multi-tenant data platform services: data ingestion, schema management, effective dating, snapshots, calculated fields, and exports. Work hands-on with .NET 8/C#, PostgreSQL, EF Core, Dapper, MediatR (CQRS), and RabbitMQ (MassTransit) event-driven workflows. Optimise performance-critical paths: bulk ingestion, large data exports, memory-efficient streaming, and complex … code reviews. Skills & Experience What you'll bring Demonstrated senior-level experience building production backend services with .NET/C#. Strong SQL and PostgreSQL skills: schema design and query optimisation. Proven performance and memory awareness - streaming vs. buffering, profiling and load-testing skills - and the ability to judge whether ...