ClickHouse is seeking a Senior Software Engineer specializing in C# integrations to build and maintain.NET-based integrations with the company's open-source column-oriented database system. The role involves crafting tools that enable C# developers to harness ClickHouse's incredible speed and scale, and collaborating closely with the open-source community, internal teams, and enterprise users to ensure high performance, reliability, and developer experience. Requirements 5+ years of software development experience focusing on building and delivering high-quality, data-intensive solutions in the.NET ecosystem. Strong proficiency in C# and.NET, including advanced knowledge of memory management, performance tuning, profiling, and debugging with tools like PerfView, dotMemory, or Visual Studio Diagnostic Tools. Deep experience with.NET data access technologies: ADO.NET, Entity Framework Core, Dapper, and other popular ORMs. Experience with.NET Framework and.NET Core/5+ ecosystems, including cross-platform development, NuGet package management, and modern C# language features. Expertise in asynchronous programming and concurrent patterns in C#, including Task Parallel Library (TPL), async/await patterns, and high-throughput data processing scenarios. Strong understanding of database concepts: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases. Experience integrating with popular.NET frameworks: ASP.NET Core, Blazor, WPF, and understanding of dependency injection patterns and middleware pipelines. Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering functions. Passion for open-source development: actively engaging with the OSS community, advocating for users, and influencing the evolution of the core system through your contributions. Benefits Flexible work environment Healthcare - Employer contributions towards your healthcare Equity in the company - Every new team member who joins our company receives stock options Time off - Flexible time off in the US, generous entitlement in other countries A $500 Home office setup if you’re a remote employee Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites Originally posted on Himalayas