Paxos Labs - Smart Contract Engineer
deCircle
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. Role Overview We’re hiring a DeFi Backend Engineer to help scale Paxos Labs’s DeFi infrastructure capabilities. The team builds DeFi infrastructure that reimagines on‑chain liquidity strategies, delegating strategy and risk management to sophisticated off‑chain compute while maintaining strong on‑chain safety constraints. Responsibilities Collaborate with a Quantitative Researcher to manage yield-generating portfolios across protocols and blockchains. Design and backtest algorithms to produce actionable DeFi portfolio insights. Automate complex onchain interactions via offchain services. Monitor data, forecast risk, and implement optimized entry and exit triggers. Maintain secure, reliable trading infrastructure. Build solvers for optimal routing across decentralized exchanges. Why Join Paxos Labs You will help build the future of enterprise crypto infrastructure, work on impactful global financial systems, grow in a fast‑evolving industry, receive competitive compensation, and collaborate with a dynamic, high‑performing team. DeFi Expertise Deep knowledge of DeFi protocols including liquid staking, AMMs, lending protocols, perp DEXs, and RFQs/routers. Data & Risk Strong data engineering skills analyzing smart contract events and on‑chain history. Understanding of financial risk management, statistics, and portfolio optimization. Experience managing trading or yield strategies on‑chain or in traditional finance. Infrastructure & Engineering Experience building performant off‑chain infrastructure using EVM RPCs and related tooling. Strong database knowledge (SQL, Postgres, Supabase). DevOps experience with Docker, Kubernetes, and cloud tooling. Familiarity with Solidity, Foundry, and MEV or order‑flow systems. #J-18808-Ljbffr deCircle
- ...A tech-driven company in the United States is looking for a Smart Contract Engineer to lead the development of secure blockchain applications. Candidates should have a strong background in software development with at least 5 years of experience and proficiency in developing...SuggestedContract workRemote work
$170k - $250k
Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high... ...markets. Opportunity Ellipsis Labs is seeking an SVM Smart Contract Engineer to join our team. In this role, you will: Develop and maintain...SuggestedContract work$200k
Category Labs (formerly known as Monad Labs) is a team of systems engineers and researchers on a mission to design and build at the frontier of decentralized technology... ...team. The Role Category Labs is looking for a Smart Contract Engineer to join the core engineering team to...SuggestedFull timeContract workWork at office$226k - $282k
Uniswap Labs is a core contributor to the Uniswap Protocol, the world’s largest DEX, with over $4 trillion in volume across 1... ...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...SuggestedFull timeContract workRemote workHome office$70 per hour
Senior Smart Contract Engineer (EVM) - Ellipsis Labs Ellipsis Labs is a profitable, venture-backed New York-based startup building differentiated products and infrastructure in decentralized finance. The company is the developer of Phoenix, the leading order book spot...SuggestedFull timeContract work$170k - $250k
A venture-backed startup in New York seeks a Senior Smart Contract Engineer (EVM) to lead the design and development of smart contracts. In this... ...experience with EVM, and a passion for DeFi. The salary range is $170,000 - $250,000 annually. #J-18808-Ljbffr Ellipsis LabsFull timeContract work- ...experience and aim to make complex technologies accessible to everyone. A quick run-down of the job We are looking for a mid-level Smart Contract Engineer with a focus on EVM networks to join our API Expansion Team. This team is responsible for expanding our footprint by...Contract workFor contractorsWork at officeRemote workFlexible hours
- ...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...Contract work
- ...environments. Role Overview We are seeking a Protocol + Infrastructure Engineer who can work across low-level Solidity optimizations and... ...you will lead the design, implementation, and deployment of smart contracts on HyperEVM, building DeFi primitives and trading...Contract work
- ...Learn more at ether.fi. Position Overview: We’re looking for engineers who want to build & ship , not just fork & integrate. People... ...to the real world use cases Designing and deploying Solidity smart contracts for staking, vaults, restaking strategies, and DeFi credit card...Contract work
- A crypto-native financial platform is seeking engineers who want to build and ship solutions in decentralized finance. Responsibilities include designing and deploying Solidity smart contracts and engaging in rigorous testing. Ideal candidates should have at least 4 years...Contract work
$120k - $200k
...protocol in Solidity (+Yul) 9+ months of experience writing smart contracts for the EVM ecosystem 4+ years of programming experience Great... ...efficient, composable smart contracts Collaborate with team engineers to integrate the protocol with frontend and backend Design...Contract workWork at office- ...organizations, including AAVE, Wormhole, Venus Labs, OKX, and others Backed by top investors... ...: We are seeking an experienced Senior Engineer to join our core development team to... ...lending protocol. This role focuses on smart contract security and architecture and the...Contract workRemote workFlexible hours
