DeFi Backend Engineer

Paxos Labs • New York, NY

3d • Onsite

About The Position

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 DeFi Backend Engineer to help scale Paxos Labs's DeFi infrastructure capabilities. We are open to candidates of varying levels of experience for this role. The team at Paxos Labs builds DeFi infrastructure that reimagines the way on-chain liquidity strategies are handled. Strategies and risk management are delegated to sophisticated actors who act from compute done in a data rich offchain environment—all the while maintaining onchain constraints that enforce user safety. We are looking for a motivated developer that can not only develop, but aptly research and deploy extensive knowledge across TradFi and DeFi to execute state-of-the-art risk curation and yield optimization in DeFi.. Most importantly, we are looking for developers with interests in the following: Quantitative Risk Analysis DeFi Trading Strategies Performant Backend Engineering

Requirements

• Deep Knowledge on DeFi Protocols . Internal mechanisms of many if not most of the following protocols: Liquid staking protocols (Lido, EtherFi, Kinetiq) AMMs (Uniswap, Balancer) Lending protocols (Aave, Morpho, Maple, Term Finance) Perp DEXs (Hyperliquid, Lighter, GMX). Auctions/RFQs/Routers (CoW Protocol, UniswapX, 1inch Fusion, Hashflow)
• Deep Knowledge on Data Engineering Analyzing smart contract events and historical on-chain data.
• Familiarity with Risk Management Financial and statistical concepts to measure risk and optimal portfolio management. Experience with managing trading or yield generating strategies onchain or in traditional finance contexts. Either manually or with automation.
• Deep Knowledge in building performant offchain infrastructure with EVM RPCs, ethers, viem, revm, geth, etc.
• Deep Knowledge in DevOps tools such as Docker, ECR, or Kubernetes.
• Deep Knowledge in Databases—SQL, Postgres, Supabase.
• Familiarity reading and writing Solidity and using Foundry.
• Experience with designing or participating in MEV or order flow auctions.

Responsibilities

• Collaborate closely with a Quantitative Researcher to manage a portfolio of yield generating opportunities across protocols and blockchains.
• Manage algorithm design and back testing to produce actionable insights for DeFi portfolio management.
• Automate complex onchain interactions interacting with various DeFi protocols via offchain services.
• Monitor data, forecast risk, and implement optimized triggers to enter opportunistic strategies or exit black swan events before anyone else in the market.
• Maintain trading infrastructure and tools to guarantee operational security and to reduce trust assumptions for our users.
• Build solvers that can find the optimal routing through various DEXs to construct transactions that can process multiple swaps in batch.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed