AI Annotator / Data Annotation Specialist

Platinus Technologies; Dadri; On-site; INR 279,000 - 402,000; Full time

Job summary

Platinus Technologies Pvt Ltd. is seeking detail-oriented AI Annotators to support ML projects. The role focuses on labeling, tagging, and categorizing data across images, text, audio, or video to train AI models.

Ideal candidates have strong analytical skills, patience for repetitive tasks, and a passion for AI technology; familiarity with labeling tools like Labelbox or CVAT is a plus. On-site India opportunity offering entry to mid-level responsibilities with potential growth as annotation

Qualifications

• Bachelor's degree in CS/IT/Data Science or related field.
• Basic understanding of AI/ML concepts.
• Strong attention to detail and ability to follow complex instructions.
• Familiarity with data labeling tools such as Labelbox, CVAT, or Scale AI.
• Good command of English for text annotation.
• Comfortable handling large data volumes in fast-paced environments.

Responsibilities

• Label and annotate datasets (text, images, audio, or video) according to guidelines.
• Validate and verify annotations for accuracy.
• Collaborate with data scientists and ML engineers to understand data requirements.
• Use annotation tools and software to perform labeling tasks.
• Identify data quality issues and report anomalies.
• Participate in reviews to improve annotation quality and efficiency.
• Provide feedback to improve guidelines and tools.

Skills

Analytical thinking

Attention to detail

Patience for repetitive tasks

English comprehension

Strong communication

Education

Bachelor's degree in CS/IT/Data Science

Tools

Labelbox

CVAT

Scale AI

Custom internal tools

Job description

We are seeking detail-oriented and tech-savvy AI Annotators to support our machine learning and artificial intelligence projects. The role involves labeling, tagging, and categorizing data (images, text, audio, or video) to train and improve AI models. The ideal candidate should have strong analytical skills, patience for repetitive tasks, and a passion for AI technology.

Key Responsibilities

• Accurately label and annotate datasets (text, images, audio, or video) according to project guidelines.
• Validate and verify annotations to maintain data accuracy and consistency.
• Collaborate with data scientists and ML engineers to understand data requirements.
• Use internal annotation tools and software to perform labeling tasks.
• Identify data quality issues and report inconsistencies or anomalies.
• Participate in regular reviews to improve annotation quality and efficiency.
• Contribute feedback to improve annotation guidelines and tools.

Required Skills & Qualifications

• Bachelors degree in Computer Science, IT, Data Science, or any related field (any graduate with strong analytical skills can apply).
• Basic understanding of AI / Machine Learning concepts preferred.
• Strong attention to detail and ability to follow complex instructions.
• Familiarity with data labeling tools (e.g., Labelbox, CVAT, Scale AI, or custom internal tools).
• Good command of English language and comprehension (for text annotation roles).
• Comfortable working with large volumes of data in a fast-paced environment.

Preferred Qualifications (for experienced roles)

• 1-3 years of experience in data annotation / AI labeling / content moderation / data operations.
• Experience working on projects involving computer vision, NLP, or speech data.
• Ability to train and guide junior annotators or quality-check their work.