Staff Rust Engineer (Solana) New York, on-site | Full-time, permanent | $300,000 to $500,000 base (flexible for exceptional candidates), plus equity and bonus The company Plexus is partnered with one of the highest-volume consumer trading platforms on Solana. It’s a revenue-generating business with nine figures in annual revenue and hundreds of thousands of users. After growing fast since launch, the company is now building a full multichain trading suite, with new products, acquisitions and asset classes coming live. The engineering team is small, senior and in person. Its systems run under constant real-world load, so performance and correctness matter every day. The role This is a hands-on Staff role with full ownership of the company’s on-chain programs. You’ll design, build and run Solana programs that handle serious transaction volume, from first design through to deployment, monitoring and iteration. What you’ll do • Design and build high-performance Solana programs in Rust • Optimise compute, account layouts and transaction flows for latency and throughput • Own correctness, security and safe upgrades in a live production environment • Define clean boundaries between on-chain and off-chain systems with backend and frontend engineers • Shape protocol design, economic mechanics and system constraints • Ship changes quickly and see them used by a large live user base What you’ll bring • Production Solana programs in Rust that have run at real scale, with real users, sustained volume and operational pressure • Hands-on experience with performance bottlenecks, edge cases and failure modes that only show up at scale • A security-first mindset for adversarial environments • The judgement to make sound calls independently, even with incomplete information Nice to have • Experience with trading systems, exchanges or other high-throughput infrastructure • A background in low-latency or high-frequency environments Why this role • Full ownership and autonomy over systems that operate at the edge of crypto scale • Comp benchmarked against top trading firms, not crypto startups • Fast shipping and immediate impact