SharePoint Developer

Billennium is a global technology company specializing in digital transformation, cloud solutions, and modern workplace platforms. The role focuses on developing digital workplace solutions based on SharePoint Online, Microsoft 365, and Azure cloud services, supporting Workforce Planning & Analytics processes.

• Strong experience with .NET 8 / ASP.NET Core Web API and C#
• Hands-on experience with TypeScript and React (modern frameworks)
• Experience designing REST APIs and distributed web applications
• Knowledge of EF Core and SQL Server / Azure SQL including query optimization basics
• Familiarity with Azure services (App Service, Functions, Application Insights)
• Experience with Azure DevOps, CI/CD pipelines (YAML), and Git workflows
• Understanding of Azure AD and role-based security models
• Experience with modern UI libraries (Fluent UI and/or KendoReact)
• Knowledge of architecture patterns (CQRS, MediatR)
• Experience working in Agile/Scrum environments
• Strong problem-solving skills and full-stack mindset

Nice to have:

• Experience with Azure Functions (v4)
• Familiarity with TanStack React Query and caching strategies
• Experience with SharePoint / SPFx development
• Knowledge of performance tuning in distributed systems
• Experience improving CI/CD and release automation processes

• Develop modern web applications using frontend frameworks integrated with cloud-based APIs
• Build SharePoint Online components using SPFx (React, TypeScript, Fluent UI)
• Design and develop custom APIs and backend services in Azure (App Services, Functions, Logic Apps, Cosmos DB)
• Automate processes and maintenance using PowerShell (PnP cmdlets)
• Support integrations between on-premises systems and cloud environments
• Participate in troubleshooting and collaborate with Microsoft Support
• Ensure solutions meet internal standards and frameworks
• Work closely with stakeholders and contribute to solution design and improvements

Informujemy, że administratorem danych jest Billennium S.A. z siedzibą w Warszawie, ul. Koszykowa 61. Podanie danych obowiązkowych jest wymagane na podstawie prawa pracy. Dane osobowe przetwarzane będą w celu realizacji rekrutacji i do czasu zakończenia postępowania oraz przez okres możliwości dochodzenia roszczeń. Zgoda na przetwarzanie danych dodatkowych może być wycofana w dowolnym momencie. Odbiorcą danych jest serwis Just Join IT oraz powierzone podmioty związane z rekrutacją.