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Santanu Raj

Santanu Raj

AI Trainer | Prompt Engineering, RLHF, Model Evaluation (Outlier.ai)

India flagJalandhar, India
$15.00/hrIntermediateLabel StudioArgillaDoccano

Key Skills

Software

Label StudioLabel Studio
ArgillaArgilla
DoccanoDoccano
ProdigyProdigy
Scale AIScale AI

Top Subject Matter

Large Language Model (LLM) AI Training
Prompt Engineering
Rlhf Domain Expertise

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
VideoVideo

Top Task Types

RLHFRLHF
Entity (NER) ClassificationEntity (NER) Classification
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Evaluation/RatingEvaluation/Rating
Text SummarizationText Summarization
Red TeamingRed Teaming
Computer Programming/CodingComputer Programming/Coding
Bounding BoxBounding Box
ClassificationClassification

Freelancer Overview

AI Trainer | Prompt Engineering, RLHF, Model Evaluation (Outlier.ai). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Technology, Lovely Professional University (2027). AI-training focus includes data types such as Text and labeling workflows including RLHF and Entity (NER) Classification.

IntermediateEnglishHindiBhojpuriBengali

Labeling Experience

AI Trainer | Prompt Engineering, RLHF, Model Evaluation (Outlier.ai)

TextRLHF
Evaluated and refined LLM outputs using reinforcement learning from human feedback to enhance model accuracy and guardrails. Generated high-quality, domain-specific training datasets for foundational AI models. Designed and optimized prompt strategies for comprehensive model evaluation. • Improved model reasoning and safety through iterative RLHF cycles. • Built targeted edge-case scenarios to identify model hallucinations. • Enhanced contextual awareness by creating diverse training data. • Utilized model evaluation to inform iterative training and prompt optimization.

Evaluated and refined LLM outputs using reinforcement learning from human feedback to enhance model accuracy and guardrails. Generated high-quality, domain-specific training datasets for foundational AI models. Designed and optimized prompt strategies for comprehensive model evaluation. • Improved model reasoning and safety through iterative RLHF cycles. • Built targeted edge-case scenarios to identify model hallucinations. • Enhanced contextual awareness by creating diverse training data. • Utilized model evaluation to inform iterative training and prompt optimization.

2024 - Present

Data Labelling Intern | Data Annotation, NLP, Quality Assurance (Careerflow.ai)

TextEntity Ner Classification
Structured and accurately labeled large-scale datasets for NLP model training to meet rigorous quality standards. Performed semantic tagging and data extraction for text classification and entity recognition algorithms. Collaborated with the data engineering team to refine annotation guidelines and accelerate workflows. • Enhanced data consistency through standardized annotation protocols. • Improved downstream machine learning performance by reducing errors. • Developed scalable solutions for semantic analysis of text data. • Ensured high annotation accuracy across large datasets.

Structured and accurately labeled large-scale datasets for NLP model training to meet rigorous quality standards. Performed semantic tagging and data extraction for text classification and entity recognition algorithms. Collaborated with the data engineering team to refine annotation guidelines and accelerate workflows. • Enhanced data consistency through standardized annotation protocols. • Improved downstream machine learning performance by reducing errors. • Developed scalable solutions for semantic analysis of text data. • Ensured high annotation accuracy across large datasets.

2023 - 2023

Education

L

Lovely Professional University

Bachelor of Technology, Computer Science and Engineering

Bachelor of Technology
2023 - 2027

Work History

R

RLHF,ModelEvaluation Jan’

AITrainer|PromptEngineering

Location not specified
2024 - Present