Freelance .NET Architect - Lead the Tech Behind Europe’s Energy Transition.
We’re hiring for a standout freelance opportunity with a leading European energy infrastructure operator. Step into a technical leadership role that directly supports the modernisation of critical systems powering Europe’s green energy shift.
Logistics:
* Position: Freelance .NET Architect
* Duration: 12-Month Contract (with yearly extensions)
* Location: Hybrid – 2 days onsite a week
* Languages: English (French or Dutch required)
* Start Date: ASAP
* Day Rate: € (Competitive & Negotiable)
Core Responsibilities:
* Act as the lead architect across multiple development teams working on high-impact .NET applications.
* Drive modernisation of legacy systems, guiding the migration to .NET 8 (and eventually .NET 10).
* Shape future-ready architecture strategies targeting Kubernetes adoption within 2 years.
* Coach experienced full-stack .NET teams and support complex issue resolution and scalable solution design.
* Collaborate in Agile/Scrum teams, coordinate sprint planning, and align architecture vision with product and business goals.
* Facilitate architectural workshops, technical deep-dives, and mentoring sessions.
Tech Stack You'll Influence:
* .NET 8 / .NET Framework 4.x
* C#, WPF, and Blazor (a plus)
* SQL / MongoDB
* RabbitMQ, Hangfire
* Clean Architecture, NServiceBus → Dapr
* Kubernetes (target)
What You Bring:
* 4+ years of experience as a .NET Architect working in complex, enterprise environments.
* Strong coaching, communication, and leadership capabilities across multiple dev teams.
* Expertise in clean architecture, microservices, and scalable backend ecosystems.
* Ability to challenge technical and product decisions constructively and translate complex topics to non-technical stakeholders.
* Hands-on, structured, and pragmatic approach to architecture and technical problem-solving.
* EU work authorisation or relevant permits (mandatory for non-EU consultants based in Belgium).
Bonus Points For:
* Experience modernising legacy desktop applications (WPF)
* Background in energy, infrastructure, or industrial domains
* Passion for sustainable tech and digital transformation at scale
Why This Mission?
You’ll join a pioneering digital mission with real-world impact - contributing to smarter, greener infrastructure in Belgium and across Europe. Expect a collaborative, multicultural environment that values innovation, technical excellence, and personal well-being.
This is more than just architecture - it’s your chance to help shape the future of energy.
Interested? Let’s talk. Reach out to explore how this role could be your next high-impact freelance engagement.