> Markdown version of [/jobs/ext/4697630-senior-net-backend-engineer-cloud-security-focus](https://www.wearedevelopers.com/jobs/ext/4697630-senior-net-backend-engineer-cloud-security-focus). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Backend Engineer - Cloud & Security Focus - **Company:** Axpo Group - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, Microsoft Azure, C Sharp (Programming Language), Cloud Computing Security, Software Engineering, Delivery Pipeline, Backend, Kubernetes, Docker - **Published:** November 13, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-net-backend-engineer-cloud-security-focus--madrid--eebcfb868e4c17af778dea1ba2f7b70fb ## About the Role You will collaborate with product and tech leads, drive architectural decisions, and contribute to deployment pipelines and tooling using .NET/C#, Azure, Docker, and Kubernetes. Fluency in English is required. ## Description Axpo Group is seeking a Software Engineer to join a cross-functional team in Madrid. You will design, develop, and improve backend services across the full software lifecycle, with a strong focus on scalable, secure systems. You will collaborate with product and tech leads, drive architectural decisions, and contribute to deployment pipelines and tooling using .NET/C#, Azure, Docker, and Kubernetes. Fluency in English is required.