Galaxy
Digital Assets
SeniorSmartContractEngineer
“Senior Smart Contract Engineer at Galaxy. Skills: Smart Contracts, Ethereum, Solana, Blockchain Security. Own design of on-chain primitives. Implement on-chain primitives”
What You'll Achieve.
Ship production code; Clear rigorous audits; Support audit findings; Improve team performance; Improve business outcomes
Industry & Context.
Troubleshooting; Root cause analysis; Debugging; Decision making
On-call rotations
What They're Looking For.
Must Have
7+ years software engineering experience, 4+ years smart contract production, EVM internals expertise, Gas optimization expertise, Proxy upgradeability patterns expertise, Solana program development command, Solana account models command, Solana PDA design command, Rigorous third-party audits track record, Formal verification tooling familiarity, Foundry proficiency, Hardhat proficiency, Slither proficiency, Echidna proficiency, Anchor proficiency, Solana program test frameworks proficiency, Solana fuzzing tools proficiency, Invariant testing discipline, Fuzz testing discipline, On-chain domains hands-on experience, Security-first mindset, High agency, Accountable for outcomes
Nice to Have
Experience designing GSIBs systems, Integrating GSIBs systems experience, Prior DeFi protocol contributions, Liquid staking protocol contributions, Restaking protocol contributions, Cross-chain message passing experience, Shared sequencing architectures experience, Intent-based architectures experience, Familiarity with ERC-7540, Familiarity with ERC-4626 extensions, Familiarity with emerging tokenized vault standards, MEV-aware design exposure, PBS architecture exposure, Block-building mechanics exposure, Open-source contributions Foundry, Open-source contributions OpenZeppelin Contracts, Open-source contributions Solady, Open-source contributions Anchor
What You'll Do.
Own design of on-chain primitives
Implement on-chain primitives
Drive audit lifecycle end to end
Triage audit findings
Implement audit remediations
Shepherd code to mainnet
Enforce engineering bar
Define testing standards
Define review processes
Define deployment runbooks
Define incident response
Define on-call rotations
Partner with product leadership
Partner with engineering leadership
Translate requirements to on-chain designs
Mentor smart contract engineers
Contribute to code review culture
Contribute to career development
Represent on-chain work externally
Improve team performance
Improve business outcomes
Improve decision-making
Improve output quality
How You'll Work.
Team & Collaboration
Cross-functional teams; Product and engineering leadership; Audit firms; Institutional clients; Governance forums; Broader ecosystems
Communication Scope
Communication skills; Presenting findings; Representing work externally
Process & Methodology
Deployment runbooks, Incident response, On-call rotations
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