Lead Systems Engineer (Rust) - AI Platform
Alignerr
Lead Systems Engineer (Rust) - AI Platform About the Role What if your deep Rust expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior Rust Full-Stack Engineer to build and optimize the high-performance systems that leading AI labs depend on - from data pipelines and annotation tooling to evaluation infrastructure that runs at scale. This is a fully remote contract role with meaningful, senior-level work and real impact on production AI systems.
- Organization
: Alignerr - Type
: Hourly Contract - Location
: Remote - Commitment
: 20-40 hours/week
- Design, build, and optimize high-performance Rust systems supporting AI data pipelines and evaluation workflows
- Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
- Improve reliability, performance, and safety across existing Rust codebases
- Identify bottlenecks and edge cases in data and system behavior, and implement scalable, production-ready fixes
- Collaborate with data, research, and engineering teams to support model training and evaluation workflows
- Lead synchronous design reviews, iterating on system architecture and implementation decisions with cross-functional teams
- Native or fluent English speaker with clear written and verbal communication skills
- 5+ years of professional experience writing production Rust, with a strong focus on system architecture and API design
- Deep expertise in FFI (Foreign Function Interface) and unsafe Rust boundaries to optimize cross-language interactions
- Advanced knowledge of asynchronous runtimes and ensuring thread safety in complex, multi-threaded environments
- Comfortable leading system design reviews and driving technical decisions independently
- Able to commit 20-40 hours per week consistently
- Prior experience with data annotation, data quality, or evaluation systems
- Familiarity with AI/ML workflows, model training, or benchmarking pipelines
- Experience with distributed systems or developer tooling
- Background contributing to or maintaining open-source Rust projects
- Work on real production systems used by leading AI research labs - not toy projects
- Fully remote and async-friendly - work from wherever you do your best work
- Senior-level, technically challenging work that moves fast and matters
- Collaborate with top engineers and researchers at the frontier of AI development
- Potential for ongoing work and contract extension as projects scale
Vacancy posted 3 days ago
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