Hi, I'm
Hriday Sehgal

Building production AI systems, RAG pipelines, and full-stack apps that create real-world impact.
2+ years · Healthtech · GenAI.

View My Work Download Resume

hriday@portfolio:~$

// About Hriday

const engineer = {

role: "AI Engineer",

exp: "2+ years",

skills: [

"RAG Systems",

"LLMs & Agents",

"Next.js",

"FastAPI",

"AWS",

}

$▌

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About Me

Building AI at the
edge of healthcare.

I'm a developer who sits at the crossroads of generative AI and full-stack engineering. I own the end-to-end delivery of AI chatbot systems — from architecture to production deployment on AWS — serving hospitals and enterprise clients.

My core work involves building Hybrid RAG pipelines, orchestrating multi-agent LLM systems, and shipping web applications with real measurable business impact. I've reduced AI hallucinations by 70%, driven 600+ patient bookings, and contributed to award-winning healthcare AI innovations.

I also work with building full-stack apps with Next.js, optimizing for SEO, or writing about tech on my blog.

Get in Touch LinkedIn

AI Engineer

RAG · LLMs · Agents

Full Stack Developer

Next.js · React · Node

RAG Architect

PGVector · Embeddings

SEO & Performance

Technical · On-page

600+

Patient Bookings

Driven by custom healthcare AI chatbots

70%

Hallucination Reduction

Optimized using advanced Hybrid RAG architectures

Runner-Up

Tech Award

Recognized for healthcare AI innovation

300+

Leads Generated

Driven by interactive screening and risk-assessment bots

Skills & Tools

Technical Toolkit

An overview of technologies I use to build scalable AI systems, responsive websites, and reliable cloud infrastructures.

AI & GenAI

Building production LLM architectures, multi-agent frameworks, and vector search systems.

RAG Systems

LLMs & Agents

Multi-Agent Systems

LangGraph

Prompt Engineering

Vector DBs

PGVector

STT / TTS

Frontend

Developing dynamic, performant, responsive, and SEO-optimized user interfaces.

React.js

Next.js

TypeScript

Tailwind CSS

HTML5/CSS3

Framer Motion

Technical SEO

JavaScript

SCSS

Sanity CMS

Google Analytics

Backend & Databases

Designing robust, secure, and fast server-side architectures and APIs.

Python

FastAPI

Node.js

Express.js

PostgreSQL

MongoDB

Qdrant

REST APIs

Supabase

Authentication

Webhooks

Cloud & DevOps

Deploying, containerizing, and orchestrating cloud services for production scale.

AWS EC2

AWS S3

Docker

CI/CD

Vercel

Git / GitHub

Postman

Experience

Professional Journey

AI Engineer

CurrentAI / GenAI

Tulu Health•Remote

July 2025 – Present

Built and scaled AI chatbots (WhatsApp & Web) using LLMs, multi-agent architecture, and advanced prompt engineering — driving 600+ patient bookings across 8+ healthcare clients.
Designed and owned a production-grade Hybrid RAG pipeline (Python, FastAPI, PostgreSQL/PGVector, OpenAI embeddings) with full data ingestion workflows, reducing hallucinations by 70%.
Built prostate cancer risk assessment bot for Medanta Hospital (300+ qualified leads) and an AI chatbot for Ruban Hospital that won Runner-Up at CAHO Tech awards.
Implemented voice-to-voice pipeline on WhatsApp using STT & TTS models, enabling multi-language voice interactions for patients.
Managed AWS EC2 deployments, automated analytics/reporting pipelines, and resolved critical security vulnerabilities in production.

Key Technologies

LLMsRAG SystemsMulti-Agent SystemsPythonFastAPIPostgreSQLPGVectorOpenAIAWS EC2WhatsApp APISTT / TTS

Frontend Developer Intern

Full Stack

RegisterKaro•Gurgaon, Haryana

April 2025 – July 2025

Built responsive, accessible web pages using Next.js and SCSS, improving UI consistency and cross-device performance.
Enhanced technical SEO (state-wise sitemaps, canonical tags, structured data), improving search engine visibility by 30% and organic traffic.
Designed and launched a high-converting ads landing page that grew qualified leads by 20% and boosted revenue.
Built a custom Node.js crawler to detect and fix broken links and SEO issues, improving overall site health.

Key Technologies

Next.jsReact.jsTypeScriptSCSSSEONode.jsWeb Performance

Technical Project Manager Intern

Technical Management

dau Agency•Gurgaon, Haryana

Nov 2024 – March 2025

Managed 15+ multi-client tech projects to on-time launch including brands like 360 Strategy, CDSL, and Pizza Express.
Led end-to-end delivery of 5+ client websites, translating Figma wireframes into fully deployed WordPress sites.
Streamlined project workflows using ClickUp & Jira, reducing delivery delays by 20% and increasing tracking accuracy by 75%.
Identified and resolved 85+ frontend UI/UX issues, ensuring high-quality deployment across all client projects.

Key Technologies

Project ManagementJiraClickUpFigmaWordPressUI/UX QAAgile/Scrum

Software Intern

AI / GenAI

KareXpert Technologies•Remote

Aug 2024 – Oct 2024

Developed a RAG chatbot using MongoDB Atlas Vector Search and Google Gemma LLM, improving query response accuracy by 30%.
Implemented vector embeddings with Sentence Transformer GTE model, reducing response times by 20%.
Built FastAPI endpoints for training, embedding creation, and real-time chatbot serving.

Key Technologies

FastAPIMongoDB AtlasVector SearchGemma LLMSentence TransformersGTEPython

MERN Full Stack Intern

Full Stack

Ethnus Consultancy•Remote

Aug 2023 – Nov 2023

Built 10+ hands-on projects reinforcing advanced React.js, component architecture, and frontend best practices.
Collaborated in a team of 5 to ship a full-stack capstone auction platform with CRUD operations and 90+ user bids.
Integrated Google Analytics tracking; received recognition for code quality from senior mentors.

Key Technologies

React.jsNode.jsExpress.jsMongoDBJavaScriptGoogle AnalyticsREST APIs

Projects

Featured Work

All Projects

ToolFull Stack

CrawlVaani — SEO Website Crawler

A production-grade Node.js + Puppeteer crawler that generates in-depth SEO audit reports with 20+ checks, PDF/Excel export, and AI-powered insights.

Serves 100+ SEO audits with automated PDF/Excel export
AI-powered insights via Gemini API for actionable recommendations
Dockerized backend with CI/CD deployment to AWS EC2 & Vercel

Node.jsPuppeteerNext.jsGemini APIDockerAWS EC2

GitHub Live Demo

SaaSFull Stack

Next.js Blog Platform

A full-stack blogging platform with premium subscriptions, CMS-powered content, real-time webhooks, Google OAuth, and payment integration.

50+ users and 20+ transactions via Razorpay + Google OAuth
Real-time content updates via Sanity CMS webhooks
30% improved organic reach through on-page SEO optimization

Next.jsSupabaseSanity CMSRazorpayTailwind CSS

GitHub Live Demo

AIAI & ML

AI-Powered RAG Chatbot

A context-aware chatbot using Retrieval-Augmented Generation architecture with MongoDB Atlas vector search and Google Gemma LLM for accurate knowledge retrieval.