$140k - $240k
A fintech company in New York is seeking a backend engineer to build multi-chain smart contract infrastructure. Ideal candidates should have experience with NodeJS and blockchain technology. The role offers a flexible hybrid work environment and extensive benefits, including...Contract workFlexible hours- ...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...Remote jobContract work
- ...financial infrastructure company is building mission-critical DeFi protocols for enterprise adoption and is seeking hands-on Smart Contract Engineers to join its core protocol team. The team has shipped multiple decentralized primitives across lending markets,...Contract work
- ...Job Description Job Description Hiring a web3 developer who is experienced with writing smart contracts in solidity for Ethereum. Must also have familiarity with NFTs and current NFT trends. Responsibilities Handling the entire web3 portion of our site....Contract work
- ...Who we are Paxos Labs builds enterprise infrastructure that powers the next generation... .... We're hiring a Fullstack Product Engineer to help scale Paxos Labs's onchain... ...enterprise platforms. Research and integrate smart contract transactions. Maintain a secure open...Contract workRemote work
$60k - $75k
...the people we help along the way. Responsibilities The Systems Engineer is responsible for managing day-to-day end user support for... ...for supporting Business user end point devices (Laptops/desktops/Smart phones/Tables/IPADs/video conferencing services) either directly...Contract workWork at officeRemote work- A defense technology firm is seeking a Senior Process Engineer to enhance smart manufacturing processes. You will document current operations, elicit functional requirements, and support the integration of IoT devices in a safety-compliant manner. The successful candidate...Remote job
$10,000 per month
...PerkyPet, Inc. is looking for an experienced contract recruiter for a 6-12 month engagement to handle recruitment for Go-to-Market and Engineering roles across the United States and United Kingdom. The successful candidate will define hiring profiles, build sourcing strategies...Contract workLocal area$30 - $60 per hour
...Databricks Inc. is seeking a University Recruiter (Contract) to support early-career hiring for technical roles. This remote-friendly position involves full-cycle recruiting, advising engineering leaders, and hosting university recruiting events. The ideal candidate will...Hourly payContract workRemote work- An established industry player is seeking a skilled LSM Equipment Engineer to enhance laboratory and clinical manufacturing operations. This role involves executing equipment calibration, maintenance, and performance verification, while ensuring compliance with regulatory...
- ...Brisk Teaching is seeking a Frontend Engineer for a 3-month short-term contract to enhance accessibility across their products. You will work closely with external audit firms to prioritize and address accessibility issues in React applications, ensuring compliance with...Contract workTemporary work
- A leading AI research accelerator is seeking an experienced Software Engineer to evaluate AI-generated code, collaborate on AI-driven solutions, and build verification mechanisms. The role requires a minimum of 10 hours per week and offers a flexible work arrangement....Contract workFor contractorsRemote work10 hours per weekFlexible hours
- A technology service provider in New York is seeking a candidate with at least 60 months of experience to manage Cisco ASA Firewall tasks. Responsibilities include querying firewall syslog data to identify data sets and consolidating them into summarized access-list rule...Contract workRemote work
$65 - $80 per hour
...Valor Equity Partners, BroadLight Capital, and Mecha Ventures. For more information, visit We are seeking an experienced Contract Mechanical Engineer to play a hands-on role in the design and execution of the next generation of our hardware platform. You will work...Contract workOverseas- ...proven to work across scales, bridging the Valley of Death between lab and manufacturing more efficiently and more reliably to deliver... ...biology today. We are seeking a highly motivated Process Engineer to support manufacturing operations. This hands‑on position requires...Flexible hours
- ...A leading contracting agency is seeking a Data Visualization Specialist to develop and implement a complex dashboard system for data integration and visualization. The ideal candidate has over 5 years of experience in data visualization and will work with cross-functional...Hourly payContract workTemporary work
- ...International Corporate Contractor - AI Engineer International Corporate Contractor - AI Engineer Fully Remote • Engineering Contract Description ***All Applicants must be located... ...models, ensuring our systems are not only smart but also reliable and performant. You will...Contract workFor contractorsRemote work
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