Senior AI Trainer - Remote Video Annotation Expert

Appsierra Group; American Samoa; On-site; USD 143,270,000 - 257,887,000; Full time

Job summary

Appsierra Group is seeking a Senior AI Trainer to support a remote, contractor-led project focused on generating high-quality training data through expert video annotation and data labeling. You will review robotic-arm footage, apply grading guidelines, and produce precise, frame-accurate annotations that drive AI system improvements.

The role emphasizes independence, meticulous documentation, strong communication, and collaboration with project trainers to ensure timely, accurate outputs across

Qualifications

• Exceptional attention to detail and accuracy when reviewing, tagging, and evaluating visual data.
• Strong written and verbal communication skills.
• Ability to clearly document observations, communicate challenges, and provide timely project updates.
• Strong time management and self-organization skills.
• Ability to work independently and reliably in a remote contractor environment.
• Analytical and problem-solving mindset.
• Proactive approach to identifying and resolving annotation challenges.
• Ability to consistently follow detailed guidelines and quality standards.

Responsibilities

• Review video footage of robotic arms executing assigned tasks and accurately identify key actions, transitions, and outcomes.
• Apply detailed grading and annotation guidelines to tag relevant events and provide structured observations.
• Identify and document actions and outcomes with a high degree of precision and consistency.
• Mark precise start and end timestamps for key actions, transitions, and outcomes.
• Perform frame-accurate segmentation of video sessions where required.
• Verify timestamp accuracy and ensure annotations are properly aligned with the underlying video footage.
• Identify and correct timestamp drift, inconsistencies, or discrepancies between labeled events and source footage.
• Use video annotation tools and platforms to document findings and produce annotated datasets.
• Complete and submit annotation work in accordance with project standards, requirements, and milestones.
• Collaborate with project trainers and other contributors to resolve ambiguous cases and improve annotation consistency.
• Provide input when annotation guidelines require clarification or refinement.
• Participate in ongoing quality reviews and incorporate feedback to maintain rigorous annotation standards.
• Communicate progress, challenges, and potential annotation issues clearly and in a timely manner.
• Work independently while maintaining accuracy, consistency, and productivity throughout the project.

Skills

Video annotation

Data labeling

AI training data

Video annotation tools

Timestamp annotation

Timecode-based annotation

Frame-level annotation

Event segmentation

Video analysis

Data quality assurance

Attention to detail

Analytical thinking

Problem solving

Time management

Written communication

Verbal communication

Remote collaboration

Independent work

Tools

Video annotation tools

Job description

Appsierra Group is seeking a Senior AI Trainer to support a remote, contractor-led project focused on generating high-quality training data through expert video annotation and data labeling. You will review robotic-arm footage, apply grading guidelines, and produce precise, frame-accurate annotations that drive AI system improvements.

The role emphasizes independence, meticulous documentation, strong communication, and collaboration with project trainers to ensure timely, accurate outputs across