Helius - Staff Performance Engineer, Trading Infrastructure

• Set technical direction for performance across the company's 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 • 8+ years of systems-level engineering in Rust or C++ • 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" Nice-to-have: • in trading systems (DeFi or TradFi) • Background in performance-obsessed environments like Cloudflare, Netflix, or similar • High-impact work: Code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom • Serious engineering: Build fast, reliable systems across distributed infra and high-throughput backends • Ownership & growth: Lead critical initiatives, influence architecture and product direction • Remote-first flexibility with a fully distributed team • Competitive comp &