## About the Hiring Process When you apply, our AI-powered matching platform considers you not only for this opportunity, but also for other relevant roles across our network, so one application can unlock multiple career opportunities. We only work with real companies hiring for live positions. Every opportunity on our platform is an active search. If there's a strong match, we'll guide you through the process. If not, we won't ignore you. # About the Company Our client is delivering mission-critical technology solutions for one of Europe's leading public-sector organisations. Working within a highly secure and regulated environment, you'll contribute to enterprise applications that support large-scale operational systems while collaborating with experienced technical teams on long-term digital transformation initiatives. This is an opportunity to work on complex enterprise software with real-world impact, combining modern Microsoft technologies with long-term stability and challenging technical projects. - Location: Warsaw, Poland (On-site) - Employment Type: Contract (12 months + up to 3 annual renewals) - Level: Mid-Senior Level - Work Authorization: Candidates must be eligible to obtain Personal Security Clearance (Level 1), which typically requires EU citizenship or long-term residency and a verifiable background within the EU. # About the Role We're looking for a Software Developer with strong SharePoint and .NET expertise to build, modernize, and support enterprise applications within a highly regulated environment. You'll work across the full software development lifecycle—from architecture and development to deployment and production support—while leading technical initiatives and collaborating with cross-functional teams. # What You'll Do ### Software Development; - Design, develop, and optimize enterprise SharePoint solutions - Build full-stack applications across frontend, backend, and database layers - Develop custom SharePoint solutions using SDK, workflows, timer jobs, and features - Build .NET/.NET Core applications and SQL Server solutions ### Architecture & Technical Leadership; - Translate business requirements into technical solutions - Lead technical discussions and support development teams - Produce architecture documentation, estimates, and technical specifications - Contribute to solution design and continuous improvements ### APIs & Integration; - Develop and integrate REST APIs, HTTP APIs, and Web Services - Build scalable backend services and integrations - Manage Azure DevOps pipelines and deployment processes ### Support & Delivery; - Provide 2nd and 3rd line application support - Participate in testing, quality assurance, deployments, and change management - Troubleshoot production issues and deliver long-term solutions # What We're Looking For ## Must Have; - ICT-related Bachelor's degree (or equivalent) - 4+ years of professional software development experience - 2+ years of SharePoint development experience - Experience building custom SharePoint solutions (SDK, workflows, features, timer jobs) - Strong .NET / .NET Core and C# experience - Microsoft SQL Server and T-SQL - Azure DevOps and CI/CD pipelines - REST APIs, HTTP APIs, and Web Services - HTML, CSS, JavaScript, TypeScript, and React - UML and software design experience - Scrum / Agile development experience - Experience leading technical initiatives or development teams - Business-level English (B2+) - Relevant SharePoint or Microsoft certification - Eligibility to obtain Personal Security Clearance ## Nice to Have; - Previous experience with EU institutions or public-sector organisations - Existing security clearance - Multiple Microsoft certifications - SharePoint migration projects - Enterprise application modernization - Experience supporting mission-critical enterprise systems # What We Offer - Long-term contract (up to 4 years) - Opportunity to work on large-scale enterprise software - Stable, international working environment - Modern Microsoft technology stack - Complex technical challenges with real-world impact - Collaborative and experienced engineering teams - Professional growth within enterprise software development If you're passionate about building enterprise-grade Microsoft solutions and want to contribute to secure, large-scale systems that support critical public-sector operations, we'd love to hear from you...