Role: Backend Engineer (IC) Location: On-site — Whitefield, Bengaluru Company: Sahi Stock Broking / Aaritya Technologies About the Role We're looking for a Backend Engineer with 5+ years of experience and great problem solving skill to join our Rockstar Engineering team in developing a next-generation trading platform focused on low-latency APIs and scalable architecture. What You’ll Do Architect an ultra-low-latency order execution engine, where shaving microseconds creates real market advantage. Design a Complex Event Processing (CEP) engine that evaluates thousands of live market conditions with deterministic, microsecond-level precision. Build and operate our real-time feed system delivering 300K+ updates/sec over WebSockets — powering charts, scanners, and option chains with 5B+ messages daily. Engineer large-scale analytics pipelines that transform millions of live and fundamental data points into AI-driven insights. Design and manage resilient, multi-site infrastructure spanning AWS and co-located data centers — ensuring near-zero downtime and exactly-once reliability. You’ll primarily code in Golang or Rust — the core of our backend stack. Skills & Requirements 5+ years of hands-on experience in Golang / Rust / Java backend systems Solid understanding of concurrency, multithreading, and network programming Proven track record in low-latency APIs and real-time distributed systems Familiarity with Kafka, Redis, PostgreSQL, or similar technologies Experience in trading systems or financial platforms is a strong plus A problem-solver’s mindset and the drive to build systems that operate at scale and speed What We Offer A competitive salary and exciting ESOPs — share in the wealth we create as we scale. The opportunity to build a platform used by hundreds of thousands of serious traders. A key role in a high-growth startup, backed by top-tier venture capitalists.