Senior Backend Engineer (Switching Systems), Cape Town

# Senior Backend Engineer (Switching Systems)This job is published by an external platform.|

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|| --- | --- || Location | Cape Town, South Africa || Contract | Full time || Work Model | Hybrid || Closing | in about 1 month |**Job Title:** Senior Backend Engineer (Switching Systems)**Location:** Cape Town, South Africa (Hybrid or On-site)

**Role Overview**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, gRPC, 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 availability and graceful degradation*** Implement robust retry, backoff, and circuit-breaking mechanisms* Debug complex production issues in distributed systems**Backend Engineering*** Build and maintain backend services and APIs* Work with data stores (relational and/or NoSQL) to support high-scale workloads* Contribute to system design, code reviews, and engineering standards**Infrastructure&Observability*** Collaborate on deployment architecture (cloud or hybrid environments)* Implement monitoring, logging, and tracing for critical paths* Improve system visibility and operational readiness**Experience*** 5–8years of backend software engineering experience* Proven experience building **high-throughput, low-latency systems*** Experience working on **switching, routing, or real-time processing systems** (telecom, payments, networking, or similar domains)**Key Competencies** **1. Technical Skills**

* Strong proficiency in one or more backend languages e.g., Go, Java, C, Rust, or similar* Deep understanding of **concurrency, multithreading, and asynchronous systems*** Experience with **network protocols and system-level behavior*** Solid understanding of **distributed systems fundamentals*** Experience with **databases under high load****2. Systems Thinking*** Ability to reason about **failure modes, edge cases, and system limits*** Strong debugging and performance tuning skills* Focus on building **resilient, production-grade systems****Nice to Have*** Experience with **telecom switching (e.g., SS7, SIP)** or **payment switching (e.g., ISO 8583)*** Experience with **event-driven architectures or streaming systems** (e.g., Kafka)* Familiarity with **kernel-level or systems programming concepts*** Experience in regulated or mission-critical environments#J-18808-Ljbffr