Precision Data Annotation Analyst (2D/3D)

Appen; United States; Remote; USD 41,000 - 44,000; Full time

Job summary

Appen seeks a Data Annotation Analyst to label camera imagery, video, and LiDAR data for autonomous systems. You will follow detailed specifications to balance accuracy, consistency, and production volume in specialized annotation tools.

You will annotate 2D/3D objects, maintain segmentation and tracking, review QA feedback, and contribute to guideline improvements while working in a fast-paced, collaborative team.

Qualifications

• Strong attention to detail in repetitive visually intensive tasks.
• Strong spatial reasoning for interpreting 3D environments and object geometry.
• Ability to learn and navigate complex annotation software.
• Experience in fast-paced environments with defined productivity/quality targets.
• Experience with image annotation GenAI workflows.

Responsibilities

• Annotate 2D and 3D objects across images, video, and LiDAR point clouds, including vehicles, machinery, people, signage, and environmental features.
• Create and maintain accurate segmentation, object tracking, pose, and keypoint annotations across sequences.
• Apply detailed annotation guidelines, including class definitions, occlusion rules, object thresholds, and inclusion/exclusion criteria.
• Review your work, respond to QA feedback, and maintain established quality and accuracy standards.
• Identify and escalate ambiguous scenes, sensor artifacts, tooling issues, and gaps in specifications rather than making assumptions.
• Document data quality and tooling issues with clear details and reproduction steps.
• Participate in calibration sessions, guideline reviews, and team standups to maintain consistent interpretations.
• Share observations that help improve annotation guidelines, taxonomies, and edge-case documentation.

Skills

Attention to detail

Spatial reasoning

Software navigation

Fast-paced environment experience

GenAI workflows

Remote work readiness

Education

Associate or bachelor’s degree

Tools

Image annotation tools

Video annotation tools

LiDAR annotation tools

AutoCAD

GIS tools

3D annotation tools

Job description

Appen seeks a Data Annotation Analyst to label camera imagery, video, and LiDAR data for autonomous systems. You will follow detailed specifications to balance accuracy, consistency, and production volume in specialized annotation tools.

You will annotate 2D/3D objects, maintain segmentation and tracking, review QA feedback, and contribute to guideline improvements while working in a fast-paced, collaborative team.