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Defi Smart Contract Developer Jobs (NOW HIRING)

Smart Contract Engineer

New York, NY · On-site

$120K - $220K/yr

Positioned as a leading decentralized finance (DeFi) bank, ether.fi offers a fully integrated, non ... engineering & enjoys problem solvings. * Care about clean & secure smart contract code, and think ...

Smart Contract Lead

New York, NY · On-site

$240K - $300K/yr

Positioned as a leading decentralized finance (DeFi) bank, ether.fi offers a fully integrated, non ... As a talented Smart Contract Engineer with a deep understanding of Solidity and extensive ...

We are looking for a Senior Smart Contract Engineer to help architect and build the core primitives ... The ideal candidate understands that modern DeFi infrastructure is ultimately a liquidity ...

Uniswap Labs is also the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 ... We are looking for an experienced smart contract engineer to help us build the next generation of ...

Uniswap Labs is also the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 ... We are looking for an experienced smart contract engineer to help us build the next generation of ...

Senior Smart Contract Engineer

Manhattan, NY · On-site

$115K - $158K/yr

Uniswap Labs builds products that help millions of people access DeFi simply and securely ‒ from ... We are looking for an experienced smart contract engineer to help us build the next generation of ...

... Smart Contract Engineer / Blockchain Engineer très senior, capable de construire un socle de ... tokenisation institutionnelle en Solidity/EVM avec un niveau élevé d'exigence sur la sécurité ...

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Infographic showing various Defi Smart Contract Developer job openings in the United States as of July 2026, with employment types broken down into 57% Full Time, 22% Part Time, 1% Temporary, and 20% Contract. Highlights an 79% Physical, 2% Hybrid, and 19% Remote job distribution.

Senior Smart Contract Engineer (EVM)

New York, NY • On-site

$170K - $250K/yr

Full-time

Re-posted yesterday


Job description

Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to build a better financial system.
Our flagship product, Phoenix Perpetuals, brings professional-grade perpetual futures to Solana. Building on our experience developing efficient markets, Ellipsis Labs also operates SolFi, a proprietary automated market maker that provides efficient liquidity for key trading pairs. Our foundational product, Phoenix Legacy, is a limit order book on the Solana blockchain that established our expertise in operating high-performance markets. Combined, these products have facilitated over $285B in trading volume across Solana markets.
The Opportunity
Ellipsis Labs is seeking an inaugural EVM Senior Smart Contract Engineer to join our team. In this role, you will:
  • Develop and maintain critical smart contracts for the EVM, along with the appropriate monitoring systems
  • Serve as in-house expert and mentor on the EVM
Qualifications
Required
  • Experience building, deploying, and maintaining EVM smart contracts in production
  • Experience working with auditors
  • Deep understanding of Ethereum and low-level EVM concepts
  • A demonstrated track record of high agency, willingness to dive into unfamiliar technical and non-technical areas, and a team-first attitude
  • Passion for decentralized finance
Preferred
  • Experience with cloud infrastructure, preferably AWS
  • Experience with Rust or other statically typed languages
  • Experience in quant trading or DeFi