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Senior Developer

RELYzIT · Ghent, Belgium · Posted May 11, 2026

Senior Developer (Freelance) - 5 Months - Gent, Belgium At RELYzIT Talent, we dont 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, youre not just hired, youre chosen. This is more than work. This is where builders build the future .About the Role We are seeking a Senior Developer (Freelance) for a 5-month project with our client in Gent, Belgium. This is a unique opportunity to lead, shape, and deliver high-impact web applications that drive real business outcomes. As a key builder in this project, youll be at the forefront of technical innovation, setting new standards for frontend excellence and team leadership. Why This Role Matters Our client is tackling complex digital challenges that demand robust, scalable, and user-centric web solutions. Your expertise will directly influence the success of mission-critical products, ensuring seamless integration, high performance, and future-proof architecture. This is your chance to lead a team of talented developers, coach them to new heights, and deliver solutions that matter. What Youll Be Doing Lead the development and delivery of advanced web-based applications in a production environment Coach and mentor a team of developers, fostering a culture of ownership and technical excellence Drive the implementation of user-friendly, machine-readable web layers using semantic HTML and hypermedia interactions Develop and integrate APIs, ensuring robust and maintainable connections between systems Champion performant, maintainable, and robust frontend delivery without unnecessary framework complexity Execute programming tasks efficiently: coding, testing, debugging, and optimizing for quality Collaborate in an Agile environment, taking a leading role in sprint planning, reviews, and continuous improvement Contribute to backend or full stack development as needed, ensuring end-to-end solution integrity Technical Skills Senior-level experience as a frontend developer in production environments Proven expertise in API development and integrations Hands-on experience with multiple frontend frameworks Deep understanding of semantic HTML, hypermedia, and web standards Track record of delivering performant, maintainable, and robust web applications Experience with backend or full stack development is a strong plus Language Proficiency Dutch at European CEFR level C2 (required) Other Requirements Demonstrable experience leading development teams and coaching developers Proven ability to execute programming tasks efficiently: coding, testing, debugging Strong knowledge and experience with Agile development methodologies, with the ability to take a leading roleBuilder mindset: ownership, problem-solving, and a drive for impact This is a freelance position for a 5-month project based in Gent, Belgium. Join RELYzIT Talents elite network and help shape the future of digital products across Europe and the GCC. Every candidate is vetted through our VECTOR7 Signal Stack only the top 2% of builders make the cut. Ready to build the future? Upload your CV now and join the movement. #RELYzIT #TechJobs #FreelanceTalent #Gent #Frontend #APIDevelopment #Agile #DutchC2 #WebDevelopment#TeamLead