DeFi Jobs

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Circle

📍 U.S. - California 美利坚合众国

$270k - $310k

$72k - $110k

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$142k - $159k

$68k - $90k

Polymarket
$90k - $112k estimated
United States

About Polymarket

Polymarket is the world’s largest prediction market. It’s half "put your money where your mouth is," half search engine for the future.

We're growing fast – both in terms of volume (>$6B traded so far this year) and adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.


About the role

Polymarket is looking for an experienced smart contract engineer to join our core protocol team. You’ll design, build, and ship secure, high-performance smart contracts that handle millions in daily volume and keep our peer-to-peer markets running flawlessly.

You’ll have end-to-end ownership—from ideation and architecture to implementation and deployment—while collaborating closely with a world-class engineering team. Expect a mix of building new protocol functionality, improving developer tooling, and responding quickly to the evolving security landscape in DeFi.


What you’ll do

We’re looking for an experienced individual contributor who loves turning tricky protocol problems into clean, secure smart contracts that power billions in on-chain activity.

  • Build secure, battle-tested smart contracts. You’ll design, implement, and deploy Solidity-based contracts that are both elegant and hardened against exploits.

  • Level up the protocol. Contribute to protocol-level infrastructure, tooling, and new features that directly impact millions of users.

  • Respond to real-world challenges. Investigate vulnerabilities, simulate attack scenarios, and develop effective mitigation strategies.

  • Review and refine. Participate in rigorous code reviews to ensure quality, security, and maintainability.

  • Stay ahead of the curve. Keep up with the latest EVM developments, tooling, and best practices—and bring that knowledge back to the team.

  • Mentor and collaborate. Share your expertise with other engineers and work closely across product, design, and operations to bring ideas to life.


What we’re looking for

  • 4+ years of experience writing and deploying Solidity smart contracts in production.

  • Strong understanding of the EVM, DeFi protocols, and decentralized application architecture (including decentralized exchanges – Uniswap V2 + V3, Uniswap X, dYdX v4, etc.).

  • A security-first mindset, with an obsession for catching vulnerabilities before they’re exploited.

  • A track record of delivering high-quality, reliable code in fast-moving environments.

  • A passion for DeFi, Ethereum, and building at the bleeding edge of web3.

  • Excellent problem-solving and communication skills.

  • (Plus) Experience with prediction markets.

  • (Plus) Experience with formal verification tools or advanced Solidity security techniques.

  • (Plus) Contributions to open-source DeFi projects.

  • (Plus) Familiarity with multiple EVM chains and bridging solutions.


Benefits

  • Competitive salary & equity

  • Unlimited PTO, Health, Vision, & Dental coverage

  • 401k match

  • Hardware setup — new MacBook Pro, big display, & accessories.

How do I get a job at DeFi?

Getting a job in the DeFi (decentralized finance) industry can be a competitive process, but there are a few steps you can take to increase your chances of finding a job in this field:

  1. Build up your skills and knowledge: To work in DeFi, you'll likely need to have a strong understanding of blockchain technology, as well as other related technologies such as smart contracts and cryptocurrency. Consider taking online courses or earning a degree in a relevant field to build up your skills and knowledge.
  2. Network with industry professionals: Attend meetups and conferences related to DeFi and make connections with professionals in the industry. Networking can be a valuable way to learn about job openings and get your foot in the door at a DeFi company.
  3. Create a strong online presence: Many DeFi companies will look at your online presence (such as your LinkedIn profile and personal website) when considering you for a job. Make sure to showcase your skills and accomplishments online and keep your profile up to date.
  4. Apply for relevant job openings: Keep an eye out for job openings at DeFi companies and apply for positions that align with your skills and experience. Apply for DeFi Jobs without Experience. Tailor your resume and cover letter to the specific job you're applying for and highlight any relevant experience or skills you have.
  5. Consider internships or volunteer work: DeFi Internships or volunteer work can be a great way to get your foot in the door and gain valuable experience in the DeFi industry. Many companies also offer internships to students, so consider applying for an internship if you're still in school.
  6. Be persistent: keep trying if you don't get a job right away. It can take time to find the right opportunity, but with the right skills and determination, you can land a job in the DeFi industry.