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Sagar S.

Generative AI Specialist · Mid-level

Rate on request

Professional Overview

 I’m a full-stack JavaScript developer specializing in Node.js, Express, React, and TypeScript, with a strong focus on building scalable web applications and automation workflows. Over the past few years, I’ve worked on diverse backend systems involving MySQL, SQL Server, AWS Lambda, and RESTful APIs. Recently, I’ve been expanding my expertise into Artificial Intelligence, particularly Generative AI (GenAI) — integrating LLMs into real-world products for automation, customer communication, and lead management. My current interests include AI-powered agents, NLP, and workflow automation that bridge business systems with intelligent decision-making. I’m passionate about solving complex problems through clean architecture, optimized database design, and smart use of emerging AI technologies. Open to remote collaborations in AI development, backend systems, or intelligent automation. 

Areas of Expertise

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

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