Open AI training and model evaluation roles that call for C++ & Rust expertise, gathered from 5 platforms. Part of Software Engineering.
Pay figures cover the 41 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
This role involves evaluating and providing feedback on AI-generated Rust code to help improve AI systems' understanding of systems-level programming. You will review code for correctness, memory safety, and performance, working independently on a flexible remote contract basis.
This role involves reviewing and evaluating AI-generated Rust code to ensure correctness, memory safety, and systems-level performance. Experienced Rust engineers will assess the quality of AI outputs, design challenging problems to test AI understanding, and provide structured feedback to improve how AI models reason about systems programming.
This role involves building and optimizing high-performance backend systems and tooling in Rust to support AI data pipelines, annotation workflows, and evaluation systems. You will work on production infrastructure that powers advanced AI model training, collaborating with research and engineering teams on scalable solutions.
A senior C++ engineer will design and build high-performance data pipelines, annotation tooling, and evaluation infrastructure for AI systems. The role involves optimizing backend services for large-scale data processing and quality control in support of model training and validation.
Design and build high-performance C++ systems for AI data pipelines, evaluation workflows, and internal tooling. This role involves optimizing production codebases, developing backend services for data annotation and quality control, and collaborating with research teams to support model training infrastructure.
This role involves designing and optimizing high-performance C++ systems for AI infrastructure, including data pipelines, annotation tooling, and evaluation workflows. The position is ideal for senior C++ engineers who specialize in performance optimization and want to contribute to cutting-edge AI research infrastructure.
This role involves reviewing and evaluating C++ code generated by AI systems to assess its correctness, efficiency, and style. You will provide detailed feedback to help train AI models to better understand C++ programming across various domains and difficulty levels.
Review and evaluate AI-generated Rust code for correctness, memory safety, and idiomatic practices. Create high-quality coding problems and provide structured feedback to improve AI model performance. This role is ideal for experienced Rust developers who want to shape how AI systems understand systems programming.
A senior C++ engineer is needed to design and optimize high-performance data pipelines, annotation tooling, and evaluation systems for leading AI research teams. This fully remote contract role involves full-stack development, system optimization, and collaboration with data and research teams on production-grade infrastructure.
Design and build high-performance Rust systems for AI data infrastructure, including data pipelines, annotation tooling, and evaluation systems that support large-scale AI research. This is a fully remote contract role for senior engineers with deep expertise in systems optimization and concurrent programming.
This role involves writing, debugging, and evaluating AI-generated code to help train and improve AI coding assistants. Software engineers will review code quality, identify bugs and security issues, provide detailed feedback, and design test scenarios to stress-test AI capabilities across various programming languages and frameworks.
This remote contract role asks experienced full-stack developers to review and evaluate code and system designs produced by AI models. The work also includes building tooling for data annotation and quality control, done asynchronously on a flexible schedule. It suits engineers with several years of production experience who can give precise technical feedback.
This remote contract role asks senior full-stack engineers to assess AI-generated code across frontend and backend, judging correctness, quality, and security. It also involves building internal tooling for data annotation and reviewing system designs. It suits experienced engineers who can give precise written feedback that helps AI models write better code.
This contract role asks software engineers to write, review and evaluate code produced by AI systems, giving expert feedback that helps coding assistants become more accurate, secure and reliable. It suits independent developers who can read code closely, explain their technical reasoning in plain writing, and work asynchronously on their own schedule.
This remote contract role asks a senior C++ engineer to design, build and tune high-performance systems that feed data pipelines and evaluation workflows for AI model development. The work also covers annotation tooling, backend services and quality control, with frequent collaboration with data, research and engineering teams. It is aimed at experienced systems engineers who want their code to support frontier AI training at scale.
This freelance role centers on building high-fidelity physics simulations of robots, including accurate robot models, simulation environments, and pipelines that help robots learn to walk, grasp, and navigate. It suits engineers experienced with robotics simulators such as MuJoCo, Isaac Sim, or Gazebo who want to narrow the gap between virtual testing and real-world robot behavior. The work is hourly and remote, with written collaboration conducted in English.
This remote contract role asks experienced Rust engineers to review and critique AI-generated systems code, focusing on memory safety, concurrency, and performance. The work also includes building tooling and backend services for large-scale data validation. It suits seasoned Rust developers who want flexible, task-based work on their own schedule.
This contract role is for senior engineers who build the backend systems behind AI model development. The work covers high-performance pipelines, annotation tooling, and evaluation infrastructure that support model training and benchmarking. It is aimed at engineers with several years of production experience in Go, Rust, Python, or C++ who are fully remote and available 20 to 40 hours per week.
This freelance role asks you to write code and to evaluate code produced by AI models, helping make AI coding assistants more accurate and reliable. You will review AI outputs for correctness, efficiency, and security, then explain your judgments in clear written feedback. It suits experienced programmers who can work independently on a flexible, remote schedule.
This is a remote hourly contract for senior systems engineers who will build and tune the C++ infrastructure behind AI data pipelines, annotation tools and model evaluation. The work centers on performance, reliability and production fixes, carried out alongside research and engineering teams. It suits experienced C++ developers with a systems background who want to work on the infrastructure used to train and ship AI models.
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FAQ
42 C++ & Rust AI training jobs are open on SideHustler today. 2 were posted in the last 7 days. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.
Among the 41 open roles that publish an hourly rate in USD, pay runs from $20 to $300 per hour, with a median of $70. These are the rates the platforms publish, not a guarantee of income or hours.
Alignerr (20), micro1 (14), Mercor (6), DataAnnotation (1) and Vetto (1). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are C++ & Rust, Code Quality & Review, Python, AI Evaluation, Java & TypeScript. Each listing states its own requirements.
Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.
