DEME Group · Standplaats: Zwijndrecht · 21 mei 2026
Summary
We are looking for a senior .NET developer with a strong backend focus and solid frontend knowledge, who enjoys working both on existing (legacy) applications and on the modernization towards future‑proof solutions. You will play a key role in maintaining business‑critical systems and gradually shaping the technical future of our application landscape.
DEME General
ICT
Belgium
Contribute to frontend development using React and/or Blazor, in collaboration with designers and other developers.
Ensure code quality through testing, reviews and documentation.
Act as a senior reference point in the team and mentor less experienced developers.
Think along about technical direction, architecture and future evolutions.
7-10 years of experience as a developer in a .NET environment.
Strong experience with .NET Core, C#, ASP.NET, Entity Framework.
Experience with React and/or Blazor.
Familiarity with legacy Microsoft technologies (WPF / WinForms) or a strong willingness to learn and work with them.
Experience with REST APIs and application security concepts.
Experience with CI/CD and Git; knowledge of containerization (Docker, OpenShift, Kubernetes) is a plus.
Interest in cloud technologies (Azure is a plus).
Strong problem‑solving skills, autonomous working style and sense of ownership.
Ability to reflect on complex problems and know when to seek alignment.
Fluent in English; Dutch is a plus.
A comprehensive mobility program that supports work-life balance.
Continuous learning and professional development opportunities.
A dynamic, innovative environment with real opportunities for growth.
A people-centric culture with a strong focus on wellbeing and health initiatives.
01
Apply
Click the Apply button above and send in your application.
02
Invite
We'll review your application. If there's a match, you'll receive an invitation to meet with one of our recruiters.
03
Meet us
Either at our HQ or virtually, we'll get to know each other better and discuss your opportunities together.
04
Join our team
Where Next? Time to sign your contract and embark on your DEME journey!
The Landfall and Umbilicals Business Unit of DEME Offshore manages the entire spectrum of activities required when offshore works transition into onshore. This includes seabed preparation (pre-sweeping and/or trenching), facilitating pull-ins and restoring the site by means of backfilling. Depending on the project location and environmental guidelines, the most suitable approach is selected. To complement these activities, we also offer backfilling and pre-sweeping services in offshore waters, which are often required to protect, stabilize and maintain the integrity of pipelines and cables.
As central point of contact you will establish strong relationships with (potential) clients during the whole process. You will lead and manage a tender team through application of our tender and acquisition processes; you will motivate and empower your tender team members from the various DEME Offshore specialists support departments, such as Engineering, Legal, Insurance, Finance, Project Controls. Through facilitating excellent team communication and efficiency, you will support ownership and maximize innovation, targeting a high-quality tender submission and contract. Finally, you and the tender sponsor will take the lead in tender clarifications and negotiations with clients after the submission of the tenders.
Offshore
Commercial
Netherlands
We are looking for an enthusiastic Senior JAVA developer with Jython knowledge, to expand our small Maximo application Team - split between Zwijndrecht and Chennai.
You will be supporting current development, while also are open to a more versatile role of tackling configuration and integration demands within the platform in the future.