parts of the stack.