About this role
Backend Developer C# / SQL Server at 433. Location: Amsterdam, Noord-Holland, Netherlands. Role: developing backend, building APIs, tuning queries Requirements: 3+ years building backend services with C#/.NET and SQL Server, REST APIs, performance tuning and data modeling; Umbraco and Git experience; Azure/observability a plus; bachelor-level education preferred; English fluency; Amsterdam-based (2–3 days onsite). Category: Software Development Seniority: Mid Level Tools: C#, .NET, SQL Server, REST APIs, Umbraco, Git, Azure, Application Insights, Segment, Airship, Branch.io Commitment: Full Time, Contract Workplace: Hybrid Languages: English