Abhishek Kumar

Key Skills

Software

Appen

Top Subject Matter

Conversational AI/Natural Language Processing

Natural Language Processing/Augmenting AI

Top Data Types

Text

Top Task Types

No task types listed

Freelancer Overview

AI Chatbot Trainer. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier AI and Appen. Education includes Master of Business Administration, Arcade Business School and Certificate of Completion, NIT Patna. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Chatbot Trainer

Text

As an AI Chatbot Trainer, I evaluated and refined AI-generated conversational responses for clarity and factual accuracy. My role involved creating structured prompts and labeling sets for natural language processing applications. I also focused on identifying and documenting hallucinations and inconsistencies in AI outputs to improve reliability and model performance. • Assessed AI chatbot responses for accuracy, relevance, and clarity. • Annotated and labeled NLP datasets for machine learning model training. • Crafted sample prompts and dialogues to support SFT and RLHF workflows. • Maintained adherence to strict guidelines for annotation and data quality.

As an AI Chatbot Trainer, I evaluated and refined AI-generated conversational responses for clarity and factual accuracy. My role involved creating structured prompts and labeling sets for natural language processing applications. I also focused on identifying and documenting hallucinations and inconsistencies in AI outputs to improve reliability and model performance. • Assessed AI chatbot responses for accuracy, relevance, and clarity. • Annotated and labeled NLP datasets for machine learning model training. • Crafted sample prompts and dialogues to support SFT and RLHF workflows. • Maintained adherence to strict guidelines for annotation and data quality.

2025 - Present

AI Data Trainer

AppenText

As an AI Data Trainer, I reviewed and optimized large-scale language model training data. I labeled and categorized text datasets used in NLP applications to enhance AI model performance. Quality assurance processes ensured precision and consistency across all annotated data. • Conducted evaluation and categorization of AI-generated text data. • Generated prompt-response examples to guide AI training workflows. • Performed annotation quality checks for accurate machine learning outcomes. • Labeled datasets for use in supervised and reinforcement learning setups.

As an AI Data Trainer, I reviewed and optimized large-scale language model training data. I labeled and categorized text datasets used in NLP applications to enhance AI model performance. Quality assurance processes ensured precision and consistency across all annotated data. • Conducted evaluation and categorization of AI-generated text data. • Generated prompt-response examples to guide AI training workflows. • Performed annotation quality checks for accurate machine learning outcomes. • Labeled datasets for use in supervised and reinforcement learning setups.

2025 - 2025

Education

Work History