Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Smart Contract Engineer

Full-time

Paxos Labs

Who we are

Paxos Labs builds enterprise infrastructure that powers the next generation of trusted onchain financial products. We work with the largest financial enterprises in the world to build transparent and verifiable onchain infrastructure that works for end users and everyday financial use cases. If you believe in bringing DeFi and digital assets to the mainstream, consider building your career at Paxos Labs.

We're hiring a Smart Contract Engineer to help scale Paxos Labs's DeFi protocol infrastructure capabilities.

Who we’re looking for

The smart contract team at Paxos Labs consists of experienced developers who have shipped multiple decentralized primitives from lending markets to vaults. We are looking for a motivated developer that can not only develop, but aptly research and deploy extensive knowledge across DeFi to create mission critical software to bring DeFi to the biggest enterprises in the world.

Most importantly, we are looking for developers with interests in the following:

1. DeFi Yield Strategies

2. Tokenization

3. Decentralized Lending

4. Under/un-collateralized Lending

Responsibilities

  • Research and design novel protocol mechanisms around vaults, lending, and other DeFi primitives.
  • Lead protocol design decision making considering tradeoffs across trust assumptions and efficiency.
  • Develop solidity contracts and produce comprehensive test suites for the protocol.
  • Maintain exemplary organizational and security standards for an open source codebase.

Qualifications

Knowledge Deep knowledge refers to having direct contributions or having integration experiences through related projects and knowing lower level details. Familiarity refers to not having had direct contributions to the space but following topics at a high level with interest.
  • Deep knowledge in Lending codebases—Compound, Aave, Morpho Blue, MakerDAO, Euler, EVC, Liquity, Pendle.
  • Deep knowledge in Vaults codebases—Yearn V3, Metamorpho / Morpho V2, BoringVaults, ERC7540, Centrifuge, etc.
  • Familiarity with AMMs or solver networks —CoW Protocol, UniswapX, 1inch, Uniswap V3/V4.
  • Familiarity with RFQs —Hashflow, 1inch RFQ, or off-chain exchange systems (including TradFi)
Experience
  • Experience shipping production Solidity smart contract code to mainnet.
  • Experience developing and maintaining tests for smart contract code i.e. unit testing, fork testing, fuzzing, invariant testing (Foundry invariants or Echidna).
  • Experience with smart contract development tools such as Foundry (preferred) or Hardhat.
  • Familiarity with other smart contract development languages and frameworks such as, Vyper, Rust, Cairo, or Cosmwasm.
  • Experience as an active degen / investor / user in these DeFi protocols.
Other nice-to-haves
  • Personal experience in CTFs, gas golfing, hackathons.
  • Personal experience in blockchain architecture beyond solidity i.e. Rollups,
  • Personal experience as a degen/investor/user in DeFi protocols.
  • Personal experience in blockchain architecture beyond smart contracts i.e. node operations, rollup design, zero-knowledge proofs.

Why join us?

Joining Paxos Labs means becoming part of a pioneering team at the forefront of financial innovation for the mass market. You will have the opportunity to:

  • Build the Future: Play a critical role in transforming traditional enterprises with innovative crypto solutions.

  • Do Impactful Work: Contribute to projects that have a tangible impact on the global financial landscape.

  • Enable Personal Growth: Benefit from continuous learning and professional development in a rapidly evolving industry with an emphasis on personal career advancement.

  • Receive Competitive Compensation: Receive a competitive salary and participate in directly in ownership structures that provide top-of-the-line benefits.

  • Join A Dynamic Team: Thrive in a fast-paced, agile setting where your ideas are valued and your contributions are recognized.

Location

We are a heavily in-person team working in New York City. We prize effective in-person coordination that allows us to move fast. We also consider remote work on a case by case basis.

Once we receive your application, we'll be in touch if we are interested.

Vacancy posted 10 days ago
Similar jobs that could be interesting for youBased on the Smart Contract Engineer in New York, NY vacancy
  • $150k - $250k

     ...transparency. All roles are in the Ellipsis Labs office in New York City. The Opportunity Ellipsis Labs is seeking an SVM Smart Contract Engineer to join our team. In this role, you will: ~ Develop and maintain critical smart contracts for the SVM, along with the... 
    Suggested
    Contract work
    Work at office

    Ellipsis Labs

    New York, NY
    3 days ago
  • $226k - $282k

     ...Uniswap, you become part of a team that's reshaping the way value flows on the internet. We are looking for an experienced smart contract engineer to help us build the next generation of the Uniswap Protocol. You will be responsible for implementing and designing smart... 
    Suggested
    Full time
    Contract work
    Remote work
    Home office

    Uniswap

    New York, NY
    2 days ago
  •  ...About the Role Our client is seeking a highly proficient Senior Smart Contract Engineer to join their distributed team, working remotely and based out of Welkom. This role focuses on the development, auditing, and deployment of secure and efficient smart contracts that... 
    Suggested
    Contract work
    Remote work
    Flexible hours

