Data Annotator

Fusion CX; Kolkata District; On-site; INR 240,000 - 480,000; Full time

Job summary

Fusion CX in Kolkata is seeking a detail‑oriented video annotation specialist to support AI evaluation tasks. You will annotate continuous feeds, track temporal events, and ensure precise sequence labeling to help improve model performance.

The role requires a Bachelor's degree, strong English writing and attention to detail, and experience with GPT, Gemini, Claude or Cursor AI. Prior experience in video annotation and ability to identify actionable moments is essential.

Qualifications

• experience in domains requiring structured analytical thinking
• Bachelor's Degree in any subject
• Prior experience in video annotation, specifically tasks involving temporal tracking, bounding boxes, or exact chronological sequence mapping
• Previous experience using GPT, Gemini, Claude, Cursor AI etc
• Excellent writing skills in English and strong attention to detail
• Experience writing or editing high-quality written content

Responsibilities

• Conduct fact-checking using trusted sources and external tools
• Generate high-quality human evaluation data by identifying response strengths, areas for improvement, and factual inaccuracies
• Assess reasoning quality, clarity and completeness of responses
• Ensure model responses align with expected conversational behavior and process guidelines
• Annotate continuous video feeds
• Accurately identify and mark strict physical triggers for action segments

Skills

Structured analytical thinking

Excellent writing skills in English

Attention to detail

Content writing/editing experience

Education

Bachelor's Degree (any subject)

Tools

GPT

Gemini

Claude

Cursor AI

Job description

Role & responsibilities

• Conduct fact-checking using trusted sources and external tools

• Generate high-quality human evaluation data by identifying response strengths, areas for improvement, and factual inaccuracies

• Assess reasoning quality, clarity and completeness of responses

• Ensure model responses align with expected conversational behavior and process guidelines

• Annotate continuous video feeds

• Accurately identify and mark strict physical triggers for action segments

Preferred candidate profile

experience in domains requiring structured analytical thinking

• Bachelor's Degree in any subject
• Prior experience in video annotation, specifically tasks involving temporal tracking, bounding boxes, or exact chronological sequence mapping
• Previous experience using GPT, Gemini, Claude, Cursor AI etc
• Excellent writing skills in English and strong attention to detail
• Experience writing or editing high-quality written content