Full Stack Developer (TypeScript + Node.js) | Up to ...

Full Stack Developer – Node.js / TypeScript (Backend-focused)

Brussels | Hybrid

Permanent contract

Up to €65k

We are looking for our client, a fast-growing European tech scale-up building next-generation integration solutions for B2B SaaS companies .

About the Role

We're looking for a Full Stack Developer (Node.js / TypeScript + React) who is autonomous, product-minded , and excited about building scalable systems in a fast-paced startup environment. If you enjoy owning backend architecture , optimizing performance, and contributing across the stack, this role is for you.

As a Full Stack Developer, you will:

✔ Design and maintain scalable backend services and REST APIs in Node.js / TypeScript

✔ Own and optimize PostgreSQL data models, queries, and architecture

✔ Build and iterate on frontend features with React / Next.js

✔ Identify and resolve performance bottlenecks across the stack

✔ Contribute to code reviews , technical documentation, and architectural decisions

Required Skills & Tech Stack

• 3+ years of full stack experience with a strong backend focus

• Strong proficiency in TypeScript & Node.js

• Solid experience with PostgreSQL ( schema design , query optimization , indexing )

• Comfortable with React and/or Next.js

• Familiarity with AWS and DevOps practices ( CI/CD , Docker )

• Python and a SaaS background are a plus

• Startup mindset and comfortable in fast-paced, evolving environments

• Fluent in French or English

What We Offer

✔ Competitive package up to €65K + ESOP (become a shareholder)

✔ Offices in southern Brussels + 2-3 days remote/week

✔ Meal vouchers, insurance, mobility & phone budget, Gymlib

✔ A genuine startup atmosphere with a steep learning curve

Ready to take on an exciting challenge with a fast-scaling fintech scale-up ? We want to hear from you!