
Generalists (Train AI Models Part Time!)
hackajob · United States
- Hybrid
- Full-time
- $50,000 / year
- United States
Tailored resume — keyword-matched to this role.
Hiring manager — we find who's hiring.
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Job highlights
- Train AI models by reviewing and annotating data.
- Ensure high accuracy in evaluation and labeling tasks.
- Follow complex guidelines meticulously.
- Identify errors and improve AI training quality.
- Work independently on repetitive, precision-focused tasks.
About the role
AI Model Trainer (Part Time)
Mercor is hiring highly detail-oriented Generalists on behalf of an AI lab to support human data pipelines used to train and evaluate advanced AI systems. This role is ideal for people who are extremely quality-focused, methodical, and take pride in producing consistently high-accuracy work. You’ll work on structured evaluation, labelling, and review tasks where precision matters more than speed. Small mistakes compound here — we’re looking for people who notice edge cases, inconsistencies, and ambiguity instinctively.What You’ll Do
- Review, evaluate, and annotate AI outputs with extreme attention to detail
- Follow complex guidelines precisely and apply them consistently across tasks
- Identify subtle errors, edge cases, and quality issues others might miss
- Provide clear, structured feedback to improve downstream AI training quality
- Maintain high accuracy across repetitive, high-volume workflows
- Flag unclear instructions or ambiguous cases proactively
What We’re Looking For
- Exceptionally detail-oriented and quality-obsessed mindset
- Prior experience as a CB / reviewer / rater in human data or AI training pipelines
- Proven ability to follow nuanced instructions without deviation
- Strong written communication and reasoning skills
- High reliability, consistency, and comfort with repetitive precision work
- Ability to work independently and maintain focus over long task batches
Nice to Have
- Experience with large-scale AI data annotation or evaluation programs
- Background in QA, operations, trust & safety, or structured review work
- Familiarity with multi-step rubric-based evaluations
- Comfort giving calibrated feedback aligned with strict quality bars
Why Join
- Work directly on training next-generation AI systems
- Clear expectations and quality-first culture
- Long-term opportunity for consistent, high-quality contributors
Key skills/competency
- AI Model Training
- Data Annotation
- Quality Assurance
- Attention to Detail
- AI Evaluation
- Human Data Pipelines
- Structured Review
- Feedback Provision
- Independent Work
- Problem Solving
Skills & topics
- AI Model Trainer
- Data Annotation
- Quality Assurance
- AI Training
- Human Data
- AI Evaluation
- Rater
- Reviewer
- Part Time
- Mercor
How to get hired
- Tailor your resume: Highlight your experience in data annotation, quality assurance, or AI training pipelines, emphasizing attention to detail and methodical work.
- Showcase meticulousness: In your application, provide specific examples of how you ensure accuracy and identify subtle errors in previous roles.
- Demonstrate understanding: Research Mercor and AI training labs to understand their quality-first culture and express your commitment to precision.
- Prepare for detail-oriented tasks: Be ready to discuss your strategies for maintaining focus and accuracy during repetitive work during the interview.
Technical preparation
Practice detailed data annotation exercises.,Familiarize with AI model training workflows.,Review quality assurance methodologies.,Understand evaluation rubric principles.
Behavioral questions
Describe a time you ensured high data quality.,How do you handle repetitive tasks accurately?,Explain your process for following complex instructions.,How do you identify subtle errors or inconsistencies?
Frequently asked questions
- What does a Generalist do for AI model training at Mercor?
- As a Generalist for AI model training at Mercor, you will be responsible for reviewing, evaluating, and annotating AI outputs. This involves following complex guidelines precisely, identifying subtle errors, and providing structured feedback to improve the AI systems. The role emphasizes extreme attention to detail and methodical work.
- What experience is required for the AI Model Trainer role?
- The role requires an exceptionally detail-oriented mindset and prior experience as a reviewer or rater in human data or AI training pipelines. Strong written communication, reasoning skills, and the ability to work independently on repetitive tasks are also essential.
- Is this a full-time or part-time position?
- The job title indicates 'Part Time', suggesting flexibility. However, it's best to confirm the specific weekly hours and commitment required with the hiring team during the application process.
- What kind of quality standards are expected for this role?
- The role demands extremely high accuracy and consistency. Mercor is looking for individuals who are quality-obsessed, notice edge cases, inconsistencies, and ambiguity, and take pride in producing consistently high-accuracy work. Precision matters more than speed.
- How can I stand out for the AI Model Trainer position at Mercor?
- To stand out, emphasize your proven ability to follow nuanced instructions without deviation, your experience with data annotation or QA, and your comfort with repetitive, precision-focused work. Highlighting any experience with large-scale AI data annotation or evaluation programs would also be beneficial.
- What are the benefits of working on AI model training with Mercor?
- Working with Mercor on AI model training allows you to contribute directly to next-generation AI systems. The company fosters a quality-first culture with clear expectations, and offers a long-term opportunity for consistent, high-quality contributors.