MD

Manav Kumar Datta

AI Quality Analyst and Data Annotation Specialist with 10+ years of experience evaluating AI outputs, validating datasets, and ensuring high-quality training data for machine learning systems. Experienced in Japanese language analysis, prompt engineering, AI response evaluation, and content moderation across global projects for clients including Google, Apple, and Uber.  Skilled at designing multi-turn prompts, performing side-by-side (SxS) model comparisons, detecting hallucinations, evaluating grounding, and assessing personalization quality in AI systems such as Gemini and Bard. Proven expertise in data annotation, AI quality evaluation, linguistic validation, and content moderation workflows. Strong analytical thinking, attention to detail, and written evaluation skills, with experience writing structured rationales and annotations explaining AI model rankings.

Key Skills

AI Quality Evaluation
Data Annotation
AI Response Evaluation
Side-by-Side (SxS) Model Ranking
Personalization Quality Assessment
Grounding Analysis
Hallucination Detection
Japanese Language Evaluation
Content Moderation
Linguistic Annotation
Natural Language Understanding
Quality Assurance

Professional Experience

Oct 2018
Dec 2025
AI Quality Evaluation Specialist
GlobalLogic Technologies Limited Hyderabad, IN
Worked on large-scale AI evaluation and data annotation projects supporting machine learning model training and validation

AI Quality Evaluation 

  • Evaluated AI model responses for correctness, grounding, personalization quality, and helpfulness.
  • Conducted side-by-side (SxS) comparisons of model responses to determine the most accurate and useful output.
  • Identified hallucinations, incorrect personalization, unsupported inferences, and reasoning errors in AI responses.
  • Wrote clear and structured rationales explaining evaluation decisions and model rankings.

Prompt Engineering and Model Testing 

  • Designed multi-turn conversational prompts (15 turns) to evaluate AI reasoning and personalization capabilities.
  • Tested model responses against the original prompt intent to assess accuracy and contextual understanding.
  • Evaluated responses for natural integration of user context and personalization signals.

Data Annotation and AI Training 

  • Performed large-scale data annotation and validation tasks for AI training datasets.
  • Ensured high data quality through annotation review, validation checks, and quality assurance processes.
  • Maintained annotation accuracy levels above 98% across multiple AI training projects.

Japanese Language Evaluation 
  • Evaluated Japanese AI responses for linguistic accuracy, contextual meaning, and natural phrasing.
  • Reviewed Japanese language outputs to ensure clarity, fluency, and correct interpretation of prompts.
  • Assessed how effectively the AI used Japanese conversational context in personalized responses.

Analytical Evaluation 
  • Analyzed AI responses for grounding issues and unsupported claims.
  • Verified whether model outputs correctly used conversation history and contextual information.
  • Documented evaluation findings through detailed annotations and written feedback.

 
Jun 2017
Oct 2018
Data Quality Analyst
Wipro Hyderabad, IN
  • Conducted data validation and quality checks on large geospatial datasets.
  • Ensured content accuracy, data integrity, and compliance with quality standards.
  • Reviewed datasets to detect inconsistencies, missing information, and incorrect classifications.
  • Maintained high levels of data accuracy and quality assurance across multiple projects.

Sep 2015
May 2017
Data Annotation Specialist
GlobalLogic Technologies Limited Hyderabad, IN
  • Performed data annotation and validation for machine learning training datasets.
  • Reviewed structured and unstructured datasets to ensure accuracy, completeness, and policy compliance.
  • Conducted quality assurance reviews on annotated data to maintain dataset reliability.
  • Identified annotation inconsistencies and improved data quality for AI model training.
  • Documented annotation guidelines and evaluation feedback for continuous improvement.

Education

Aug 2002
Jul 2007
Bachelor of Engineering in
University of Jammu

Certifications

2025
Introduction to Artificial Intelligence (AI)
Coursera
2025
Ask Questions to Make Data-Driven Decisions
Coursera
2025
Preparing Data for Analysis with Microsoft Excel
Coursera
2023
SQL
UDEMY
2026
Power BI
NiT

Hobbies & Interests

  • Music
  • Reading
  • Travelling

Languages

English
(Native)
Japanese
(Native)

Career Aspiration

My career aspiration is to grow as an AI quality analyst using my experience in data annotation, AI response evaluation, and Japanese language skills. I aim to improve AI accuracy, detect hallucinations, evaluate personalization, and contribute to building reliable and responsible AI systems.

Get in touch with Manav Kumar