Expert full stack developer Start: Between April/May 2026 Duration: 12 months Location: Brussels area - 2-3 days onsite per week (accessible via public transport), possibly more depending on team or project needs Availability: Candidates must be available from April 2026 Hybrid: Brussels, Belgium urgent 12 month contract - role hiring now This is a *Belgium* based role with an excellent immediate start within a Global Consulting company working on *contributing to the redevelopment of a complex enterprise application into a modern MicroServices architecture while working within an Agile Scrum environment. Overview We are looking for Expert Full Stack Developers (10+ years proven experience) to join a large-scale strategic digital transformation programme. This role involves contributing to the redevelopment of a complex enterprise application into a modern MicroServices architecture while working within an Agile Scrum environment. Project context You will contribute to a strategic project rewriting a monolithic enterprise application into a MicroServices-based architecture, including integration of externally developed modules. The application environment includes functionality comparable to Payments, accounts, and reimbursements management Accounting and financial process management Team structure & collaboration Work within priority functional streams such as: Accounting management Transactions and orders management Rules management Interfaces management Coordination with a Lead Developer overseeing production rollout of developments Follow guidance from lead testers for integration testing activities Align with QA guidelines defined by a central quality assurance team Participate in an established developer network Key responsibilities Actively participate in Scrum team dynamics Deliver analysed developments and conduct unit testing Collaborate continuously with analysts, testers, and other developers Ensure quality, technical precision, and proactive problem anticipation Support knowledge transfer to junior colleagues Contribute to integration testing and production readiness Mandatory experience Minimum 10 years' experience in a similar Full Stack development role Strong experience working in Agile/Scrum teams Proven experience delivering previously analysed developments and performing unit testing Experience collaborating closely with functional analysts, testers, and cross-functional teams Demonstrated technical rigour, quality focus, organisational flexibility, and strong inter-team communication Ability to mentor or transfer knowledge to junior developers Language requirements Native French or Dutch required Fluent English required EU Nationality required Please send your CV or call yasin to discuss further. We are an equal opportunities employment agency and welcome applications from all suitably qualified persons regardless of race, sex, disability, religion/belief, sexual orientation, or age. We champion differences in technology recruitment and work with clients who actively wish to diversify their talent force - all applicants are welcome to apply.