About the company
Sei is the fastest chain on Cosmos and a DeFi-focused L1. Built with the Cosmos SDK, Sei allows any app to instantly access our defi infrastructure through our orderbook module and shared liquidity hub. Sei offers the the first truly scalable on-chain orderbooks and enables brand new financial products that couldn't be build on existing general purpose L1/L2s like Solana, Arbitrum, Aptos, etc. Top teams from Solana, Terra and NEAR are building on top of Sei going into mainnet.
Job Summary
What You'll Do
šContribute to the core engineering efforts behind Monacoās CLOB (Central Limit Order Book), supporting both spot trading and perpetual futures trading instruments. šBuild and optimize low-latency trading infrastructure, with both on and offchain nuances šLead the smart contract development for Monacoās EVM-based perpetuals product (Solidity) šImprove performance of order matching systems with a strong focus on latency and reliability šShip production code for Monaco v1 and lead explorations into v2 architecture with the Sei Labs
Who You Are
š3+ years of engineering experience, building low latency trading systems, ideally across both TradFi and DeFi stacks šHave worked at or adjacent to HFT firms (e.g., Citadel, Cubist, AQR, Jump, HRT) or were part of early engineering teams at CLOB protocols/perp DEXs (like dYdX, Hyperliquid, Vertex) šBring experience in Rust and Solidity, with the ability to navigate low-level systems and smart contracts šHave built or traded DeFi strategies and understand the nuances of institutional users, market structure, performance optimization, and gas feesMust be based in NYC or willing to relocate
If youāre passionate about blockchain and decentralized technologies, explore more opportunities in web3 and cryptocurrency careers.





