Senior DeFi Engineer - General (with Blockchain Experience)

Launch Legends•Cheyenne, WY

About The Position

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 thast includes decentralized compute, storage, identity, and service marketplaces, as well as a Full-stack development enveronment (DevHub)—engineered for scalable enterprise adoption, developer innovation, and real-world blockchain integration. Autheo is building a sovereign data platform unifying petabyte-scale pipelines, federated lakehouse analytics, and 200GB/s streaming with 25μs 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 at scale. If you’re passionate about end-to-end DeFi and Web3, join us to shape the ecosystem layer for the next trillion-dollar decentralized economy.

Requirements

Bachelor’s/Master’s in Computer Science, Engineering, or equivalent.
7+ years in general DeFi development with full-stack blockchain launches.
Expertise in Solidity, React.js, Node.js, and protocols like Polkadot JAM.
Proficiency in tokenomics, AMMs, cross-chain, and cryptographic security.

Nice To Haves

Background in founding DeFi startups or P2E economies.
Experience with Unity integrations or data privacy DeFi tools.
Contributions to JAM Protocol or open-source liquidity models.

Responsibilities

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 (TypeScript/Python) for rapid DeFi module deployment.
Build self-service tools for tokenomics simulation in <5 minutes.
Contribute open-source components for community-driven DeFi standards.
Leadership & Innovation
Collaborate with primitives, infrastructure, and data teams for integration.
Lead DeFi product reviews for scalability and user adoption.
Mentor engineers and explore hybrid models like in-game DeFi.
Publish at Devcon/Token2049 on general DeFi advancements.