Senior Software Engineer, Crypto Trading Systems
External
Opal Dex · AustinPrepare for this interview
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About the role
strong>Overview br> br> /strong>Seeking an experienced engineer to design and build core on-chain systems for a next-generation crypto trading platform. You will work across smart contracts, backend services, and exchange infrastructure. Ownership, speed, and security are key. br> br> strong>Responsibilities br> br> /strong> ul> li> /li> li>Architect and implement smart contracts for trading, liquidity, and settlement /li> li> /li> li>Build backend services for order flow, pricing, position data, and funding /li> li> /li> li>Design secure, gas-efficient, upgradeable contract systems /li> li> /li> li>Integrate oracles, index price feeds, and risk-management logic /li> li> /li> li>Develop internal tools for monitoring, testing, and simulation /li> li> /li> li>Lead technical decisions, code reviews, and team best practices /li> li> /li> li>Collaborate with product and quant teams to refine trading features br> br> /li> /ul> strong>Requirements br> br> /strong> ul> li> /li> li>4+ years of engineering experience /li> li> /li> li>Strong proficiency in Solidity and Rust /li> li> /li> li>Deep understanding of EVM, L2s, and contract security /li> li> /li> li>Experience with distributed systems, event-driven services, and high-throughput architectures /li> li> /li> li>Familiarity with AMMs, derivatives, or on-chain trading mechanics /li> li> /li> li>Ability to take projects from concept to production br> br> /li> /ul> strong>Preferred Qualifications br> br> /strong> ul> li> /li> li>Experience contributing to a Perpetuals DEX /li> li> /li> li>Understanding of liquidation engines, margining models, and funding payments /li> li> /li> li>Knowledge of oracle design, TWAP signals, and index price calculation /li> li> /li> li>Exposure to zero-knowledge systems or TEEs for private order flow /li> li> /li> li>Background in MEV-aware design and transaction-flow optimization br> br> /li> /ul>
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