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Rust Software Engineer - Distributed Systems

$50-75/hrRemoteFreelanceCODING

About the Role

What if your Rust expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a seasoned Rust engineer to build and optimize the high-performance distributed systems that leading AI labs depend on — from data pipelines and annotation tooling to evaluation infrastructure at scale.

This is a fully remote, flexible contract role for engineers who write production Rust, think deeply about distributed systems, and want their work to matter.

  • Organization: Alignerr
  • Type: Hourly Contract
  • Location: Remote
  • Commitment: 20–40 hours/week

What You'll Do

  • Design, build, and optimize high-performance Rust systems that support AI data pipelines and evaluation workflows
  • Develop full-stack backend services and tooling for large-scale data annotation, validation, and quality control
  • Improve reliability, safety, and performance across existing production Rust codebases
  • Collaborate with data, research, and engineering teams to support model training and evaluation workflows
  • Identify and resolve bottlenecks, edge cases, and systemic issues in distributed data systems
  • Participate in synchronous design reviews and iterate on architecture and implementation decisions

Who You Are

  • 3–5+ years of professional experience writing production-grade Rust
  • Strong background building distributed services using RPC frameworks and managing distributed state or consensus
  • Experienced debugging complex concurrency issues — deadlocks, race conditions — using async instrumentation and tracing tools
  • Clear, precise written and verbal communicator — you can articulate technical decisions to a mixed audience
  • Native or fluent English speaker
  • Available and able to commit 20–40 hours per week

Nice to Have

  • Prior experience with data annotation, data quality pipelines, or model evaluation systems
  • Familiarity with AI/ML workflows, model training, or benchmarking infrastructure
  • Background in developer tooling or platform engineering

Why Join Us

  • 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 thinking
  • Freelance autonomy with the structure of meaningful, high-stakes engineering work
  • Tackle genuinely hard technical problems at the intersection of systems engineering and AI
  • Potential for ongoing engagement and expanded scope as projects evolve