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About Sei
Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets.
The Sei Labs team is comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans dedicated to onboarding the next billion users onto a vibrant ecosystem of applications.
Sei Labs has raised over $30M from top investors including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.
We're a globally distributed team with a fully remote workforce. Check out our website and docs for more details.
Monaco - Founding Engineer
Monaco is a crypto-native research and development group building high-performance infrastructure for open financial systems on the Sei Network. We’re a small, senior team operating at the intersection of TradFi speed and DeFi composability. If you thrive in fast-moving environments, write production-grade code, and have opinions about blockspace and market structure, we’d love to meet you.
What You'll Do
- Contribute to the core engineering efforts behind Monaco’s CLOB (Central Limit Order Book), supporting both spot trading and perpetual futures trading instruments.
- Build and optimize low-latency trading infrastructure, with both on and offchain nuances
- Lead the smart contract development for Monaco’s EVM-based perpetuals product (Solidity)
- Improve performance of order matching systems with a strong focus on latency and reliability
- Ship production code for Monaco v1 and lead explorations into v2 architecture with the Sei Labs
Who You Are
- 3+ years of engineering experience, building low latency trading systems, ideally across both TradFi and DeFi stacks
- Have 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)
- Bring experience in Rust and Solidity, with the ability to navigate low-level systems and smart contracts
- Have 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
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