Software Engineer, Backend

You will design and build the core on-chain and backend systems that power a perpetual exchange, with a focus on correctness, performance, and simplicity.

Responsibilities

• Build core exchange logic: markets, users, collateral, fees, order routing
• Implement professional liquidity sources, on-chain matching, margining, liquidation, and risk enforcement
• Help design the end-to-end architecture of a perpetuals exchange
• Ensure on-chain and off-chain systems operate as a cohesive, low-latency stack
• Optimize systems for latency, throughput, and compute efficiency
• Write thorough tests and maintain clear, living documentation
• Improve developer tooling and onboarding experience
• Design, implement, and deploy production-grade Solana smart contracts in Rust

• 3+ years of professional software development experience
• Strong Rust proficiency (production experience preferred) or willingness to learn
• Strong backend fundamentals (APIs, distributed systems, async systems)
• Experience with low-latency or performance-sensitive systems
• Familiarity with DeFi, trading systems, or derivatives
• Ownership mindset and comfort working in an early-stage environment
• Strong English communication skills

• Solana runtime optimizations and CU profiling
• Previous work experience with matching engines, order books, or execution systems
• Perpetuals, margin trading, funding rates, or ADL
• Market-making or trading infrastructure experience