We are looking for an experienced Senior .NET & SharePoint Developer in Valencia with strong hands-on expertise in C#, .NET, SharePoint Online and Microsoft 365 technologies.

You will design, develop and support enterprise applications and document management solutions using C#, ASP.NET, SQL Server, SharePoint Online, SPFx, Power Platform and REST APIs, with a strong focus on integration, workflow automation and production support.

Valencia, Spain – Hybrid, 2–3 days onsite per week – Fluent English

European candidates are welcome to apply and should be willing to relocate to Valencia if they are not already based in the Valencia area.

Tasks and Responsibilities

- Design, develop, test and support enterprise applications using C#, ASP.NET, .NET, SQL Server and REST APIs;
- Design and enhance SharePoint Online document management solutions, including libraries, metadata, content types, permissions, search and collaboration features;
- Develop SharePoint customizations using SharePoint Framework (SPFx), JavaScript/TypeScript, Microsoft Graph and REST APIs;
- Build workflow and automation solutions with Power Automate and Power Apps;
- Integrate SharePoint Online with Microsoft Teams, OneDrive, Microsoft 365, Azure-based services and other enterprise applications;
- Support the complete solution lifecycle, including requirements analysis, technical design, development, testing, deployment and production troubleshooting;
- Provide targeted development and support for OpenText Content Server / Extended ECM, including integrations, metadata, permissions and workflows;




- Apply secure development practices and use AI-assisted development tools such as GitHub Copilot or similar platforms in line with security and governance standards.

Profile

- Advanced university degree in Computer Science, Information Systems, Engineering or a related field with 4 years of relevant professional experience, or a Bachelor's degree with 10 years of relevant professional experience;
- Strong hands-on experience with C#, ASP.NET, .NET/.NET Framework, SQL Server, Web Services and REST API development;
- Advanced experience implementing and customizing SharePoint Online for document management and collaboration;
- Strong development experience with SharePoint Framework (SPFx), JavaScript/TypeScript, Microsoft Graph and REST APIs;
- Experience with Power Automate, Power Apps and Microsoft 365 integrations;
- Experience integrating SharePoint Online with Teams, OneDrive, Azure-based services and enterprise platforms;
- Strong knowledge of secure coding, SDLC, source control, deployment pipelines, testing and production support;
- Experience using AI-assisted development tools such as GitHub Copilot, Microsoft Copilot or similar platforms;
- Strong analytical, communication and stakeholder-management skills in multicultural and multi-project environments;
- Fluent English, both written and spoken.

Experience with OpenText Content Server / Extended ECM, particularly integrations, metadata, workflows, permissions and enterprise content services, would be an advantage.

Key Technologies & Skills

C#, .NET, ASP.NET, SharePoint Online, SharePoint Framework (SPFx), SQL Server, Power Automate, Power Apps, Microsoft 365, Microsoft Graph, REST APIs, TypeScript, GitHub Copilot, OpenText Extended ECM

📌 Senior .NET & SharePoint Developer – Hybrid Valencia (Comunidad Valenciana)
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📍 Comunidad Valenciana