Open AI training and model evaluation roles that call for Data Annotation expertise, gathered from 9 platforms. Part of Data & Machine Learning.
Pay figures cover the 218 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 annotating clinical data from Electronic Health Records to train AI systems. Clinically knowledgeable professionals will review and label medical information including diagnoses, procedures, and clinical notes to improve AI understanding of healthcare data.
This role involves evaluating and validating AI-generated content related to EMR/EHR systems, clinical workflows, and healthcare IT best practices. The specialist leverages hands-on experience with platforms like Epic and Cerner to assess accuracy, identify errors in AI outputs, and provide detailed feedback to improve AI models' understanding of real-world healthcare operations.
This role involves applying environmental engineering expertise to improve AI models' reasoning about physical and chemical processes. You will create technical problems, develop reference solutions, and audit AI-generated engineering outputs to identify and correct modeling failures across water treatment, air quality, remediation, and environmental compliance domains.
This remote position involves developing and reviewing advanced environmental science problems to support AI model training. Environmental science experts with advanced degrees will apply their knowledge in climate modeling, ecology, or sustainability to create complex problem statements and enhance AI model reasoning through collaboration with research teams.
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.
Film Scene Description Specialists watch video clips and write detailed, structured descriptions of visual elements like camera movement, framing, and mood to train AI systems. This remote contract role is ideal for people passionate about visual storytelling who can translate cinematic language into precise prose.
A finance professional creates realistic accounting task scenarios and scoring rubrics to train and evaluate AI agents on financial reconciliation work. The role combines deep accounting expertise with AI training task design, requiring the ability to author complex, numerically rigorous problems and validate their correctness.
A bilingual Finance Analyst will review and validate financial documents and datasets in Spanish and English, assessing data accuracy and producing structured summaries to support AI organizations. The role combines financial expertise with language skills to ensure high-quality bilingual financial datasets.
This role involves auditing and refining AI-generated financial modeling tasks to ensure they accurately reflect professional analyst workflows. The ideal candidate combines deep financial expertise with Python and GitHub proficiency to review AI outputs, validate instructions, and edit code and documentation to meet professional standards.
This role involves reviewing and refining AI-generated financial modeling tasks to ensure they accurately reflect how professional analysts work. Finance experts with Python skills will audit task instructions, validate scoring rubrics, and directly edit code and documentation via GitHub to fix logic errors and improve clarity.
This role involves reviewing and improving AI-generated financial modeling tasks by auditing their accuracy and editing their instructions and code. You will work as a Finance Subject Matter Expert with Python and GitHub skills to ensure AI outputs match how real financial analysts actually work, validating everything from DCF analysis to financial statement interpretation.
This contract role centers on producing exact, verbatim transcripts of recorded German speech, including difficult audio with overlapping voices and background noise. It suits native German speakers with strong listening skills who can work patiently and independently through detailed transcription guidelines.
This remote, freelance role asks compliance and risk specialists to help build and assess AI systems that reason about security governance. The work centers on checking security policies, controls, and audit documentation against established frameworks and writing precise feedback that teaches models the nuances of compliance logic. It suits experienced GRC, compliance, or information security professionals who can work independently on flexible hours.
This remote contract role involves reviewing transcripts of AI-assisted healthcare phone calls held in Central American Spanish. Labelers judge how the AI confirms patient details, handles health concerns and poor audio, and explains scheduling and next steps. It suits native or near-native Spanish speakers with basic healthcare knowledge who can follow detailed guidelines.
This contract role involves labeling and checking clinical and medical research datasets so they can train medical AI systems. It suits people with a healthcare, clinical research, or life sciences background who can apply detailed annotation guidelines consistently and document their reasoning on ambiguous cases.
This contract role centers on producing accurate transcriptions of spoken Hindi recordings to build datasets that help AI systems understand the language. It suits native Hindi speakers with sharp listening skills who want to work remotely and independently, and no prior AI experience is required.
This remote contract role asks an IAM specialist to help train and evaluate AI systems on identity and access security problems. The work covers reviewing access control scenarios, spotting misconfigurations and attack paths, and writing structured feedback. It suits experienced identity security professionals who can explain how identity failures happen in real enterprise environments.
This is a remote contract role for a senior Rust engineer who will design, optimize, and lead the backend systems behind AI data pipelines and model evaluation workflows. The work involves reliability, performance, and safety of production codebases, and suits experienced systems engineers who can also lead architecture discussions with research and engineering teams.
This contract role involves turning mathematical theorems, lemmas, and proofs from textbooks and articles into precise, machine-checked Lean 4 code. The work also includes checking existing formalizations for logical soundness and flagging gaps in informal arguments, with the output used to build datasets that teach AI systems to reason about mathematics. It suits mathematicians and formal verification experts who can work independently and on their own schedule.
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.
Add your resume once. Every open job is scored against your profile, and we email you only when a strong match appears. Free.
FAQ
242 Data Annotation AI training jobs are open on SideHustler today. 3 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 218 open roles that publish an hourly rate in USD, pay runs from $6 to $400 per hour, with a median of $60. These are the rates the platforms publish, not a guarantee of income or hours.
Alignerr (93), micro1 (82), Mercor (40), xAI (17), DataAnnotation (3), Mindrift (2), Terac (2), Vetto (2) and Handshake AI (1). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are Data Annotation, AI Evaluation, Content Annotation, Multilingual Expertise, Audio Transcription. 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.
