Sankalp Pathak

Key Skills

Software

Scale AI

Appen

Data Annotation Tech

Labelbox

Mercor

Lionbridge

Mindrift

OneForma

Remotasks

Telus

Top Subject Matter

Biology Domain Expertise

Bioinformatics Domain Expertise

General Science

Top Data Types

Text

Image

Audio

Top Task Types

RLHF

Classification

Text Generation

Text Summarization

Fine-tuning

Red Teaming

Transcription

Evaluation/Rating

Data Collection

Prompt + Response Writing (SFT)

Freelancer Overview

AI Data Annotator & Trainer. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier AI, Scale AI, and Appen. Education includes Master of Science, University, Rajasthan (2016) and Bachelor of Science, University, Rajasthan (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

AI Data Annotator & Trainer

Text

Evaluated and rated AI-generated STEM responses for factual accuracy, coherence, and quality. Participated in comparative analysis of model outputs to support RLHF pipelines in biology, bioinformatics, and general science. Labeled scientific text for text classification, NER, sentiment annotation, and content review. • Consistently flagged factual inaccuracies in science content following rigorous guidelines. • Maintained high task accuracy exceeding platform benchmarks. • Managed large-scale data labeling projects remotely. • Applied specialist biology knowledge in annotation workflows.

Evaluated and rated AI-generated STEM responses for factual accuracy, coherence, and quality. Participated in comparative analysis of model outputs to support RLHF pipelines in biology, bioinformatics, and general science. Labeled scientific text for text classification, NER, sentiment annotation, and content review. • Consistently flagged factual inaccuracies in science content following rigorous guidelines. • Maintained high task accuracy exceeding platform benchmarks. • Managed large-scale data labeling projects remotely. • Applied specialist biology knowledge in annotation workflows.

2023 - 2024

AI Annotation Specialist (Freelance)

Scale AITextRLHF

Worked as an annotation specialist for multiple AI data services, including RLHF, content evaluation, and fact-checking. Labeled and rated large volumes of STEM-related outputs for quality, accuracy, and alignment with project guidelines. Supported reinforcement learning and model fine-tuning through evaluation of generated text and science content. • Specialized in content requiring biology and biotechnology expertise. • Collaborated on NER, text classification, and sentiment annotation projects. • Provided domain-verified solutions and prompt feedback for iterative model improvement. • Managed multiple short-duration, high-output projects for various clients.

Worked as an annotation specialist for multiple AI data services, including RLHF, content evaluation, and fact-checking. Labeled and rated large volumes of STEM-related outputs for quality, accuracy, and alignment with project guidelines. Supported reinforcement learning and model fine-tuning through evaluation of generated text and science content. • Specialized in content requiring biology and biotechnology expertise. • Collaborated on NER, text classification, and sentiment annotation projects. • Provided domain-verified solutions and prompt feedback for iterative model improvement. • Managed multiple short-duration, high-output projects for various clients.

2022 - 2023

Education

Work History