Backend Software Engineer (Node.js & TypeScript)

About the role

We are looking for a Backend Software Engineer to join a fast‑growing AI‑focused SaaS company. You will help build and scale a next‑generation digital platform that combines automation, data and AI‑driven technologies.

Key responsibilities

• Design, develop and maintain backend services using TypeScript and Node.js.
• Implement scalable APIs and improve system performance, reliability and architecture.
• Collaborate with product and engineering teams on feature planning, technical decisions and prioritisation.
• Contribute to technical discussions and influence the product roadmap.

Required profile

• Master’s degree in Computer Science, IT or equivalent experience.
• Minimum 5 years of professional backend development experience in JavaScript.
• Strong expertise with Node.js and TypeScript.
• Proven ability to design scalable backend solutions and APIs.
• Fluent English communication skills.

Required skills

• Node.js
• TypeScript
• JavaScript
• API design and development

What we offer

• Competitive salary €70,000‑€90,000 per year.
• Stock options in a fast‑growing company.
• Opportunity to work with cutting‑edge AI models and technologies.
• Hybrid work model with flexible hours.
• Modern office in Leuven and a strong team culture.