Suparna Chakraborty Native English proficiency Computational, Data annotation Linguist in Hindi and Bengali

English US/UK Professional Level AI / ML  Data annotator/ labeler, Linguist, AI Content strategist, localizer, LLM Evaluation , Prompt Engineering & Data Quality

 Content specialist  Games LQA tester at Meta, Google

& Microsoft (via Lionbridge, SDL Group, Acolad , Sajan, Amplexor

Inc, Amazon , META FAIR Research) | 16+ Year

 Rates available upon request. Rates are negotiable for large volumes , working on all types of CAT tool

 Work experience

Meta,

Google & Microsoft Programs (via Lionbridge, SDL Group, Acolad

Sajan, Amplexor Inc, Amazon , META FAIR Research) |

Education

& Honors

PhD / Doctorate– Computational Linguistics

Postgraduate & Graduate  Degrees –   English /

Linguistics

GoldMedalist – Academic Excellence

 Professional Overview

Proven Language Lead with deep expertise in prompt engineering,

gold data creation, model evaluation, and large-scale data labelling programs

supporting production GenAI and enterprise AI platforms. Strong background in

multilingual NLP, localization, internationalization, and human-in-the-loop

(HITL) AI systems, with consistent delivery in high-bar, metrics-driven FAANG

environments. 15 Years of Partnership with Sajan, Amplexor, and Acolad

A seasoned  English to Hindi &  Bengali Localization Specialist and

Subject Matter Expert with a career spanning over two decades. I have served as a cornerstone for  linguistic services through the organizational

evolutions of Sajan Inc., Amplexor, and now Acolad. My

career is defined by a commitment to linguistic precision, a 24/7 work ethic,

and a deep academic interest in the evolution of language technology.

Professional

Experience

Language

Lead — AI, NLP & LLM Programs

Meta | Google | Microsoft, Amazon, Dell, Bayer, Pactera Edge, Centific etc.

(Engaged via Lion bridge Technologies, SDL Group, Wipro Technologies)

Data

Labeling & Annotation: Managed

high-volume data labeling projects, providing expert linguistic oversight for

complex semantic and syntactic tasks.

·        

Market

Strategy: Served as a Subject Matter

Expert (SME) for Indian languages, ensuring local nuances, idioms, and

cultural contexts were accurately reflected in AI products.

·        

Research

Collaboration: Partnered with research

scientists at Google DeepMind and Meta Labs to

evaluate model accuracy using human-in-the-loop (HITL) methodologies.

·        

Core Competencies

LLMs & Model Evaluation

• LLM
•      Evaluation Frameworks, Instruction Design & Prompt Engineering
• Error
•      Analysis, Failure Mode Taxonomy & Quality Signal Definition
• Bias,
•      Hallucination & Safety Risk Mitigation
• Gold
•      Dataset, Benchmark & Eval Set Creation

Computational Linguistics & NLP

• Data Labeling & HITL Systems

• Human-in-the-Loop
•      (HITL) Evaluation Pipelines
• Reviewer
•      Calibration, Inter-Annotator Agreement (IAA)
• 
  
•      Governance, Versioning & Audit Readiness
• 
  

Localization & Global AI Readiness

• Localization
•      & Internationalization (i18n) Strategy
• Multilingual
•      AI Product Readiness & Cultural Accuracy
• MT
•      Evaluation & Post-Editing Quality Standards
• 
  

Leadership & Cross-Functional Delivery

• Language Lead for FAANG AI Programs
• Collaboration with Research, Engineering,
•   Product & Legal
• Vendor Oversight, Quality Metrics &
•    Program Governance
• Executive Reporting & Stakeholder
•   Communication.
• Partnered cross-functionally with Applied
•   Scientists, Research, Product, Engineering, and Policy teams to operationalize
•   linguistic insights into production model releases
• Ensured localization and internationalization
•      (i18n) readiness across 30+ languages, enabling scalable global AI  launches
•     Consistently delivered against aggressive timelines, meeting 100% of critical delivery milestones under FAANG companies.