Full Stack Developer (TypeScript & Node.js) – Up to €65k – Hybrid

About the role

We are seeking a Full Stack Developer with strong backend focus to join a fast‑growing European tech scale‑up that builds next‑generation integration solutions for B2B SaaS companies. The role is based in Brussels with a hybrid work model.

Key responsibilities

• Design, develop and maintain scalable backend services and REST APIs using Node.js and TypeScript.
• Own and optimise PostgreSQL data models, queries and overall database architecture.
• Build and iterate on frontend features with React and Next.js.
• Identify and resolve performance bottlenecks across the full stack.
• Participate in code reviews, write technical documentation and contribute to architectural decisions.

Required profile

• Minimum 3 years of full‑stack development experience with a backend emphasis.
• Product‑mindset and ability to work autonomously in a fast‑paced startup environment.
• Fluent in English or French.

Required skills

• TypeScript
• Node.js
• PostgreSQL (schema design, query optimisation, indexing)
• React or Next.js
• AWS and DevOps practices (CI/CD, Docker)
• Python (optional)

What we offer

• Competitive salary up to €65,000 per year plus employee stock ownership plan.
• Hybrid work: 2‑3 days remote per week and office in southern Brussels.
• Meal vouchers, insurance, mobility and phone budget, Gymlib membership.
• Startup atmosphere with steep learning curve and growth opportunities.