Senior DeFi Engineer - Infrastructure; Blockchain

Senior DeFi Engineer - Infrastructure (with Blockchain Experience)

Shape the Future of Blockchain—Bringing Business On-Chain

We’re offering a unique opportunity to join Launch Legends (and Autheo
) as a part-time Equity Cofounder. Founded nearly four years ago, Launch Legends is at the forefront of bridging Web3 blockchain technology with the next evolution of Web2 integration—bringing businesses on‑chain through enterprise‑grade solutions, DePIN innovations, and decentralized financial infrastructure.

Our flagship project,
Autheo
, is an AI-enabled Layer-Zero OS with an integrated Layer-1 blockchain and complete decentralized infrastructure that includes decentralized compute, storage, identity, and service marketplaces, as well as a Full-stack development environment (Dev Hub)—engineered for scalable enterprise adoption, developer innovation, and real‑world blockchain integration.

• Autheo –
• Autheo Team –
• Launch Legends (Parent Company) – https://(Use the "Apply for this Job" box below)..io
• Twitter – /

• Enterprise-Grade Layer-1 Blockchain – High-speed, self-securing, and cost-efficient infrastructure built for scale.
• Developer Hub & Application Marketplace – A decentralized platform where developers build, deploy, and monetize real-world apps.
• Web2-Web3 Integration – Microservices, SDKs, and governance frameworks for seamless business migration.
• Decentralized Cloud & Compute – Secure, privacy-preserving storage and AI-powered compute for next-gen applications.
• DePIN Infrastructure – On-chain networks powering real-world infrastructure ownership and resource sharing.

• Wallet Accounts: 290,000+
• Twitter Followers: 30,000+
• Discord Members: 19,000+
• Smart Contracts Deployed: 30,000+
• Developers Registered for MVP Dev Hub: 7,500+

This is a part-time equity / token-based cofounder opportunity. You will receive equity in Launch Legends
, Autheo
, and the WFO Creator Network
, along with token allocations in the Autheo blockchain. We have already completed an initial financing round to support infrastructure and marketing, and are currently in discussions with VCs and crypto investors to fund expansion and salaries. Salaried compensation is expected to begin within 4 to 5 months, following our node, token sales or funding.

Autheo is building a sovereign data platform unifying petabyte-scale pipelines, federated lakehouse analytics, and 200 GB/s streaming with 25 µs query latencies, unbreakable encryption, and GDPR/HIPAA compliance.

As a part-time Senior DeFi Engineer – Infrastructure in an equity-based cofounder role, you’ll design scalable DeFi backends using Node.js, Scala, and Kubernetes, powering liquidity aggregators, cross-chain routers, and order books across DePIN networks. This role is critical to enabling sub-millisecond finality and post-quantum signatures  you’re passionate about DeFi infrastructure and Web3, join us to shape the backbone layer for the next trillion-dollar decentralized economy.

• DeFi Infrastructure Architecture
• 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, Postgre
  
  SQL 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 infra 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.
• Create sandbox environments for…