About the role
Responsibilities Design and ship deterministic WASM-compatible runtime modules with host functions and gas metering Build a Rust contract SDK, cargo-level CLI and client SDKs Wire the toolchain into DevHub with templates, examples and versioned releases Work with DevRel on docs and sample contracts Add CI benchmarks for execution hot paths and fuzz the host interface and contract ABI Requirements Public Rust code you wrote, linked from a GitHub/GitLab profile, crates.io or merged PRs Production Rust: ownership, lifetimes, macros, traits, async Experience inside a VM, interpreter, runtime or compiler Published or maintained a library, SDK or CLI used by other developers Cross-compilation (wasm32, aarch64) and CI pipelines that build, test and release Rust Preferred Qualifications Contributions to ink!/cargo-contract, CosmWasm, wasmtime, wasmer, revm, Stylus, Anchor, Sway or Move Gas metering, deterministic execution or sandboxing design TypeScript SDK experience or adopted API design A public crate, talk, blog post or design doc About the Company Launch Legends is bringing businesses on-chain through its flagship project Autheo, a Layer-0 OS with an integrated Layer-1 blockchain. Mainnet launched May 14, 2026.