data annotator jobs in Chicago

254 data annotator job listings in United States. Find daily updated positions from leading job boards.


  • Chicago, Illinois, United States P2P Inc. Full-time

    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...


  • Chicago, IL, United States Welo Global Full-time

    \n What You’ll Do Evaluate 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...


  • Chicago, Illinois, United States DRW Holdings, LLC. Full-time

    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...


  • Chicago, IL, United States YO AI Labs Full-time

    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...


  • Chicago, IL, United States YO AI Labs Full-time

    Job DescriptionJob DescriptionVideo Annotation Specialist Job Type: ContractorLocation: RemoteRole Overview We are looking for detail-oriented Video Annotation Specialists to review and annotate videos of robotic arms performing various tasks. The role involves accurate video labeling and structured data annotation to support AI and machine-learning...

  • Account Executive

    21 hours ago


    Chicago, Illinois, United States Clera Remote Full-time $160,000 - $200,000 Contract

    About the RoleThis is an early Account Executive seat at a pre-seed AI data company that supplies expert annotation, RL environments, evals, and clinician-anchored benchmarks to frontier and neo AI labs. You will report directly to the founder with no layers, and you will own lab relationships from first conversation through close and expansion.What You'll...


  • Chicago, Illinois, United States smartdept. Full-time

    smartdept. is searching for a Digital Product Designer for a travel and hospitality industry client. The ideal candidate will come with 4+ years of experience. This is a project-based, fully remote, ongoing contract opportunity with the possibility of extension.  This team operates within a highly technical digital product framework, supporting...

  • Data Science Expert

    6 days ago


    Chicago, Illinois, United States Alignerr Remote Full-time $40 - $80 Permanent

    Data Science Expert — AI Content Specialist About The Role What if your deep knowledge of machine learning, statistics, and data engineering could directly shape how the next generation of AI thinks and reasons? We're looking for Data Science Experts to help train and refine cutting-edge AI models — working alongside world-leading AI research labs from...


  • Chicago, Illinois, United States YO AI Labs Full-time

    YO AI Labs seeks an AI Data Science Domain Expert to review and refine AI-generated content, improve model accuracy, and contribute to robust AI systems. You will evaluate technical material, perform data annotation, and provide clear, reportable insights while working remotely on a part-time basis. No prior AI experience is required; data science expertise...


  • Chicago, Illinois, United States Alignerr Remote Full-time $15 - $35 Permanent

    About The Role What if your deep command of Polish and your leadership instincts could directly shape how AI learns to understand spoken language? We're looking for a Subject Matter Expert (SME) to lead our Polish audio transcription project. Chicago's large and active Polish-speaking community makes this a standout opportunity for local talent ready to...


  • Chicago, Illinois, United States Alignerr Remote Full-time $30 - $65 Permanent

    Health Informatics Analyst (AI Training) About The Role We're looking for Health Informatics Analysts to bring their clinical data expertise to one of the most impactful frontiers in technology — AI development. At Alignerr, we partner with the world's leading AI research labs to build and train cutting-edge models. Your deep understanding of healthcare...


  • Chicago, Illinois, United States Alignerr Remote Full-time $35 - $75 Permanent

    Population Health Informaticist (AI Training) About The Role We partner with the world's leading AI research teams and labs to build smarter, more accurate AI models. We're looking for Population Health Informaticists to bring their expertise to projects that sit at the intersection of public health, data science, and artificial intelligence. Your domain...


  • Chicago, Illinois, United States Alignerr Remote Full-time $40 - $80 Permanent

    Clinical Business Intelligence Manager (AI Training) About The Role What if your expertise in clinical analytics could directly shape how AI understands and improves healthcare? We're looking for an experienced Clinical Business Intelligence Manager to lead a team translating complex healthcare data into actionable insights — and in doing so, help train...


  • Chicago, Illinois, United States InMobi Full-time $140,500 - $175,000 Contract

    InMobi (Corporate) InMobi Group is a global technology company shaping the future of agentic commerce and advertising. Through its ecosystem of businesses — including InMobi Advertising and flagship consumer platform Glance — InMobi leverages data, machine learning, and generative AI to help brands reach audiences more precisely and consumers discover...


  • Chicago, Illinois, United States Turing Remote Full-time $190 - $200 Permanent

    About Turing:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

  • Video Editor Expert

    22 hours ago


    Chicago, IL, United States YO AI Labs Full-time

    Job DescriptionJob DescriptionCreative & Design Specialist Role Type: ContractorLocation: Remote, WorldwideSchedule: FlexibleRole Overview micro1 is engaging Creative & Design Specialists to support a customer project focused on graphic design, multimedia production, UI/UX, motion graphics, and creative workflows.You'll use your professional design expertise...


  • North Chicago, Illinois, United States PowerToFly Full-time

    Company DescriptionAbout AbbVieAbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives across several key therapeutic areas including immunology, oncology and neuroscience - and products and...


  • Chicago, United States Turing Salary Full-time $190 - $200 Contract

    About Turing:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...


  • Chicago, IL, United States Amazon Inc. Full-time

    Amazon Inc. in Chicago, IL is seeking a Senior Conversation Designer to shape how Alexa+ communicates with customers.You will define voice, tone, and language guidelines, write prompts, and annotate data to improve model behavior, working with UX, researchers, product, science, and engineering. The role emphasizes leadership in design processes, creating...

  • Senior Java Developer

    23 hours ago


    Chicago, Illinois, United States Jobsbridge Full-time

    Company DescriptionJobs Bridge Inc is among the fastest growing IT staffing / professional services organization with its own job portal. Jobs Bridge works extremely closely with a large number of IT organizations in the most in-demand technology skill sets.Job DescriptionMultiple positions Knowledge, Skills and Experience: 7+ yrs of architecture, design...