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Paxos Labs

Smart Contract Engineer

New York, NY · On-site +1

We're hiring a Smart Contract Engineer to help scale Paxos Labs's DeFi protocol infrastructure ... Maintain exemplary organizational and security standards for an open source codebase.

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How much do smart source jobs pay per year?

As of Jun 1, 2026, the average yearly pay for smart source in the United States is $77,500.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $85,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Smart Source Specialist, and why are they important?

To thrive as a Smart Source Specialist, you need strong analytical abilities, sourcing expertise, and a background in procurement or supply chain management, often supported by a relevant bachelor's degree. Familiarity with sourcing software, e-procurement systems, and supplier management platforms is typically required. Excellent negotiation, relationship-building, and communication skills help you stand out in this position. These skills ensure effective supplier selection, cost savings, and smooth procurement processes within the organization.

What are the typical responsibilities and collaborative aspects of working as a Smart Source specialist within a procurement team?

As a Smart Source specialist, your main responsibilities include sourcing suppliers, negotiating contracts, and ensuring cost-effective procurement for your organization. You'll work closely with cross-functional teams such as finance, operations, and legal to align sourcing strategies with overall business objectives. Collaboration is key, as you may also coordinate with stakeholders to gather requirements and evaluate supplier performance. Regular communication and adaptability are essential for success in this dynamic environment.

What are Smart Source jobs?

Smart Source jobs typically refer to positions within companies that provide managed staffing solutions, IT services, or business process outsourcing. These roles can vary widely, including recruitment specialists, IT consultants, project managers, and administrative support staff. Individuals in Smart Source jobs often support client businesses by supplying skilled personnel or technical expertise on a contract or project basis, helping organizations streamline operations and reduce costs. Smart Source is also the name of several companies specializing in these services, so job responsibilities may vary depending on the employer.

What is the difference between Smart Source vs Data Entry Clerk?

AspectSmart SourceData Entry Clerk
Required CredentialsBasic computer skills, sometimes certifications in data managementHigh school diploma, basic computer proficiency
Work EnvironmentOffice settings, remote optionsOffice environments, data centers
Employer & Industry UsageUsed across various industries for data collection and managementCommon in administrative, healthcare, and finance sectors
Common Search & Comparison IntentUnderstanding roles in data management and sourcingData entry tasks, job responsibilities

Smart Source typically refers to a data sourcing or management role involving digital tools, while Data Entry Clerk focuses on inputting data into systems. Both roles require basic computer skills, but Smart Source may involve more strategic data handling, whereas Data Entry Clerks perform routine data input tasks.

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Smart Contract Engineer

Paxos Labs

New York, NY • On-site, Remote

Full-time

Posted 10 days ago

Job description

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 knowledgein 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.

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