Senior .NET Backend Engineer: APIs, SQL & Caching (Onsite)

Penta Consulting is seeking a Senior .Net Developer to join a client team in Johannesburg on a 6 month extendable contract, with on‑site work 4 days a week. You will design and maintain scalable backend systems and APIs using .NET Core, and optimize SQL Server databases for performance.

The role also involves implementing distributed caching, collaborating with frontend teams, and leveraging technologies like ElasticSearch and Redis to improve search capabilities and application responsiveness.