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Rust Engineer - AI Training

Braintrust

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Contract Type:
Not provided

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Salary:

50.00 - 80.00 USD / Hour

Job Description:

As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models while giving you the flexibility of impactful, detail-oriented remote contract work.

Job Responsibility:

  • Review AI-generated Rust code and explanations or generate your own
  • Evaluate the reasoning quality and step-by-step problem-solving
  • Provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained
  • Assess solutions for correctness, safety, and adherence to the prompt
  • Identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning
  • Fact-check information
  • Write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns
  • Rate and compare multiple AI responses based on correctness and reasoning quality
  • Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning
  • Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance
  • Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases

Requirements:

  • 1–2+ years of professional Rust development experience in backend, CLI, or systems-focused projects
  • Strong understanding of Rust’s ownership, borrowing, and lifetime model, with the ability to reason clearly about aliasing and data races
  • Solid software engineering experience in at least one of backend services, command-line tools, or systems programming using Rust
  • Ability to evaluate safe, idiomatic Rust code, including appropriate use of traits, generics, pattern matching, and error handling
  • Significant experience using LLMs or AI coding assistants while programming, combined with a disciplined approach to validating their output
  • Excellent English writing skills, capable of producing precise, structured, and pedagogical technical explanations
  • Minimum Bachelor’s degree in Computer Science or a closely related technical field
  • Minimum C1 English proficiency and an extremely detail-oriented working style are required

Nice to have:

  • Previous experience with AI data training, code review at scale, or evaluation of AI-generated technical content is strongly preferred
  • Highly preferred: experience with Tokio, Actix, Serde, and async Rust patterns in production or advanced side projects
  • Preferred: competitive programming experience, contributions to Rust open-source ecosystems, and demonstrated ability to reason about performance, concurrency, and correctness in Rust code
What we offer:

Get rewarded with BTRST, Braintrust's cryptotoken, for inviting talent, taking a class—even signing up! Use token rewards to help shape the future of the platform

Additional Information:

Job Posted:
February 04, 2026

Employment Type:
Parttime
Work Type:
Remote work
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