Engineer Full-Stack (Freelance) - 2 Months - Brussels

Where Builders Build the Future

At RELYzIT Talent, we don’t recruit — we build. We unite the top 2% of builders — engineers, architects, creators — into a movement across Europe and the GCC. Vetted through our VECTOR7™ Signal Stack, you’re not just hired, you’re chosen. This is more than work. This is where builders build the future.

About the Role

We’re seeking a Full-Stack Engineer (Freelance) for a high-impact, 2-month project in Brussels with our client. This is your opportunity to join a mission-critical initiative, shaping digital products that drive real business outcomes. As a RELYzIT Talent builder, you’ll be at the heart of innovation, delivering solutions that matter.

Why This Role Matters

Our client is tackling a pivotal digital transformation, and your expertise will be key to accelerating their product roadmap. You’ll solve complex technical challenges, enable seamless user experiences, and ensure robust, scalable solutions. The stakes are high: your work will directly influence business growth and user satisfaction.

What You’ll Be Doing

• Designing, developing, and deploying full-stack web applications from concept to production
• Collaborating with cross-functional teams to define, build, and deliver new features
• Ensuring code quality, performance, and scalability through best practices and code reviews
• Integrating APIs and third-party services to enhance product capabilities
• Troubleshooting, debugging, and optimizing applications for maximum speed and efficiency
• Driving continuous improvement and innovation within the development process

What We’re Looking For

• Proven experience as a Full-Stack Engineer, with a strong portfolio of delivered projects
• Ownership mindset: you take initiative, drive outcomes, and thrive in fast-paced environments
• Problem-solving attitude: you tackle challenges head-on and deliver impactful solutions
• Collaborative spirit: you communicate clearly and work seamlessly with diverse teams
• Adaptability: you embrace change and continuously seek to learn and improve

Technical Skills

• Expertise in JavaScript/TypeScript and modern frameworks (React, Angular, or Vue.js)
• Strong backend development skills (Node.js, Express, or similar)
• Experience with RESTful APIs and microservices architecture
• Database proficiency (SQL and/or NoSQL)
• Familiarity with CI/CD pipelines and cloud platforms (AWS, Azure, or GCP)
• Version control with Git

Language Proficiency

• Fluent in English (written and spoken)
• French or Dutch proficiency is a strong advantage

Other Requirements

• Freelance position – 2 months, based in Brussels
• Experience working in Agile/Scrum environments
• Availability to start immediately or within short notice
• Eligible to work in Belgium

Ready to build the future with us? Upload your CV and join the movement of elite builders at RELYzIT Talent.

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