Polyweave creates multi-chain APIs for highly contextualized, enriched blockchain data. They keep the roadmap open sourced to themselves accountable with their community and customers. Backed by Foundation Capital.
About the role
Design, build, and release novel, performance-sensitive products that transform the developer experience on Solana Optimize production systems - profiling, benchmarking, and improving latency and throughput
More about this role
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
We're looking for a Staff Backend Engineer to take ownership of one of our core systems - Gatekeeper, Data Streaming, Historical APIs, or Account Index. These are the foundational layers of Helius's infrastructure, operating at the intersection of extreme performance requirements and real-world scale. Each system sits in the critical path of the Solana ecosystem.
At this level, you're not just building - you're setting technical direction, making architectural decisions that shape...
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