Staff Performance Engineer, Trading Infrastructure

## About Helius 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.

## 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 - 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

## What You'll Bring - 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"

## Why Helius? - **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

Helius is Solana's leading infrastructure provider, offering high-performance RPC nodes, APIs, webhooks, transaction sending, and other tools to developers building on the Solana blockchain. It supports wallets, DeFi, NFTs, gaming, and other applications for clients like Phantom, Jupiter, Coinbase, and Backpack, processing billions of daily requests with 99.99% uptime.