Senior Full-Stack Engineer: Own Architecture & AI-Driven

GCS Recruitment; Belgique; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

GCS Recruitment is seeking a Senior Full-Stack Developer to take ownership of a key product and shape its technical direction in a hybrid role based in East Flanders. You will design, build, and enhance features across the full stack while collaborating with product, engineering, and business stakeholders.

You will balance hands-on development with architectural decisions, working with AWS/Azure/GCP, NestJS, React or Next.js, and modern DevOps practices.

Qualifications

• 6+ years of professional software engineering experience.
• Strong JavaScript and TypeScript expertise.
• Hands-on development with architectural decision-making.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Experience building modern web applications using Node.js (NestJS) and React or Next.js.
• Familiarity with Docker, CI/CD, and modern DevOps practices.
• Experience with PostgreSQL or other relational databases.
• Strong communication, stakeholder management, and problem-solving skills.
• Enthusiasm for AI-powered development tools and emerging technologies.

Responsibilities

• Design, build, and enhance core product features across the full technology stack.
• Contribute to architectural decisions and technical strategy to ensure scalability and maintainability.
• Collaborate with product, engineering, and business stakeholders to deliver impactful solutions.
• Champion engineering best practices, quality standards, and modern development approaches.
• Leverage AI-powered tools and emerging technologies to improve development efficiency and outcomes.
• Support the growth and maturity of the engineering function through technical leadership and knowledge sharing.

Skills

JavaScript

TypeScript

Node.js

NestJS

React

Next.js

Docker

CI/CD

PostgreSQL

Tools

AWS

Azure

GCP

Job description

Senior Full-Stack Developer

Location: Hybrid (East - Flanders)
Employment Type: Full-Time

About the Opportunity

We're partnering with an ambitious, technology-driven organisation that is building a modern, scalable digital platform with significant growth plans. As the business continues to expand, we're seeking a Senior Full-Stack Developer to take ownership of a key product and play a central role in shaping its technical direction.

This is an exciting opportunity for an experienced developer who enjoys combining technical ownership with hands-on development. You will play a pivotal role in architectural decisions, product evolution, and the growth of the engineering function.

Key Responsibilities

• Design, build, and enhance core product features across the full technology stack.
• Contribute to architectural decisions and technical strategy to ensure scalability and maintainability.
• Collaborate with product, engineering, and business stakeholders to deliver impactful solutions.
• Champion engineering best practices, quality standards, and modern development approaches.
• Leverage AI-powered tools and emerging technologies to improve development efficiency and outcomes.
• Support the growth and maturity of the engineering function through technical leadership and knowledge sharing.

What We're Looking For

• 6+ years' professional software engineering experience.
• Strong JavaScript and TypeScript expertise.
• Proven experience balancing hands-on development with architectural decision-making.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Experience building modern web applications using Node.js (NestJS) and React or Next.js.
• Familiarity with Docker, CI/CD, and modern DevOps practices.
• Experience with PostgreSQL or other relational databases.
• Strong communication, stakeholder management, and problem-solving skills.
• Enthusiasm for AI-powered development tools and emerging technologies.

Why This Opportunity?

This is an opportunity to join a growing organisation where you'll have genuine ownership, influence, and impact. You'll work on a modern technology platform, help shape technical direction, and play a key role in the next stage of product growth.

If you're a senior Developer who enjoys solving complex challenges, taking ownership, and building scalable products in a collaborative environment, we'd love to hear from you.

GCS is acting as an Employment Agency in relation to this vacancy.