Senior Backend Architect (Real Time Systems)

We are recruiting a Senior Backend Architect (Real-Time Systems) for one of our clients, a well-known information technology company based in Muscat, Oman. About Our Client: Our client is a leading information technology company based in Muscat, Oman, known for delivering innovative and reliable technology solutions across various industries. With a strong focus on quality, efficiency, and customer satisfaction, the company specializes in developing customized software, digital transformation solutions, and scalable platforms tailored to meet evolving business needs. Key Responsibilities: Design and own the end-to-end architecture for a real-time, event-driven backend serving Define data models and streaming topologies Create blueprints for stateful stream processing Architect for deterministic low latency (<50ms p99) by optimizing garbage collection, lock-free data structures, and CPU caching behavior Design data partitioning and replication strategies for both hot and warm storage Set coding standards for non-blocking I/O Lead architectural reviews to ensure real-time SLAs are met under peak load Create runbooks for real-time debugging (async stack traces, latency flame graphs) Requirements 8+ years of backend development, with 3+ years specifically in real-time or low-latency systems Strong hands-on backend architecture and system design experience Proven experience building or leading high-concurrency, low-latency systems Strong understanding of concurrency, race conditions, atomic operations, consistency, idempotency, and fault tolerance Experience with real-time or event-driven systems Experience designing systems where response time under load is critical Strong backend development experience in Golang and Python Experience with caching, in-memory data stores, relational databases, APIs, queues, and event-driven architecture Experience with WebSocket or similar real-time communication mechanisms Experience with cloud infrastructure, containers, orchestration, and production-grade backend deployment Ability to stay hands-on technically while also leading engineers and making architectural decisions Strongly Preferred: Experience measuring and optimizing latency under load Familiarity with p95/p99 latency, load testing, performance tuning, and scaling Experience with production monitoring, bottleneck analysis, and incident handling Experience in distributed systems where correctness and speed both matter Preferred Backgrounds: Candidates with experience in the following types of platforms will be preferred: Betting/Sportsbook Gaming Backend Trading/Fintech Transaction Systems Live Scoring Messaging/Chat Systems Ride dispatch/Allocation Systems Other Real-time, Transaction-heavy platforms Note: We are specifically looking for a candidate who has worked on systems where many users or events happen at the same time, and the backend must process them correctly, consistently, and quickly under load. Benefits Competitive Salary Employee Benefits as per the Oman Labour Law