Senior API & Interoperability Engineer; Part Time

Senior API & Interoperability Engineer (Part Time)

Join to apply for the Senior API & Interoperability Engineer (Part Time) role at AUTHEO.

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
• Twitter – /

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 the world’s first unified cross‑chain API platform, orchestrating 1M+ TPS between Ethereum, Solana, Polkadot, Cosmos, and 20+ ecosystems with sub‑50ms latency, zero‑knowledge security, and seamless dApp composability across $1T+ in total value locked.

• Cross‑Chain API Architecture
• Architect Graph
  
  QL Federation and gRPC gateways unifying Ethereum, Solana, Polkadot, Cosmos, and Autheo’s Layer‑1 into a single API schema.
• Implement high‑performance adapters translating REST/SOAP/Web3 RPC calls into secure, unified APIs capable of 1M+ TPS.
• Build event streaming systems delivering blockchain logs and transactions to dApps under 100 ms latency.
• Secure Bridge Protocols
• Develop atomic cross‑chain swap engines with zk‑proof settlement and threshold‑signature validation across 1,000+ validators.
• Embed advanced cryptography for transaction confidentiality and fault‑tolerant bridge custody.
• Zero‑Knowledge Verification & Privacy
• Implement zk‑SNARK/STARK layers for proof‑of‑state without data exposure.
• Enable confidential cross‑chain asset transfers and privacy pools supporting regulatory auditability.
• Multi‑Protocol Event Orchestration
• Design Kafka‑based cross‑chain event buses processing tens of billions of events daily.
• Apply saga orchestration patterns ensuring consistency across heterogeneous blockchains.
• Engineer global webhook networks providing