Staff Backend Engineer, Data Streaming

About Helius

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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 to see how we work and what we value.

About the Role

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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

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The Data Streaming team builds and operates products like 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

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* Architect and build high-throughput, low-latency streaming systems f...