OutSystems Developer

We are looking for an experienced Freelance Low-Code Developer with strong expertise in OutSystems and a solid background in traditional programming (e.g., PHP). The primary objective of this role is to modernize existing systems by developing scalable low-code solutions while progressively phasing out legacy codebases. The role offers 2 days of remote working and only English is required.

Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.

Key Responsibilities

• Design, develop, and deploy applications using the OutSystems platform
• Analyze existing legacy systems (including PHP-based applications) and define migration strategies
• Refactor or replace legacy code with efficient, maintainable low-code solutions
• Collaborate with business stakeholders to translate requirements into technical solutions
• Ensure high performance, security, and scalability of applications
• Conduct testing, debugging, and optimization of applications
• Maintain documentation for developed solutions and migration processes
• Support continuous improvement of development practices and standards

Required Skills & Experience

• Proven experience with OutSystems development (certification is a plus)
• Strong background in traditional programming languages, particularly PHP
• Experience in modernizing or migrating legacy systems to low-code platforms
• Solid understanding of software architecture and integration patterns
• Familiarity with APIs, xlxgzvr databases, and system integrations
• Strong problem-solving skills and ability to work independently
• Excellent communication skills in a collaborative environment

Working Conditions

• Hybrid setup: 3 days per week on-site in Leuven, 2 days remote
• Initial 6-month freelance contract with strong possibility of extension up to 2 years
• Opportunity to play a key role in a large-scale digital transformation initiative