Senior API & Interoperability Engineer; Part Time

Overview

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 bridges Web3 blockchain technology with 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.

Our Projects

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

About Autheo

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.

Key Features:

• 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.

Traction (Testnet Launch):

• 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+

Compensation & Growth Path

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.

ROLE—Senior API & Interoperability Engineer

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
.

As a part-time Senior API & Interoperability Engineer, you’ll design and implement REST, Graph

QL, and gRPC bridges
, protocol adapters, and event systems in Go and Rust
—powering atomic DeFi swaps
, sovereign data federation
, AI model marketplaces
, and DePIN orchestration across diverse blockchains.

This mission-critical role advances Autheo’s Layer-0/Layer-1 interoperability stack through AI-driven protocol translation
, unifying fragmented ecosystems into one seamless multi-chain fabric. If you’re passionate about protocol engineering and cross-chain systems, this is your opportunity to help shape the API layer connecting the next trillion-dollar decentralized economy.

2. 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.

3. Zero-Knowledge Verification & Privacy

• Implement zk-SNARK/STARK layers for proof-of-state without data exposure.
• Enable…