Backend/Fullstack Developer

We are looking for a Senior Backend / Fullstack Developer to join a fast-growing AI product company that is building innovative solutions used by thousands of professionals across Europe. This is a hands-on engineering role where you will work closely with product, design and engineering teams to build and scale a modern software platform. The environment is fast-paced, highly collaborative and focused on delivering real customer value. Start: ASAP Duration: 6 months initially, with potential extension Location: Stockholm Work setup: On-site 5 days per week Key Responsibilities

• Design, build and maintain scalable backend services and APIs
• Develop and contribute across the full stack when needed
• Work closely with product and design teams to deliver new features
• Improve system performance, reliability and scalability
• Participate in technical discussions and help drive engineering best practices
• Contribute to a strong engineering culture with a focus on quality and continuous improvement

Required Skills

• Strong experience with TypeScript
• Solid backend development experience with Node.js
• Experience building modern web applications
• Good understanding of cloud-native architectures and distributed systems
• Experience working in product-focused engineering teams
• Strong problem-solving skills and ability to work in a fast-moving environment
• Excellent communication skills in English

Nice to have

• React experience
• Azure experience
• Experience with AI-driven products, LLMs or generative AI solutions
• Experience from high-growth product companies or scale-ups
• Background within HealthTech, SaaS or other product-driven organizations