Senior AI Trainer, Remote - Contract
Xperteez Technology
Hirezar Summary for South African Applicants
This fully remote contract position at Xperteez Technology is open worldwide, so South Africans can apply. The estimated monthly salary is R148,000 – R266,400 ZAR. This role is suited for senior-level professionals. As a remote position, you can work from anywhere in South Africa — whether you're based in Johannesburg, Cape Town, Durban, or a smaller town.
Job Description
Role Title:Senior AI Trainer
Role Type:Contractor
Location:Remote
Required Skills
* Video Annotation
Video Annotation
* Attention to Detail
Attention to Detail
* Data Labeling
Data Labeling
* Video Annotation Tools
Video Annotation Tools
* Time Management
Time Management
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input.
Key Responsibilities:
* Review video footage of robotic arms executing assigned tasks, identifying key actions and outcomes with precision.
Review video footage of robotic arms executing assigned tasks, identifying key actions and outcomes with precision.
* Apply detailed grading guidelines to accurately tag and annotate events, providing structured observations that improve model performance.
Apply detailed grading guidelines to accurately tag and annotate events, providing structured observations that improve model performance.
* Mark precise timestamps for the start and end of key actions, transitions, and outcomes, ensuring frame-accurate segmentation of each video session.
Mark precise timestamps for the start and end of key actions, transitions, and outcomes, ensuring frame-accurate segmentation of each video session.
* Verify timestamp accuracy and alignment across annotations, correcting drift or inconsistencies between labeled events and the underlying footage.
Verify timestamp accuracy and alignment across annotations, correcting drift or inconsistencies between labeled events and the underlying footage.
* Utilize video annotation tools and platforms to record findings and submit annotated datasets in alignment with project standards and milestones.
Utilize video annotation tools and platforms to record findings and submit annotated datasets in alignment with project standards and milestones.
* Collaborate with project trainers and contributors to resolve ambiguities, refine guidelines, and ensure annotation consistency across the team.
Collaborate with project trainers and contributors to resolve ambiguities, refine guidelines, and ensure annotation consistency across the team.
* Participate in ongoing quality reviews, incorporating feedback to maintain rigorous annotation standards.
Participate in ongoing quality reviews, incorporating feedback to maintain rigorous annotation standards.
Required Skills and Qualifications:
* Exceptional attention to detail and accuracy in reviewing and tagging visual data.
Exceptional attention to detail and accuracy in reviewing and tagging visual data.
* Strong written and verbal communication skills for effective collaboration, reporting, and timely updates on progress and challenges.
Strong written and verbal communication skills for effective collaboration, reporting, and timely updates on progress and challenges.
* Demonstrated time management and self-organization abilities for independent, remote project participation.
Demonstrated time management and self-organization abilities for independent, remote project participation.
* Analytical and problem-solving mindset, with a proactive approach to resolving annotation challenges.
Analytical and problem-solving mindset, with a proactive approach to resolving annotation challenges.
Preferred Qualifications:
* Proven experience with video annotation, data labeling, or similar data-centric annotation projects.
Proven experience with video annotation, data labeling, or similar data-centric annotation projects.
* Familiarity with video annotation tools and software platforms, including timeline-based interfaces for timestamping and event segmentation.
Familiarity with video annotation tools and software platforms, including timeline-based interfaces for timestamping and event segmentation.
* Experience with frame-level or timecode-based annotation (e.g., marking event boundaries, working with frame rates, or reviewing footage frame by frame).
Experience with frame-level or timecode-based annotation (e.g., marking event boundaries, working with frame rates, or reviewing footage frame by frame).
* Background in AI training, machine learning data preparation, or robotics projects (strongly preferred).
Background in AI training, machine learning data preparation, or robotics projects (strongly preferred).
Originally posted onHimalayas
Tips for South African Applicants
Timezone Advantage
South Africa (SAST, UTC+2) overlaps well with European business hours and has a few hours of overlap with US East Coast. Mention your timezone flexibility in your application.
Salary in Context
At R148,000/month, this role pays well above the average South African remote salary. The USD equivalent ($50/mo) benefits from the favourable exchange rate.
Application Tips
Tailor your CV to international standards — use a clean format, highlight remote work experience, and include your English proficiency. Many SA applicants succeed by emphasising their strong work ethic and cultural adaptability.
Load Shedding Preparedness
If you're applying for a remote role, having a backup power solution (UPS, inverter, or generator) and mobile data as a backup internet connection shows employers you're prepared for South Africa's infrastructure challenges.
Related remote job searches
About Xperteez Technology
Xperteez Technology is a company in the Operations industry that hires remote workers from South Africa. They currently have 23 open positions on Hirezar. View all Xperteez Technology jobs →