Senior backend engineer (switching systems)

Location: Cape Town, South Africa (Hybrid or On‑site)

We are looking for a Senior Backend Engineer to design and build high‑performance switching systems that route, process, and manage real‑time transactions or communications at scale. This role is deeply technical and backend‑focused, requiring strong experience in low‑latency systems, concurrency, and reliability engineering . You will play a key role in building the core systems that power critical flows in our platform. Key Responsibilities Core Systems & Switching Logic Design and implement switching/routing engines for high‑throughput, low‑latency systems Build systems that handle real‑time decisioning, routing, and failover Develop and maintain protocol‑level integrations (e.g., TCP/IP, HTTP, g RPC, or domain‑specific protocols) Ensure correctness, ordering, and idempotency in transaction flows Performance & Reliability Optimize systems for latency, throughput, and fault tolerance Design for high avail...