Senior Rust Blockchain Developer

Responsibilities

• Design, build, and review Rust components on the Autheo node, including consensus-adjacent paths, networking, state, sync, or the execution environment
• Write and review Rust smart-contract or runtime code (CosmWasm or equivalent) and own metering, host interfaces, and sandboxing invariants
• Build and maintain Rust developer tooling such as CLIs, contract SDKs, and DevHub templates
• Write unit, property, and end-to-end tests, maintain CI, and run benchmarks on hot paths
• Operate testnet nodes, Kubernetes deployments, and Prometheus / Grafana dashboards

Requirements

• Public Rust code from a blockchain or systems codebase, with a linked repository or merged pull requests
• 5+ years of production Rust, including async (Tokio), concurrency, and performance debugging
• Hands-on work in a Rust blockchain, node, runtime, or smart-contract stack
• Developer tooling or libraries other engineers depend on
• Comfortable with Linux, Docker, Kubernetes, CI pipelines, full nodes or validators, and Prometheus / Grafana

Preferred Qualifications

• Contributions to public Rust blockchain, runtime, cryptography, or tooling repositories
• Cosmos SDK, IBC, or CosmWasm experience
• Smart-contract language, VM, or Wasm runtime experience
• Applied cryptography in Rust (NIST ML-KEM, ML-DSA, SLH-DSA)
• Teaching, talks, or workshops on Rust or blockchain engineering

Benefits

• Equity in Launch Legends and Autheo plus a THEO token allocation
• Part-time equity/token-based cofounder role, at least 20 hours per week; no cash salary

About the Company

Launch Legends bridges Web3 blockchain technology with Web2 integration through enterprise solutions, DePIN innovations, and decentralized financial infrastructure. Its flagship project, Autheo, is an AI-enabled Layer-0 Operating System with an integrated Layer-1 blockchain.