Senior DeFi Engineer – General; Blockchain

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) — (Use the "Apply for this Job" box below)..io
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With nearly 100 equity cofounders from leading companies and institutions—many with advanced degrees and PhDs—Autheo is solving the critical challenges blocking business adoption of blockchain technology.

• 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 200GB/s streaming with 25 µs query latencies, unbreakable encryption, and GDPR/HIPAA compliance.

As a part-time Senior DeFi Engineer – General in an equity-based cofounder role, you’ll design full‑spectrum DeFi solutions using Solidity, React.js, and Node.js, powering smart contracts, liquidity pools, and hybrid CEX/DEX systems across DePIN networks. This role is critical to enabling non-custodial wallets and global tokenomics  you’re passionate about end-to-end DeFi and Web3, join us to shape the ecosystem layer for the next trillion-dollar decentralized economy.

• DeFi Solution Development
  • Build smart contracts for liquidity pools, staking, governance, and cross‑chain swaps.
  • Implement hybrid CEX/DEX models with API aggregations from Binance and Coinbase.
  • Design token redistribution systems balancing economics and on‑chain performance.
• Scalability & Optimization
  • Optimize DeFi apps for 50B TPS with Patricia Trie and consensus mechanisms.
  • Integrate non‑custodial wallets with fiat ramps and virtual card support.
  • Ensure full‑stack integration using React.js/Next.js for seamless dApp UIs.
• Security & Auditing
  • Embed post‑quantum cryptography for unbreakable DeFi wallet and contract security.
  • Conduct smart contract audits and risk assessments for global compliance.
  • Generate zk‑proof trails for KYC/AML and governance transparency.
• Interoperability
  • Design solutions compatible with EVM, Polkadot, and Hyperledger ecosystems.
  • Implement bridges for asset transfers and liquidity routing across chains.
  • Integrate oracles and off‑chain APIs for hybrid DeFi operations.
• Developer Ecosystem
  • Deliver SDKs (Type Script/Python) for rapid DeFi module deployment.
  • Build self‑service tools for tokenomics simulation in