    Placements24

    New York, NY
    4 days ago
  •  ...Job Description Job Description We are looking for an exceptional Remote Smart Contract Engineer for one of our clients. Our client is building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in... 
    Suggested
    Remote job
    Contract work

    Turnblock.io

    New York, NY
    9 days ago
  • Mercor, a remote-first company, seeks a Software Engineer for C codebase Q&A tasks. You will select, study, and rewrite questions from pre-validated C repositories, ensuring clarity and fairness while iterating through Mercor Studio validation cycles. You will document... 
    Suggested
    Remote job
    Contract work

    Embedded Shishya

    New York, NY
    4 days ago
  •  ...high-impact searches across the United States and Canada. You will source, engage, and close top-tier, values-aligned talent for Engineering, Product, Data, and senior leadership roles. You will collaborate with our in-house recruiting team to build pipelines, lead candidate... 
    Remote job
    Contract work
    Freelance

    CookUnity

    New York, NY
    1 day ago
  •  ...Canada This role will focus on sourcing, engaging, and closing top-tier, values-aligned talent across diverse functions—including Engineering, Product, Data, and senior leadership roles You’ll collaborate closely with our in-house recruiting team to build strong... 
    Contract work
    Freelance
    Remote work

    CookUnity

    New York, NY
    2 days ago
  •  ...Job Description Job Description Contract Production Support Engineer – Fixed Income Trading MUST be local to New York City, Hybrid Schedule, 2 to 3 days in office DevOps / L3 Support Engineer (Fixed Income Trading) Experience: 4–7 years DevOps/Support... 
    Contract work
    Work at office
    Local area

    Shulman Fleming & Partners

    New York, NY
    15 days ago
  •  ...Job Description Job Description Contract Equity Derivatives Developer MUST be local to New York City, Hybrid Schedule Front...  ...hands-on Senior Equity Derivatives Developer with strong software engineering, quantitative integration, and Front Office technology... 
    Contract work
    Local area

    Shulman Fleming & Partners

    New York, NY
    14 days ago
  •  ...and production code from the same person. As our founding design engineer you own product surfaces from a rough idea to shipped React,...  ...: you take an ambiguous problem, ask the right questions, make smart assumptions, and move — you don't wait for a perfect spec. Genuinely... 
    Full time

    Stealth Vertical AI Startup

    New York, NY
    21 hours ago
  • $200k - $300k

     ...non-siloed, collaborative coding environment empowers talented engineers to make significant contributions and see their impact daily. At...  ...process.Kindness and empathy is a real requirement. No “smart jerks” at HRT. Strong understanding of data structures, algorithms... 
    Temporary work
    Work at office
    Local area
    Immediate start

    Hudson River Trading

    New York, NY
    21 hours ago
  • $10k

     ...About RampRamp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business...  ...billions, Ramp is the place to do it.About the RoleAs a Design Engineer at Ramp, you sit at the intersection of design and front-end engineering... 
    Full time
    Work at office
    Relocation
    Home office
    Flexible hours

    Ramp

    New York, NY
    1 day ago
  • $50k

     ...Product Engineer About Gaia Mission: A world where anyone who wants a family can try. We're transforming fertility care from...  ...: Your work won't disappear into layers of abstraction. Every smart solution changes our trajectory. Scale of Opportunity: 3,... 
    Work at office
    Remote work
    3 days per week

    Femtech Insider Ltd.

    New York, NY
    3 days ago
  • GME Supply is seeking a Contract Curriculum Developer - Construction & Industrial Safety (1099) to design turnkey training courses for in-person or online delivery. This fully remote role supports a Trainers department and is based out of Coppell, Texas, with projects... 
    Remote job
    Contract work
    For contractors

    GME Supply

    New York, NY
    1 day ago
  •  ...compromising on quality Collaborate with our Design and Design Engineering teams to give our customers beautiful, clear and consistent...  ...your areas of expertise Champion our design principles like "smart defaults but you decide" and "connected and familiar" You might... 
    Work at office
    Remote work

    Watershed Technology, Inc

    New York, NY
    1 day ago
  •  ...cookout ) Team We're a team of about 20 in New York City: smart, collaborative, ambitious, and genuinely nice to work with....  ...time founder who previously built an AI recruiting company. ML engineer and data scientist at Quora, Lyft, and Meta. Studied statistics... 
    Full time
    Work at office
    Local area
    Remote work
    Visa sponsorship
    Work visa
    Night shift
    Afternoon shift

    Noto

    New York, NY
    4 days ago
  •  ...center of our businesses. Our dynamic environment requires strategic thinking that is innovative and produces smart solutions. At Goldman Sachs, our Engineers don’t just make things - we make things possible. Change the world by connecting people and capital with ideas... 
    Full time
    Immediate start

