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Senior Software Developer C#

📍 Location
oslo
⏰ Job Type
Full-time
📅 Posted
June 20, 2026

About the Role

Job Duties

Landmark, a Halliburton company, builds the software and data platforms that help the global energy industry make better decisions. Our products span subsurface interpretation, well construction planning, reservoir simulation, and digital operations — tools used daily by engineers and scientists at the world’s largest energy companies. We are investing significantly in our engineering capability in Oslo, and these roles are part of building a permanent, locally-owned engineering organization to take long-term ownership of the platform.

We are hiring experienced C# developers to build and evolve the .NET services at the core of the platform. These are backend roles on services that handle demanding, domain-rich workloads in the energy space — services that need both ongoing feature development and the careful maintenance that keeps a production platform reliable. Parts of the codebase are written in F#, so comfort with — or a willingness to pic...

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