data annotator jobs in Chicago

RemoteJobsOne is seeking an Electronics Engineer contractor to annotate robotic system videos and analyze electrical schematics for AI training. You will document observations and contribute to clear guidelines for video annotations, collaborating asynchronously with engineering teams.Ideal candidates hold a degree in electronics engineering or related...

YO AI Labs is seeking a flexible Generalist for a remote contractor role. You will support AI and data projects by reviewing, annotating, and evaluating information with high accuracy and quality, helping ensure outputs meet project guidelines and standards. Collaborating with distributed teams, you will deliver clear written feedback, manage time...

DRW Holdings, LLC is seeking a Data Engineer for the Cumberland & Options Data Engineering team in Chicago. You will onboard, transform, and curate datasets to support delta-one trading strategies, collaborating with traders, researchers, and quantitative developers to ensure data quality and accessibility. You will build and maintain core datasets,...

YO AI Labs is seeking a flexible Generalist for a remote contractor role. You will support AI and data projects by reviewing, annotating, and evaluating information with high accuracy and quality, helping ensure outputs meet project guidelines and standards. Collaborating with distributed teams, you will deliver clear written feedback, manage time...

Video Annotation Specialist $50 - $90/hour pay Required Skills video annotation data labeling attention to detail written communication time management video annotation tools collaboration About micro1 micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across...

About Zeigler: Zeigler Automotive Group is one of the largest privately-owned dealer groups in the U.S. with 78 franchises across 35 locations in Wisconsin, Illinois, Indiana, and Michigan. Vehicle brands represented include Toyota, Hyundai, Chevrolet, Fiat, Honda, Ram, Ford, Lincoln, Chrysler, Dodge, Jeep, Maserati, Alfa Romeo, Nissan, Infiniti,...

YO AI Labs is seeking a Child Development Psychologist (PhD) for a remote contractor role to support AI training projects. You will evaluate and annotate data, analyze developmental scenarios, and advise on psychological integrity of AI systems. You will review datasets on child development, assess AI content for accuracy and cultural relevance, and...

Project OverviewWe are currently hiring AI/ML Data Contributors to support a range of active and upcoming projects across the United States. In this role, you will participate in tasks that help improve machine learning models, including data labeling, content evaluation, and user-based testing. Projects may vary in scope and format, offering both remote...

Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomic and clinical data could directly shape how AI understands and advances personalized medicine for patients around the world? We're looking for a Precision Medicine Data Lead to bring together complex healthcare datasets, drive analytical strategy, and help train AI...

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices...

 Who We Are:Dedicated to making a difference in law enforcement agencies across the U.S., our mission is to transform policing by elevating officer performance with a preventative-based early intervention system. Driven by data science and powered by machine learning, our offering analyzes officer performance data in order to identify potentially...

Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands and reasons about hospital systems, clinical workflows, and health data compliance? We're looking for experienced health data governance leaders to help build and evaluate AI models that need to...

Biotech Health Data Governance Lead (AI Training) About The Role What if your expertise in clinical data and regulatory compliance could directly shape how AI understands and handles some of the most sensitive — and consequential — data in the world? We're looking for a Biotech Health Data Governance Lead to ensure that research and clinical trial data...

Are you looking to join a company where your contributions truly matter, and where you'll be part of a supportive, innovative team? MMS is a award-winning, data-focused clinical research organization (CRO). We pride ourselves on being a Great Place to Work certified organization, recognized for our exceptional culture and industry best...

Job DescriptionJob DescriptionGeneralist Job Type: ContractorLocation: RemoteRole Overview We are looking for Generalists with strong analytical and critical-thinking skills to support AI and data-focused projects. The role involves reviewing, evaluating, and annotating information across different topics while maintaining high accuracy and quality.Key...

OverviewWelo Data is looking for sharp, curious, and detail-oriented individuals to join our team as Data Labeling Associate. This is not a traditional annotation role. You’ll be working directly with cutting-edge AI systems — evaluating outputs, identifying gaps, and helping improve how these systems behave in real-world scenarios. The work sits at the...

What You’ll DoEvaluate AI model outputs and provide structured, high-quality feedback Perform audit-based reviews of data and model behavior — identifying patterns, edge cases, and failure modes Apply guidelines thoughtfully — and flag when they don’t reflect real-world scenarios Contribute to improving evaluation frameworks, not just executing...

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Canada, Europe, and Asia, we trade a...

Overview Welo Data is looking for sharp, curious, and detail-oriented individuals to join our team as Data Labeling Associate. This is not a traditional annotation role. You’ll be working directly with cutting-edge AI systems — evaluating outputs, identifying gaps, and helping improve how these systems behave in real-world scenarios. The work...

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk.Headquartered in Chicago with offices...