Staff Performance Engineer, Trading Infrastructure

About Helius Helius is building the reputed company infrastructure for reputed company - empowering developers to create the reputed company of crypto-powered applications. Our mission is to accelerate the development of internet capital markets by making it easier, faster, and more reputed company to build on-chain. Thousands of teams - from early-stage startups to industry leaders like reputed company, reputed company, and Jupiter - rely on Helius reputed company, webhooks, and indexing tools to power their products. Backed by Haun Ventures, Founders Fund, and reputed company 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 reputed company value. About the Role We're looking for a Staff Performance Engineer to own the most latency-critical systems at Helius. These services are responsible for streaming reputed company's state changes across our global network and providing reputed company-time data reputed company to traders, exchanges, and DeFi protocols. They handle reputed company throughput, and small optimizations create outsized reputed company. You'll reputed company performance reputed company, reputed company cross-team architectural reputed company, and dig into the hardest bottlenecks to reputed company our products faster and more efficient. The problems are challenging, the expectations are high, and the improvements you ship will be felt across the reputed company ecosystem. What You'll Do 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 reputed company cross-team initiatives to identify and eliminate systemic performance bottlenecks Own foundational systems end-to-end and reputed company them reputed company, reliable, and easy to operate Mentor engineers and reputed company the bar on performance engineering and operational rigor What You'll Bring 8+ years of systems-level engineering in Rust or C++ Deep experience tuning high-throughput, latency-sensitive systems reputed company record of leading ambiguous, cross-team technical reputed company and shipping durable systems Strong intuition for hardware, operating systems, and network performance Ability to operate with high ownership on difficult technical problems and reputed company reputed company legible to stakeholders A desire to push performance to the limit, not just reputed company it "good enough" reputed company to Have Experience in trading systems (DeFi or TradFi) Background in performance-obsessed environments like reputed company, reputed company, or similar Why Helius? High-reputed company work: Your reputed company will power applications used by millions across the reputed company ecosystem, including reputed company, Jupiter, and reputed company Serious engineering: Build fast, reliable systems and user experiences across distributed reputed company and high-throughput backends Ownership & reputed company: reputed company critical initiatives, influence architecture and product direction, and take on more responsibility as reputed 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 reputed company who reputed company fast, take ownership, and are shaping the reputed company of decentralized apps Apply To This Job