PHP/C Developer

We unite exceptional builders: engineers, architects, creators, across the BENELUX and the GCC. Vetted through VECTOR7 ‘s multi-signal evaluation, you evaluate once and carry that credential forever. This is more than work. This is where builders build the future. About the Role

RELYzIT Talent is seeking an elite PHP/C Developer for a high-impact freelance assignment with our client, a key player in public safety and digital transformation. You’ll join a multidisciplinary team driving the modernization of mission-critical police information systems, directly shaping the future of secure, accessible data for law enforcement. This is your opportunity to architect, build, and optimize solutions that matter - where your code empowers smarter, safer communities. Why This Role Matters

Our client is on a mission to eliminate legacy mainframe dependencies and unlock the power of modern, open architectures. By migrating essential police data and applications to scalable platforms, you’ll enable advanced analytics, AI, and intelligence-led policing. Your expertise will ensure that vital information is accessible, secure, and future-ready - making a tangible impact on public safety and operational excellence. What You’ll Be Doing

• Design, develop, and test robust PHP and C applications based on detailed functional and technical analyses
• Drive the evolution and quality of high-availability applications in a demanding, mission-critical environment
• Collaborate closely with functional analysts to translate user requirements into scalable technical solutions
• Monitor emerging technologies and provide expert technical advice to guide architectural decisions
• Propose and implement improvements to existing systems, ensuring continuous optimization and innovation
• Prepare and maintain comprehensive technical documentation for all developed solutions
• Deliver expert-level maintenance and third-line technical support for deployed applications
• Champion best practices in security, reliability, and performance across all development activities

• Expertise in PHP (versions 5.6, 7, and 8) and C programming at the server level, including asynchronous/threaded programming
• Strong command of JavaScript, C#, and Xamarin
• Proficiency with web services (REST, SOAP) integration in PHP applications
• Experience with AngularJS, Ajax, JQuery, and PHP frameworks (especially CodeIgniter)
• Solid understanding of Linux RedHat server environments
• Advanced knowledge of network protocols, particularly TCP/IP
• Version control with GIT and familiarity with DEVO

What We’re Looking For

• Builder mindset: proactive, autonomous, and driven by ownership
• Proven ability to deliver high-quality, scalable solutions in complex environments
• Strong analytical and problem-solving skills, with a creative and constructive approach
• Excellent written and verbal communication skills
• Team-oriented, collaborative, and able to thrive in multidisciplinary settings
• Methodical, accurate, and able to clearly document and report results
• Adaptable and resilient under pressure, with a customer-focused attitude, * Partial remote: Onsite presence required at least 2 days per week (telework permitted within Belgium)
• Experience working in multidisciplinary teams with both internal and external stakeholders
• Language proficiency: Professional fluency in English required; knowledge of French or Dutch is a plus

Ready to build the future with RELYzIT Talent? Upload your CV now and join a community where elite builders drive real-world impact.