Senior Smart Contract Engineer

ether.fiCayman

seniorFullTime$120K to $220KPosted 9 Nov 2026

Skills in this posting

  • testing

About the role

About us:

ether.fi is an innovative, rapidly growing crypto-native financial platform on a mission to put users in control of their wealth - making it easy to save, earn, and spend crypto. Positioned as a leading decentralized finance (DeFi) bank, ether.fi offers a fully integrated, non-custodial suite of products - Stake, Liquid, Cash, and Lend - that bridge crypto utility with real-world convenience.

As we continue to scale, we’re actively hiring talented, mission-driven individuals who want to shape the future of finance from the ground up.

Learn more at ether.fi.

Position Overview:

We’re looking for engineers who want to build & ship, run the protocol operations, oversee the onchain activities, and optimize for efficiency.

This role is open at one of our global offices: NYC, Dubai, Denver, or the Cayman Islands.

What You’ll Work On:

Building and Operating the safest and most efficient Crypto Neobank

Designing and deploying Solidity smart contracts

Building backend systems to automate on-chain operations, secure user flows, and integrate protocol logic.

Engaging in rigorous testing, code reviews, and documentation to uphold high standards of quality and maintainability.

Participating as the security guardian in securing ether.fi's web3 tech stacks/ops.

You Might Be a Fit If You:

Led a smart contract team and the dapps operations

Strong programming & design skill in Solidity

Built sophisticated DeFi apps from scratch and operated

Strong fundamentals in software engineering & enjoys problem solvings.

Obsessed with Security: Care about secure smart contract code, and think deeply about edge cases and failure modes.

Thrive in fast-moving environments where specs are open-ended and the best idea wins.

Have hacked on Blockchain/Smart Contract stuff for fun — maybe you’ve built your own smart contracts, audited protocols, or played around with multiple DeFi protocols, MEV bots, etc.

At least 4 years industry experience

Benefits:

Competitive salary, performance-based incentives, and token allocation grant

Health, dental, and vision insurance plans

Collaborative and inclusive work culture

Exposure to cutting-edge technologies in the blockchain and cryptocurrency space

Global team with opportunity for travel and working out of our 3 offices around the world

4 weeks work from anywhere

From ether.fi's careers page on Ashby. See the original posting. OneProfile isn't the employer and doesn't take applications; you apply on their site.

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