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RELYzIT

Senior Software Developer

Hybrid

Brussels, Belgium

Senior

Full Time

08-09-2025

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Skills

Communication Teamwork SQL Scrum Problem-solving Architecture Databases Agile HR Management

Job Specifications

Senior Windev Developer (Freelance) - 6 Months - Brussels Belgium

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(tm) 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 are seeking a Senior Windev Developer (Freelance) to join our client's high-impact Scrum team in Brussels for a 6-month engagement. You'll play a pivotal role in shaping and maintaining mission-critical HR applications for leading Social Security institutions. This is your opportunity to drive real-world impact, collaborating with top-tier talent and contributing to solutions that matter.

Why This Role Matters

As a Senior Windev Developer, you will be at the heart of digital transformation for essential public services. Your expertise will ensure the reliability, scalability, and innovation of applications that support thousands of users. The stakes are high: your work will directly influence the efficiency and effectiveness of HR processes across major institutions, making a tangible difference in people's lives.

What You'll Be Doing

Designing, developing, and maintaining advanced HR management applications using Windev.
Taking ownership of new feature development based on project priorities set by the team lead.
Conducting rigorous testing of functionalities developed by peers to ensure quality and reliability.
Participating in operational follow-up and providing on-site maintenance or intervention at client locations as needed.
Actively contributing to team brainstorming sessions on the architecture and design of new modules.
Collaborating within a Scrum framework, ensuring agile delivery and continuous improvement.

What We're Looking For

Proven expertise in Windev development, with a strong track record in building and maintaining management applications (procedural and object-oriented).
Deep knowledge of relational databases and advanced SQL skills.
Experience working in Agile/Scrum teams, with a builder's mindset focused on outcomes and impact.
Autonomous, methodical, and able to prioritize effectively in a fast-paced environment.
Passionate about new technologies, with a drive for continuous learning and knowledge sharing.
Excellent communication skills and a user-centric approach to problem-solving.

Technical Skills

Windev (Expert level)
Relational Databases (Expert level)
SQL (Expert level)

Language Proficiency

Dutch: Native
English: Active knowledge
French: Active knowledge (passive understanding required)

Other Requirements

Degree in Computer Science or equivalent professional experience
Strong teamwork and collaboration skills
Empathy for end users and a commitment to delivering high-quality solutions
On-site presence in Brussels required (no remote option)

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

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About the Company

At RELYzIT, we are on a mission to revolutionize businesses in the digital age by empowering them with cutting-edge technology solutions. Our extensive range of services, including blockchain-based solutions, Cloud, Security, Infrastructure, Data Science and Engineering, and Web Development, enables us to create a lasting impact. With our innovative blockchain-based solutions, we unlock a world of possibilities for businesses, enhancing efficiency, transparency, and security. Our expert team crafts secure, decentralized sys... Know more