Rust Architect / Backend Developer

Rust Architect / Backend Developer Pay: $50–$70/hour Location: Global, fully remote Job Type: Contractor (~15 hours per week) Schedule: Flexible—you can choose the hours and days you work, including weekends if desired (As long as you're active) We are looking for a highly skilled Rust Architect / Backend Developer to contribute to an AI-training project involving production Rust, backend architecture, asynchronous and concurrent systems, service design, infrastructure, and technical debugging. The role requires strong programming ability and the judgment to evaluate whether backend systems are correct, reliable, maintainable, and suitable for production use. Scope of Work Solve and validate Rust backend problems involving service behavior, APIs, persistence, concurrency, performance, and reliability. Translate functional requirements, performance targets, and failure-handling expectations into reproducible implementation and testing workflows. Prepare Rust crate workspaces, configuration files, test fixtures, dependency services, databases, and containerized environments. Preferred Qualifications Strong knowledge of Rust, backend service design, APIs, data systems, concurrency, and production software architecture. Experience formulating and completing technical analyses involving backend correctness, performance, scalability, or reliability. Practical proficiency with Rust in substantial professional, research, or open-source software Clear Rust Architecture ownership Proce