    Goldman Sachs

    New York, NY
    4 days ago
  • $96.48k - $113.5k

     ...global Harry’s and Flamingo brands. Join our team of passionate engineers, scientists, researchers, technicians, program managers, and...  ...at Mammoth Brands, like the exciting challenges we tackle, the smart and humble team you’ll get to work with, and our supportive and... 
    Work at office
    Local area
    Visa sponsorship
    Flexible hours

    Harry's

    New York, NY
    3 days ago
  •  ...Position Description: We are Looking for a Water Resources Engineer to join our team in New York, NY, supporting wet weather infrastructure...  ...Additional Preferred Experience: Real-time control (RTC) or smart sewer systems Construction phase services (RFIs, submittals,... 
    Temporary work
    Work at office
    Work from home
    Flexible hours
    3 days per week

    Wade Trim

    New York, NY
    a month ago
  • $100k - $220k

     ...Property landscape. We need a rare hybrid - a Legal and Product Engineer who sits at the exact intersection of patent law and AI...  ...The Environment: Free meals and a seat at the table with an incredibly smart, ambitious team. Compensation Range: $100K - $220K... 
    Work at office
    Visa sponsorship

    Solve Intelligence

    New York, NY
    13 days ago
  • $150k - $250k

     ...a rocket ship! ️ About the role We are looking for a super smart and talented Patent Litigator to lead and build out our patent...  ...recommendations for clients using the platform Working directly with the engineering and AI teams to shape how Charts handles litigation workflows... 
    Visa sponsorship

    Solve Intelligence

    New York, NY
    7 days ago
  • $196k - $230k

     ...companies, and the planet.Role DescriptionAs a Lead Applied Value Engineer, you will push the envelope in solving business-critical...  ...solutions for global brands, mega-retailers, and distribution partners.Smart Warehouse & Fulfillment Operations: Champion modern... 
    Full time
    Work experience placement
    Work at office
    Local area
    Remote work
    Worldwide
    Flexible hours
    Shift work

    Celonis

    New York, NY
    3 days ago
  • $123k - $165k

     ...streaming devices on the market.Job Summary:We’re seeking a Software Engineer II for the ABC News Mobile and Living Room Device team, where...  ...Direct-to-Consumer client app on Roku streaming devices and smart TVs. We’re looking for an engineer who, ideally, has experience... 
    Worldwide

    Disney Interactive

    New York, NY
    3 days ago
  • $95.23k - $130.94k

     ...innovative photovoltaic modules, enabling low-cost solar energy solutionsRole PurposeCorning Incorporated is hiring a Staff Mechanical Engineer - Furnaces & Thermal Equipment in Corning, NY. This is a full-time onsite role that typically works Monday-Friday, 40 hours per... 
    Full time
    Relocation package
    Monday to Friday

    Corning Incorporated

    New York, NY
    14 hours ago
  • $200k - $300k

     ...Machine Learning Research Engineer New York Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower...  ...challenging and enjoyable. That is why we foster a culture where smart, driven people thrive – without the egos. Our open concept... 
    Casual work
    Work at office

    Tower Research Capital LLC

    New York, NY
    2 days ago
  • $85k - $130k

     ...Kinsley Power Systems is seeking an Industrial Sales Engineer to add to their team! The Industrial Sales Engineer's main objective is...  ...residential equipment, rental agreements, prime power equipment, service contract sales Makes joint sales calls with appropriate technical/... 
    Contract work
    For contractors
    Work at office
    Flexible hours
    Night shift

    Kinsley Group

    New York, NY
    7 days ago
  • $129.84k - $194.76k

     ...Business Strategy, Management & Administration------------------------------------------------------Job Family:Business Process Re-Engineering------------------------------------------------------Time Type:Full time------------------------------------------------------... 
    Full time

    Citigroup

    New York, NY
    1 day ago
  • $10k

    About RampRamp is building the smart infrastructure for finance teams, embedded in the...  ....This is a frontend-leaning role for an engineer who obsesses over interaction design and...  ...from React UI through to the APIs and data contracts behind themBuild BI-tool-quality... 
    Full time
    Work at office
    Home office
    Flexible hours

    Ramp

    New York, NY
    21 hours ago
  • $10k

    About RampRamp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends...  ...across our platform. We are seeking strong full-stack engineers who are proficient in web frameworks, backend development, and... 
    Full time
    Work at office
    Home office
    Flexible hours

    Ramp

    New York, NY
    21 hours ago
  • $200k - $300k

     ...at Hudson River Trading (HRT) creates high performance compute engines using FPGA and ASIC technology to drive low latency trading decisions...  .... We build custom solutions across the spectrum of speed and smarts: from bespoke circuits to world-class machine learning... 
    Work at office
    Local area
    Immediate start
    Flexible hours

    Hudson River Trading

    New York, NY
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Smart Contract Engineer. Be the first to apply!