Open AI training and model evaluation roles that call for Machine Learning expertise, gathered from 8 platforms. Part of Data & Machine Learning.
Pay figures cover the 70 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
A fully remote contract role where PhD-level biochemists create expert-level problems, author gold-standard solutions, and audit AI-generated biochemical reasoning to train and improve scientific AI models. Ideal for biochemists passionate about scientific rigor who want to shape the accuracy of next-generation AI without requiring prior AI experience.
This role involves designing and evaluating advanced biology problems to help train AI models to reason rigorously about scientific topics like genetics, biotechnology, and bioinformatics. Masters and PhD holders in biology will apply their domain expertise to assess AI-generated reasoning for scientific accuracy and clarity in a fully remote, flexible contract position.
This role involves creating and evaluating biology problems to test and improve AI models' scientific reasoning capabilities. Biology masters-level experts will design rigorous test cases, assess AI outputs for accuracy, and provide feedback to enhance model performance across various biology domains.
This role involves developing environmental science problems and evaluating AI model outputs for accuracy in climate, ecology, and sustainability domains. Climate Data Specialists with advanced environmental science degrees will design complex scientific scenarios and assess AI-generated content for scientific rigor and clarity in support of AI model training.
Review and evaluate AI-generated JavaScript code for correctness and efficiency, and write high-quality JavaScript solutions to coding problems. Create clear explanations for code logic and identify edge cases. This role is ideal for JavaScript experts who want to contribute to improving AI models.
This role involves evaluating and improving AI models that process visual data, including images and video. Computer vision and machine learning experts will assess model outputs, identify failure modes, create training annotations, and provide technical feedback to guide the development of AI systems used at scale.
This role involves designing advanced data science challenges, writing benchmark solutions, and auditing AI-generated code to improve AI reasoning and reliability. It is designed for experienced data scientists who want flexible, intellectually demanding work training and evaluating machine learning systems.
This role involves designing complex data science challenges and authoring ground-truth solutions to train and evaluate advanced AI models. Data scientists will audit AI-generated code, identify logical reasoning failures, and provide structured feedback to improve model performance across machine learning, statistical inference, and data engineering domains.
A physics expert will design and evaluate problems across multiple physics domains to help train and refine AI models. The role involves creating rigorous physics problems, developing detailed solutions, assessing AI responses for accuracy and reasoning quality, and providing feedback to improve AI systems' physics comprehension.
This role involves creating physics problems and evaluating AI-generated solutions to train and improve AI models' reasoning abilities. You will work remotely for an AI training platform, using your deep physics expertise to design rigorous problem sets and provide feedback on AI responses across undergraduate to graduate-level physics domains.
This is a remote, hourly contract role in which experienced machine learning and software engineers write step-by-step reasoning logs and training datasets that teach frontier AI models how to solve complex technical problems. The work also involves auditing and refining AI-generated reasoning chains for errors and logical gaps. It is aimed at technical professionals who can work independently and on their own schedule.
This remote contract role asks domain experts with graduate-level training to write hard machine learning evaluation problems that test how advanced AI systems reason. Specialists also judge AI-generated solutions for correctness, creativity and methodological rigor, and they document difficulty and likely failure modes. It suits researchers whose deep, niche expertise goes beyond standard ML knowledge.
This remote contract role asks you to build and refine MuJoCo simulation environments that teach AI agents locomotion, manipulation, and multi-agent coordination. It is aimed at experienced robotics and machine learning practitioners who are comfortable with physics simulation, reinforcement learning, and robot control.
This contract role centers on building and refining physics simulation environments in MuJoCo so that AI agents can learn locomotion and manipulation tasks. It suits experienced robotics and reinforcement learning practitioners who can work independently and asynchronously with research teams.
This contract role centers on building and refining MuJoCo physics simulation environments where AI agents learn locomotion, manipulation, and multi-agent coordination. It suits experienced robotics and machine learning practitioners who work on reinforcement learning, robot control, and simulation debugging, mostly on their own in an asynchronous, remote setting.
This contract role centers on building MuJoCo physics simulations where AI agents practice locomotion, manipulation, and multi-agent tasks. It suits experienced robotics and machine learning practitioners who can design reinforcement learning setups, tune reward functions, and debug contact dynamics. The work is fully remote, asynchronous, and paced by milestones.
This contract role centers on building and refining MuJoCo physics simulations where reinforcement learning agents practice locomotion, manipulation, and coordination tasks. It suits experienced robotics and machine learning practitioners who can design reward functions, debug contact dynamics, and document their work independently in a remote, asynchronous setting.
This contract role centers on building MuJoCo physics simulation environments and training reinforcement learning agents to carry out robotic tasks such as locomotion and manipulation. It suits experienced robotics and machine learning practitioners who are comfortable with physics simulation, policy training and robot control, and who can work independently on milestone-based projects.
This contract role asks a robotics and machine learning specialist to build and refine MuJoCo simulation environments that train AI agents on physical tasks such as locomotion and manipulation. It suits experienced practitioners in physics simulation, reinforcement learning and robot control who can work independently and document their results clearly.
This remote contract role centers on building physics simulation environments in MuJoCo that teach AI agents to move and manipulate objects. It suits experienced practitioners who combine robot control, reinforcement learning, and physics simulation expertise.
Add your resume once. Every open job is scored against your profile, and we email you only when a strong match appears. Free.
FAQ
78 Machine Learning 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 70 open roles that publish an hourly rate in USD, pay runs from $16 to $400 per hour, with a median of $95. These are the rates the platforms publish, not a guarantee of income or hours.
Mercor (30), Alignerr (26), micro1 (16), DataAnnotation (2), Handshake AI (1), Terac (1), Turing (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 Machine Learning, AI Evaluation, Deep Learning, Python, Data Annotation. 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.
