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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Sharepoint Developer - **Company:** UST - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** ASP.NET, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Microsoft Windows, Application Programming Interfaces (APIs), Application Integration Architecture, Application Lifecycle Management, C Sharp (Programming Language), Code Review, Databases, Relational Databases, Java Web Services, Microsoft SQL Server, Windows PowerShell, Release Management, Microsoft SharePoint, Software Engineering, Solution Deployment Descriptor, TypeScript, Web Services, Enterprise Software Applications, .NET Core, DevOps Tools - Open-source, ReactJS, Gitlab, Codebase, Software Version Control, Web Api - **Published:** September 18, 2026 - **Apply:** https://www.tecnoempleo.com/senior-sharepoint-developer-ust/c-net/rf-f71d1cec027423921548 ## About the Role Several years of hands-on experience with SharePoint On-Premises development and support. - Strong understanding of SharePoint architecture, including: - Sites - Lists & Libraries - Permissions - Workflows - Web Parts - Solution Deployment - Strong experience with C# and .NET technologies. - Experience with SQL Server and relational databases. - Experience integrating applications via APIs and Web Services. - Solid understanding of software engineering principles, source control, testing, deployment, and application lifecycle management. - Experience maintaining and troubleshooting legacy codebases. - Strong analytical and problem-solving skills. - Experience working in large-scale enterprise environments. - Excellent communication and collaboration abilities. - Fluent English. Nice to Have: - Experience with Java and Java-based applications. - Experience with .NET Core / ASP.NET Core. - Knowledge of JavaScript, TypeScript, and React. - Experience with SharePoint modernization or migration projects. - Knowledge of SharePoint Online / Microsoft 365 environments. - Experience with GitLab, CI/CD pipelines, or similar DevOps tooling. - PowerShell scripting and automation experience. - Experience working within highly regulated industries, especially financial services. - Understanding of secure software development and application risk management. ## Description We are seeking a highly skilled professional with strong expertise in SharePoint On-Premises development and maintenance, combined with solid .NET/C# development experience. The ideal candidate will be comfortable working with both modern and legacy technologies, supporting business-critical applications while contributing to modernization initiatives in a complex enterprise environment., Develop, maintain, enhance, and troubleshoot SharePoint On-Premises solutions. - Design and implement custom SharePoint components, workflows, integrations, and application functionality. - Analyze existing SharePoint applications and implement technical improvements. - Support application lifecycle activities including upgrades, patching, migrations, testing, and deployments. - Develop and maintain .NET/C# components and services within the application landscape. - Integrate SharePoint with enterprise applications through APIs, web services, and databases. - Contribute to modernization initiatives and gradual replacement of legacy applications. - Perform root-cause analysis and resolve complex production incidents. - Ensure solutions comply with security, stability, performance, maintainability, and compliance requirements. - Create and maintain technical documentation and development standards. - Collaborate with business analysts, architects, infrastructure teams, security teams, and external providers. - Participate in code reviews, testing, release management, and continuous improvement activities. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Project Fugu: Extending the web](https://www.wearedevelopers.com/videos/832-project-fugu-extending-the-web) - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)