Fullstack & AI Engineer: Build LLM-Powered Web Apps

Digital Fans; Stockholms kommun; On-site; SEK 900,000 - 1,100,000; Full time

Job summary

Digital Fans, based in Stockholm, is looking for a Fullstack and AI Developer who can craft high-quality digital experiences and scalable AI-powered features. You will work across frontend and backend, shipping web applications, dashboards, and agent workflows that blend technology with user-centric design.

You’ll collaborate with design and clients to understand real business needs, build production-ready services, and contribute to architecture as AI capabilities evolve.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with frontend and modern web development.
• Deep experience with TypeScript and React.
• Experience with frameworks such as TanStack Start, React Router or Next.js.
• Comfortable working across the full stack, including Node.js, APIs, integrations and data.
• Hands-on experience building and shipping LLM-powered features such as tool calling, RAG or agentic workflows.

Responsibilities

• Build client-facing web applications and digital products in TypeScript and React.
• Develop products using frameworks such as TanStack Start, React Router and Next.js.
• Turn designs and user experiences into high-quality, responsive and accessible digital products.
• Build LLM-powered features and agent workflows and integrate them into real product experiences.
• Connect AI systems to client data, tools and platforms.

Skills

TypeScript

React

Frontend development

Full-stack development

LLM-powered features

API design

Node.js

Tools

TanStack Start

React Router

Next.js

Mastra

OpenAI Agents SDK

Claude Agent SDK

LangGraph

Amazon Bedrock AgentCore

Shopify

Azure

Docker

Cloudflare

Job description

Digital Fans, based in Stockholm, is looking for a Fullstack and AI Developer who can craft high-quality digital experiences and scalable AI-powered features. You will work across frontend and backend, shipping web applications, dashboards, and agent workflows that blend technology with user-centric design.

You’ll collaborate with design and clients to understand real business needs, build production-ready services, and contribute to architecture as AI capabilities evolve.