Skills

C# CI/CD Docker Scrum Databases git Azure Agile .NET CI/CD Pipelines

Job Specifications

We are supporting a major utilities partner on several business-critical digital initiatives, including core system modernization and the evolution of customer- and operator-facing platforms. We are looking for an experienced .NET Developer with a strong understanding of Microsoft frontend technologies to join a long-term delivery environment.

Logistics

Role: Freelance .NET Developer
Contract: 12–24 months
Location: Brussels (Hybrid – 2 days/week on-site)
Languages: English + French or Dutch
Start Date: ASAP / Flexible
Rate: €(Competitive & negotiable)

Responsibilities

Design, develop, and maintain backend services using .NET / C#
Contribute to greenfield development and modernization initiatives
Translate complex business requirements into scalable technical solutions
Build and maintain frontend components using Blazor and/or WPF
Apply clean code practices, testing standards, and collaborative development
Support modular, maintainable system architectures
Integrate solutions into CI/CD pipelines and modern deployment environments
Participate in code reviews, agile ceremonies, and technical discussions
Collaborate across teams to ensure end-to-end solution quality

Required Skills

5+ years of experience as a .NET Developer
Strong expertise in C# and the .NET ecosystem
Hands-on experience with Blazor and/or WPF
Solid knowledge of REST APIs and relational databases
Experience with CI/CD tooling and Git-based workflows
Familiarity with Docker and modern deployment practices
Comfortable working autonomously in Agile/Scrum teams
Experience on large, business-critical systems

Nice to Have

Experience in the utilities or energy sector
Exposure to legacy modernization or migration projects
Knowledge of Azure or cloud-native environments
Familiarity with messaging or event-driven architectures
Awareness of enterprise security and performance considerations

Interested? Get in touch to discuss the role and next steps.

About the Company

Apollo Solutions specialises in Corporate Governance and Technology recruitment within our core hubs in the UK, the EU and the US. It is what we know, and we do it well. Founded in 2008, we have over 25 driven and knowledgeable consultants partnering with businesses – from start-ups to sector-leading companies - to grow their teams with the right people, and work smarter, faster and better. We pride ourselves on building long-term partnerships with clients and candidates, using our strong industry network, expert market kno... Know more