Galaxy

Digital Assets

SeniorSmartContractEngineer

$175–250k ~AI est. New York, New York, United States
The Brief

“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.

Digital Assets
Problems you'll solve

Troubleshooting; Root cause analysis; Debugging; Decision making

Eligibility Requirements

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

Free ATS check

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