Job Description
As a key technical leader, you will be responsible for architecting and implementing a CLOB-first prediction market system. This role requires deep expertise in blockchain architecture, smart contract security, and trading system design.
Key Responsibilities
- Design the overall architecture of CLOB-first prediction market including on-chain contracts, off-chain order book, matching engine, order signing, market data services, settlement services, indexer and oracle integration
- Define the boundary between on-chain and off-chain logic, determining which components should be implemented at each layer
- Lead smart contract security design covering CTF, order settlement, positions, payouts, fees, permissions, pausing mechanisms, upgrade paths and audit processes
- Architect EIP-712 signed orders, trade matching, on-chain settlement, order cancellation, nonce management and replay protection solutions
- Integrate price oracles, event data feeds, sports/esports data sources, optimistic oracles or dispute arbitration mechanisms
- Establish project milestones and development timelines including mechanism finalization, prototyping, testnet launch, audits, mainnet deployment, monitoring and iterations
- Organize code reviews, contract audits, security drills, incident postmortems and external audit coordination
- Lead technical hiring, task allocation, code quality control, production releases and risk management
Job Requirements
- 5+ years of backend, blockchain or trading system development experience with at least 2 years in technical leadership or architecture roles
- Strong expertise in EVM, Solidity, smart contract security, on-chain events, transaction signing and wallet interactions
- Deep understanding of order books, matching engines, market data services, trade state machines, fund settlement or exchange backend architectures
- Knowledge of CTF, prediction markets, oracles, and off-chain matching + on-chain settlement design patterns
- Strong security awareness to identify critical risks including reentrancy, price manipulation, signature replay, settlement errors, permission risks and service outages
- Ability to drive engineering execution in environments with immature chain ecosystems
Preferred Qualifications
- Experience with CEX/DEX/Perpetuals/Options/Prediction Markets/Sports Trading systems
- Familiarity with systems like Polymarket, 0x, Seaport, dYdX, Hyperliquid, Aster or Limitless
- Background in high-frequency trading systems, low-latency matching, risk control systems or market maker interfaces
Benefits
Remote work flexibility