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Contract Data Annotation Analyst Jobs in California

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Hands-on experience with 2D and 3D annotation tools and platforms * Strong understanding of data management principles and basic data analysis concepts * Demonstrated ability to follow detailed ...

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Data Annotator

Sunnyvale, CA

$136K - $163K/yr

Hands-on experience working with various 3D/2D annotation tools. Strong knowledge of computer basics, data management techniques, and data analysis platforms. A proven track record of finding subtle ...

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Data Operations Engineer

Mountain View, CA · On-site

$136K - $163K/yr

... and basic analysis. • Experience working with real-world datasets, including handling data ... with data annotation, labeling workflows, or dataset preparation for machine learning. • ...

Experience in autonomous vehicle data annotation, including LiDAR/Point Cloud and 2D image labeling ... Familiarity with AI/ML concepts, data management, and data analysis platforms. About Us: Arthur ...

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Contract Compensation: $70-$100/hour Location: Remote Commitment: 40 hours/week Role ... Design challenging data science tasks and write accurate, well-structured analytical solutions.

Data Operations Engineer

Mountain View, CA · On-site

$136K - $163K/yr

... and basic analysis. • Experience working with real-world datasets, including handling data ... with data annotation, labeling workflows, or dataset preparation for machine learning. • ...

Data Labeling Associate

San Diego, CA · On-site

$17 - $22/hr

The ideal candidate will have a foundational understanding of machine learning, data annotation ... Quality Assurance and Analysis: * Conduct manual quality analysis of model results. * Recognize ...

Data Labeling Associate

San Diego, CA

$17 - $22/hr

The ideal candidate will have a foundational understanding of machine learning, data annotation ... Quality Assurance and Analysis: * Conduct manual quality analysis of model results. * Recognize ...

Data Operations Engineer

Mountain View, CA · On-site

$136K - $163K/yr

... and basic analysis. • Experience working with real-world datasets, including handling data ... with data annotation, labeling workflows, or dataset preparation for machine learning. • ...

Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.

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Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.

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Contract Data Annotation Analyst information

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Infographic showing various Contract Data Annotation Analyst job openings in California as of June 2026, with employment types broken down into 100% Full Time. Highlights an 79% Physical, 3% Hybrid, and 18% Remote job distribution.
Data Annotator (Autonomous Vehicle / AI)

Data Annotator (Autonomous Vehicle / AI)

Icon Consultants

San Francisco, CA • On-site

$32 - $39/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 2 days ago

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Job description

Data Annotator (Autonomous Vehicle / AI)

Location: San Francisco, CA 94103
Schedule: Hybrid, Monday - Friday 8AM - 5PM
Duration: 6 months (possible extension)
Pay Rate: $32.00 - $39.00 per hour (depending on experience)

Position Overview

We are seeking a highly skilled Data Annotator to support the development of advanced autonomous driving systems. In this role, you will convert complex sensor data into high-quality training datasets used to power machine learning models. This position plays a critical role in ensuring the safety, accuracy, and performance of AI-driven solutions.

The ideal candidate is detail-oriented, technically proficient in 2D and 3D annotation, and understands the importance of precision in data labeling for real-world applications.

Key Responsibilities

  • Annotate 3D sensor data (LiDAR/point cloud) and 2D camera imagery using bounding boxes, cuboids, polygons, and pixel-level semantic segmentation
  • Identify, label, and classify objects and environmental elements according to defined taxonomies and project guidelines
  • Label road features, infrastructure, and traffic elements to support the creation of high-definition (HD) maps
  • Perform detailed quality assurance reviews to ensure data accuracy, consistency, and completeness
  • Collaborate with engineering and data teams to refine annotation guidelines and improve model performance
  • Meet production targets and deadlines while maintaining high-quality standards
  • Stay current with industry advancements in data annotation tools, AI/ML workflows, and data management practices

Basic Qualifications

  • Bachelor’s degree or equivalent experience
  • Minimum of 3 years of professional data annotation experience, including work with 3D datasets or autonomous driving applications
  • Hands-on experience with 2D and 3D annotation tools and platforms
  • Strong understanding of data management principles and basic data analysis concepts
  • Demonstrated ability to follow detailed instructions and identify subtle inconsistencies or anomalies in datasets
  • Strong spatial reasoning skills and ability to interpret complex 3D environments
  • Ability to manage multiple tasks and adapt to changing project requirements

Preferred Qualifications

  • Direct experience in autonomous vehicle data annotation
  • Proficiency working with LiDAR or point cloud data systems
  • Advanced understanding of semantic segmentation and 3D object classification

Additional Requirements

  • Ability to work on-site five days per week
  • Willingness to meet strict production benchmarks and quality metrics
  • Successful completion of a background check

Impact of the Role

This position contributes directly to the development of safe and reliable autonomous driving technologies. The quality and accuracy of annotated data are foundational to the performance of AI systems, making this role essential to advancing real-world applications.