Senior Rust Engineer (Backend Systems)

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 to learn how we build, make decisions, and operate as a team.

About the Role

We’re looking for a Senior Rust Engineer to design, build, and scale the backend systems that power Helius’ developer platform. You’ll work on high-performance, low-latency systems that power the developer Solana ecosystem and process billions of requests per day. This is a high-ownership, high-impact role for someone who thrives on solving hard problems at scale and enjoys working close to the metal. You’ll join a talented, fast-moving engineering team where your contributions will have an immediate impact on our product, customers, and growth.

What You'll Do:

• Design, build, and optimize backend services in Rust with a focus on scalability and ultra-low-latency performance.
• Own and improve distributed systems powering Helius’ data APIs, event streaming, and RPC services.
• Debug, profile, and tune performance in high-scale production environments.
• Collaborate cross-functionally with product and frontend teams to integrate features and unblock development.
• Establish and maintain monitoring, alerting, and security best practices for the systems you
• own.
• Contribute to the engineering culture through code reviews, technical discussions, and mentoring where needed.

What You'll Bring

• Proficiency with Rust or equivalent is required.
• 5+ years building and scaling production systems (high-throughput, low-latency, distributed).
• Strong understanding of distributed systems and database design.
• Ability to work autonomously, move fast, and deliver high-quality code.
• Strong communication and collaboration skills in a fast-paced startup environment.
• Bonus: Web3 or blockchain experience, familiarity with Solana, or experience building developer platforms.

Why Helius?

• High-impact work: Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom.
• Cutting-edge tech: Build with React, Next.js, Go, and web3 systems - plus get hands-on exposure to Rust and blockchain infrastructure.
• Ownership & growth: Lead critical initiatives, mentor engineers, and influence architecture from day one.
• Remote-first flexibility: Work where you’re most productive, with flexible hours and a 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.