Senior Backend Engineer

Stack

Responsibilities

• ▹Build the core services behind Transit's RFQ orchestration engine: pricing, quoting, routing, inventory management and settlement across chains and venues
• ▹Build the core services behind Transit's exchange orderbook: matching engine, pricing rules, order APIs, onchain settlement
• ▹Own systems end to end, from design through deployment and monitoring, including on-call while moving real money
• ▹Build rate-aware pricing and inventory controls for assets whose price moves
• ▹Integrate new chains, venues, solver networks and liquidity sources
• ▹Build the execution attribution and economics layer that makes integrator revenue share programmatic
• ▹Work directly with the onchain surface: contracts, mint and redeem facilities and compliance enforcement
• ▹Set technical direction on a small team and raise the engineering bar through review and mentorship

Requirements

• ▹6+ years building and operating production backend systems, with true ownership of something that had to stay up
• ▹Track record of building systems 0 to 1 and then hardening them
• ▹Experience with systems where correctness is financial: exchange infrastructure, trading, settlement or similar

Nice to have

• ▹Experience at a market maker, exchange or trading firm
• ▹Multi-chain infrastructure experience, especially inventory or treasury management across chains
• ▹Prior work on tokenized assets, stablecoins or RWAs

Soft skills

About the company

Paxos Labs builds enterprise infrastructure for trusted onchain financial products. It works with major financial platforms on transparent, verifiable onchain infrastructure that brings digital assets and DeFi into mainstream use.