--- title: 'Smart Contract Engineer at Paxos Labs' canonical: 'https://feeny.ai/job/smart-contract-engineer-paxos-labs-in-person-5bkvyd3pczfy' type: 'job' last_seen: '2026-09-08' --- # Smart Contract Engineer at Paxos Labs - **Company:** Paxos Labs - **Location:** In-Person, OR / New York, NY - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2025-11-13 - **Last confirmed live:** 2026-09-08 - **Apply:** https://jobs.ashbyhq.com/paxoslabs/c898bc47-a0c7-49c4-9d89-5953b88e16e2 ## 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 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. ## About Paxos Labs ## Core Business - **Primary industry**: Technology, Information and Internet (blockchain infrastructure / onchain finance) - **Target customers**: B2B – enterprises, fintech platforms, exchanges, and institutions looking to embed onchain financial products. - **Mission**: “To enable enterprises to own more of their economics, facilitate growth through innovation, and future-proof their business by delivering safe and utility-driven onchain experiences to their end-users.” ## Products & Services - **[Amplify Stack](https://www.paxoslabs.com/)**: A single API integration with three modules: - **Earn**: Embed yield directly into platform products through curated programs, putting idle balances to work. - **Borrow**: Integrate digital asset credit markets with automated collateral management and institutional-grade controls. - **Mint**: Launch branded digital dollars (stablecoins) with built-in redemption flows, reserve management, and compliance monitoring. ## Market Standing - **Valuation**: Not disclosed - **Key Metric**: Total funding – $12M (raised in a Venture Round on 2026-04-01) - **Notable Investors/Partners**: Robot Ventures, Blockchain Capital; incubated by Paxos (which is backed by Oak HC/FT, Declaration Partners, Founders Fund, Mithril Capital, PayPal Ventures). Partners include Uniswap. - **Growth Signals**: Launched in June 2025; announced flagship Amplify Stack in April 2026; 12 employees; LinkedIn followers 1,614 (+5.4% monthly); built on Paxos’s $180B+ tokenization track record. ## Competitive Advantages - **Regulatory moat**: Inherits over a decade of regulatory expertise from Paxos (NYDFS trust charter, OCC charter, MAS in Singapore, FSRA in Abu Dhabi). - **Proven infrastructure**: $180B+ tokenization volume, $3.5B+ payments volume processed on Paxos rails; used by PayPal, Mastercard, Stripe, Nubank, Interactive Brokers, Robinhood, Kraken, and OKX. - **Single API integration**: One integration covers yield, borrowing, and stablecoin issuance, reducing complexity for partners. - **Institutional trust**: Combines DeFi-native agility with enterprise-grade compliance and risk management. ## Strategic Focus - Expand the onchain product layer beyond simple access to crypto, making digital assets productive for users. - Enable platforms to own their economics by offering branded stablecoins, yield products, and credit markets. - Continue to build on the regulatory foundation of Paxos while operating independently to serve a broader set of builders and institutions. ## Why Work Here - **Small, agile team**: 12 employees – opportunity for high impact and ownership. - **Remote/hybrid flexibility**: Multiple offices (New York HQ) with remote or hybrid options available. - **Cutting-edge domain**: Work on the frontier of onchain finance, DeFi, and regulated digital assets. - **Engineering culture**: Roles include Smart Contract Engineer, Fullstack Product Engineer, DeFi Researcher – focus on building scalable, trusted financial infrastructure. - **Backed by industry leaders**: Strong backing from Paxos and top crypto VCs, providing stability and resources of an established player with startup speed. ## Sources 1. [paxoslabs.com](https://www.paxoslabs.com/) 2. [linkedin.com/company/paxos-labs](https://www.linkedin.com/company/paxos-labs) 3. [builtin.com/company/paxos-labs](https://builtin.com/company/paxos-labs) 4. [paxos.com/newsroom](https://www.paxos.com/newsroom/paxos-launches-new-start-up-to-expand-access-to-on-chain-markets) 5. [paxoslabs.com/posts](https://www.paxoslabs.com/posts/introducing-the-paxos-labs-amplify-stack) ## Other roles at Paxos Labs - [General Counsel](https://feeny.ai/job/general-counsel-paxos-labs-in-person-gc7maaa80j1h) — In-Person, OR / New York, NY - [Lead Security Engineer](https://feeny.ai/job/lead-security-engineer-paxos-labs-new-york-g3qkc92jqzm6) — New York, NY - [Fullstack Product Engineer](https://feeny.ai/job/fullstack-product-engineer-paxos-labs-new-york-s4fqtpmjafxf) — New York, NY - [3D Motion & Marketing Designer](https://feeny.ai/job/3d-motion-marketing-designer-paxos-labs-united-states-9aygsntdv2jp) — United States - [Content & Social Manager](https://feeny.ai/job/content-social-manager-paxos-labs-san-francisco-kpremry5cyqr) — San Francisco, CA - [DeFi Researcher](https://feeny.ai/job/defi-researcher-paxos-labs-in-person-g1zjchpcss5x) — In-Person, OR / New York, NY - [Smart Contract Engineer](https://feeny.ai/job/smart-contract-engineer-vedatechlabs-remote-2172pcrfhjh7) - [Smart Contract Engineer](https://feeny.ai/job/smart-contract-engineer-ether-fi-cayman-fd7de65crxxw) — Cayman - [Smart Contract Engineer](https://feeny.ai/job/smart-contract-engineer-stargate-foundation-europe-64qwnh00vfp2) — Europe - [Smart Contract Engineer](https://feeny.ai/job/smart-contract-engineer-thunderhead-remote-k3pe5kjcj3vw)