Senior DeFi Engineer – Infrastructure, Blockchain Experience
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Job Description
Senior DeFi Engineer designing scalable DeFi backends using Node.js and Kubernetes for Launch Legends. Join a team transforming Web3 infrastructure with innovative DeFi solutions and technology.
Responsibilities:
- Design scalable DeFi backends using Node.js, Scala, and Kubernetes
- Build liquidity aggregators, routers, and order books for DAG + BFT consensus
- Implement bridges and relayers for 20+ chain asset transfers with sub-millisecond finality
- Design oracle networks for tamper-proof feeds and MEV-resistant DeFi operations
- Optimize backends with CQRS, PostgreSQL sharding, and Kubernetes for billions of transactions
- Integrate KYC/AML-compliant fiat ramps while preserving non-custodial DeFi principles
- Ensure 50B+ TPS scalability with distributed systems and consensus algorithms
- Embed post-quantum signatures for unbreakable DeFi infrastructure security
- Develop anomaly detection tools and automated audits for real-time risk mitigation
- Generate zk-proof trails for compliance and infrastructure governance
- Design infrastructure compatible with Ethereum, Solana, Polkadot, and Cosmos ecosystems
- Implement high-throughput relayers for seamless cross-chain liquidity pooling
- Integrate CEX APIs like Binance for hybrid custodial/decentralized execution
- Deliver SDKs (Node.js/Go) for single-command infra deployments
- Build self-service consoles for DeFi backend scaling in <5 minutes
- Create sandbox environments for rapid infrastructure testing
- Mentor engineers and contribute to open-source DeFi infra components
Requirements:
- Bachelor’s/Master’s in Computer Science, Engineering, or equivalent
- 7+ years building DeFi infrastructure with aggregators, bridges, or oracles
- Expertise in Node.js, Scala, Go, and tools like AWS, Docker, RabbitMQ
- Proficiency in cross-chain mechanisms, liquidity protocols, and security audits
- Background in Polkadot/Substrate contributions or enterprise DeFi networks (preferred)
- Experience with open-source bridges or oracle decentralization (preferred)
- Contributions to Axelar/Wormhole standards or patents (preferred)
Benefits:
- Equity in Launch Legends, Autheo, and the WFO Creator Network
- Token allocations in the Autheo blockchain
- Initial financing round completed for infrastructure and marketing
- Salaried compensation expected to begin within 4 to 5 months
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