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Rajiv Sharma

LLM Trainer | AI Data Specialist | NLP & Prompt Engineering Expert

7987987978
rsharma.123@gmail.com
Mumbai – 122011, Maharashtra, India


Career Objective

Detail-oriented and technically proficient LLM Trainer with strong expertise in natural language processing, prompt engineering, and AI model evaluation. Seeking to contribute to a forward-thinking organization by improving large language model performance through high-quality data annotation, training, and continuous optimization.


Work Experience

LLM Trainer / AI Language Specialist

TechNova AI Solutions Pvt. Ltd.
Mumbai, Maharashtra
March 2022 – Present

  • Trained and evaluated large language models for conversational accuracy, factual correctness, and tone alignment

  • Designed and optimized prompts to enhance model reasoning and response relevance

  • Performed data annotation, classification, and validation for text-based AI systems

  • Collaborated with cross-functional teams to improve AI output quality and consistency


AI Data Annotator & NLP Analyst

Cognix Data Labs
Mumbai, Maharashtra
March 2020 – November 2022

  • Annotated and reviewed large volumes of text data for NLP model training

  • Conducted intent classification, sentiment analysis, and entity recognition

  • Ensured high-quality labeled datasets with 98% accuracy compliance

  • Supported model testing and quality assurance processes


Skills and Competencies

  1. Large Language Model (LLM) Training

  2. Prompt Engineering & Optimization

  3. NLP Concepts & Linguistics

  4. Data Annotation & Labeling

  5. Model Evaluation & Quality Assurance

  6. Bias Detection & Ethical AI

  7. Conversational AI Training

  8. Python (Basics)

  9. SQL (Basic Queries)

  10. Annotation Tools (Labelbox, Prodigy, Scale AI)

  11. Documentation & SOP Creation


Core Strengths

  • Strong analytical and documentation skills

  • Excellent attention to detail

  • Comfortable working with remote and cross-functional teams


Education

Bachelor of Engineering (Computer Science) – 92%
University of Mumbai, Gandhi Road
Mumbai, India
October 2020


Certifications

  • Prompt Engineering for Generative AI – Coursera

  • Natural Language Processing Fundamentals – Udemy


Accomplishments

Conversational AI Optimization Project

  • Improved chatbot response accuracy using structured prompt frameworks

  • Reduced irrelevant responses by 30% through targeted training data

LLM Bias Reduction Initiative

  • Audited AI responses for demographic and cultural bias

  • Implemented balanced datasets to improve fairness and inclusivity


Personal Information

  • Date of Birth: 08 August 1996

  • Religion: Hindu

  • Address: Borivali West, Mumbai

Position Overview

An LLM Trainer is responsible for training, evaluating, and improving large language models to ensure accurate, context-aware, and ethically sound outputs. The role involves prompt engineering, data annotation, response evaluation, bias detection, and collaboration with AI and machine learning teams to continuously enhance model performance and user experience.

Company Overview

TechNova AI Solutions Pvt. Ltd. is an innovative artificial intelligence company specializing in data-driven AI products, conversational AI systems, and machine learning solutions. The organization focuses on building scalable, ethical, and high-performance AI technologies for global clients across multiple industries, emphasizing accuracy, responsible AI, and continuous innovation.

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