Staff Performance Engineer, Trading Infrastructure

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.

• •Set technical direction for performance across Helius' most latency-critical systems, influencing architecture and engineering standards company-wide
• •Profile, tune, and optimize the low-level Rust services that power traders and financial institutions
• •Design systems for low-latency environments where microseconds matter
• •Lead cross-team initiatives to identify and eliminate systemic performance bottlenecks
• •Own foundational systems end-to-end and keep them simple, reliable, and easy to operate
• •Mentor engineers and raise the bar on performance engineering and operational rigor

• •**High-impact work:** Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom
• •**Serious engineering:** Build fast, reliable systems and user experiences across distributed infra and high-throughput backends
• •**Ownership & growth:** Lead critical initiatives, influence architecture and product direction, and take on more responsibility as the company scales
• •**Remote-first flexibility:** Work where you’re most effective with a flexible, fully distributed team
• •**Competitive comp & perks:** Market-leading salary, meaningful equity, generous vacation, wellness budgets, and support for learning and travel
• •**Mission-driven team:** Join ambitious builders who move fast, take ownership, and are shaping the future of decentralized apps

• •8+ years of systems-level engineering in Rust or C++
• •Deep experience tuning high-throughput, latency-sensitive systems
• •Track record of leading ambiguous, cross-team technical projects and shipping durable systems
• •Strong intuition for hardware, operating systems, and network performance
• •Ability to operate with high ownership on difficult technical problems and make decisions legible to stakeholders
• •A desire to push performance to the limit, not just make it "good enough"