🚀 Liège (Belgium) | Freelance-to-Permanent Opportunity | Lead Senior Full Stack - Freelance

I’m currently recruiting for a large international industrial group based in Liège.

👉 This is a freelance mission with a pre-hire perspective: the goal is to onboard the right person as a permanent employee after an initial freelance period.

👉 Please apply only if you are available to work on-site in Liège at least 3 days per week and have experience in both back-end and front-end development.

🌍 Context

You will join the IT Department within the Governance & Corporate Functions division (Finance, Procurement, HR, internal management applications).

Strategic environment:

• Ongoing ERP migration to SAP

• Strong reinforcement needed on a B2B Supplier application

• Modernization of critical business applications

• Tech stack: Angular (actively evolving toward Angular 18) & .NET Core 8

The company is currently strengthening and expanding its Angular 18 ecosystem as part of its long-term front-end strategy.

🎯 Your Role

As a Lead Senior Full Stack Developer, you will play a key role in designing, developing, and evolving internal and customer-facing applications related to Procurement and Finance, in an international context (including coordination of remote teams).

Your responsibilities:

• Translate business needs into technical solutions

• Design scalable and robust architectures

• Develop front-end applications (Angular 2+, moving toward Angular 18)

• Develop back-end services (.NET / C# – .NET Core 8)

• Ensure code quality, performance, and security

• Lead code reviews and mentor developers

• Coordinate and guide an offshore development team

• Work in Agile sprints, closely with business stakeholders

🛠 Technical Requirements

• 5+ years of experience in application development, including technical leadership

• Strong expertise in Angular (2+)

• Excellent knowledge of .NET / .NET Core / C#

• REST APIs, JSON, Web Services

• Solid database experience

• Git & CI/CD

• Software architecture background

• Docker, Kubernetes, AWS are a plus

• Strong focus on software quality (unit & integration testing)

• Professional English required

🌟 Soft Skills

• Natural leadership & team alignment

• Pragmatic and solution-oriented

• Clear communication & assertiveness

• Autonomous and results-driven

• High standards and rigor