ABOUT HELIUS Helius is building the core infrastructure for Solana - empowering developers to create the next generation of crypto-powered applications. Our mission is to accelerate the development of internet capital markets by making it easier, faster, and more intuitive to build on-chain. Thousands of teams - from early-stage startups to industry leaders like Coinbase, Phantom, and Jupiter - rely on Helius APIs, webhooks, and indexing tools to power their products. Backed by Haun Ventures, Founders Fund, and Foundation Capital, we’re a small, senior team obsessed with performance, simplicity, and scalability in decentralized systems. Read our Helius Manifesto https://www.helius.dev/blog/manifesto to see how we work and what we value. ABOUT THE ROLE We're looking for a Staff Engineer, Data Streaming who knows how these systems work under the hood - not just how to tune them, but how to build them from scratch. You'll own the technical direction for Helius' streaming infrastructure, which delivers real-time Solana state changes to thousands of developers and institutions worldwide. This is a role for someone who has operated in low-latency, high-uptime environments where reliability is the product - trading systems, financial infrastructure, or similar - and who brings that same obsession to customer-facing systems at scale. You'll work closely with engineers and founders to define what we build and how we build it. ABOUT THE TEAM The Data Streaming team builds and operates products like Laserstream https://www.helius.dev/laserstream that deliver real-time Solana state changes to thousands of developers and institutions around the world. Latency, reliability, and throughput aren't just engineering concerns here — they're the product. The team moves fast, owns a large surface area, and sits in the critical path of the company's growth. WHAT YOU'LL DO - Architect and build high-throughput, low-latency streaming systems from the ground up — not just optimize

Staff Backend Engineer, Data Streaming