Senior .NET & SharePoint Developer — Hybrid Valencia

All European Careers BENELUX; Comunidad Valenciana; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

We are looking for an experienced Senior .NET & SharePoint Developer in Valencia with 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.

Qualifications

• 4+ years of relevant professional experience with advanced degree, or 10+ years with a Bachelor’s degree
• 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 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
• Fluent English

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 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 in line with security and governance standards

Skills

C#

ASP.NET

SQL Server

SharePoint Online

SPFx

Power Platform

Microsoft Graph

REST APIs

TypeScript

GitHub Copilot

Education

Advanced degree in Computer Science or related field

Bachelor's degree with 10+ years of experience

Tools

SPFx

GitHub Copilot

Microsoft Graph

OpenText Content Server

Azure

Job description

We are looking for an experienced Senior .NET & SharePoint Developer in Valencia with 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.