decircle
Talent Partner for decentralized organizations and projects that are building Web3.
PvP Trade – Smart Contract Engineer
Smart Contract EngineerSmart Contract EngineerFull TimeRemoteLeadTeam 1-10Since 2019H1B No SponsorCompany SiteLinkedIn
Location
New York
Posted
61 days ago
Salary
Not specified
Seniority
Lead
Bachelor DegreeEnglishSolidity
Job Description
• Own protocol development on HyperEVM, including the design, implementation, and deployment of production-grade smart contracts powering positions, collateral management, fee routing, and settlement flows
• Architect DeFi primitives end-to-end, such as staking and locking mechanisms, liquidity and fee systems, vaults, and risk controls (circuit breakers, caps, kill-switches, guardians), with explicit gas and latency budgets
• Design and implement safe upgradeability strategies (UUPS, transparent, beacon), including storage-layout testing and invariant preservation through migrations and staged rollouts
• Lead security and correctness efforts by modeling MEV and price-manipulation threats, writing invariants and fuzz tests (Foundry, Echidna), integrating static analysis tools (Slither), managing audit scope and responses, and owning post-mortems
• Drive operational excellence by defining on-chain SLOs, emitting analytics-ready events, building monitoring and alerting systems, and owning incident response, rollback, and patch runbooks
Job Requirements
- Strong experience designing and optimizing Solidity smart contracts
- Deep understanding of DeFi protocol design, primitives, and risk mechanisms
- Experience with smart-contract upgradeability patterns and safe contract migrations
- Proven experience with smart contract security and threat modeling, including MEV and price-manipulation vectors
- Hands-on experience with invariant testing, fuzzing, and static analysis tools
- Ability to design and reason about distributed backend systems at trading-scale throughput
- Ownership mindset when operating production systems, including monitoring and incident response
Benefits
- Remote work options
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