Applied AI Engineer | Full-Stack (Java/NestJS) | LLM Apps (RAG, Agents)

Hi, I’m Harsh B Panchal

I build production AI and full-stack product features that turn ideas into real, user-facing systems.

I build secure backend systems, scalable dashboards, and polished AI-powered experiences using Java, Spring Boot, NestJS, React, Next.js, SQL, and MongoDB.

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Availability

Open for full-time, contract, and freelance roles

Focus

Backend systems, AI features, dashboards, and product delivery

Profile
Shipping clean code to production

Tech Stack

Tools I Use to Ship Production-Ready Products

Full-stack engineering plus practical AI and LLM skills for building real features like RAG, embeddings, backend systems, dashboards, and evaluations.

AI/MLFrontendBackendDevOpsTooling
Next.jsReactTypeScriptNode.jsMongoDBTailwind CSSPrismaAWSNext.jsReactTypeScriptNode.jsMongoDBTailwind CSSPrismaAWS
Pythonscikit-learnOpenAI API✍️Prompt Engineering🧠RAG (Basics)🦜🔗LangChain🧬Embeddings🧭Vector Search (FAISS/Pinecone)Hugging FacePyTorch (Learning)FastAPI (Model Serving)📊LLMOps / EvalAirflowdbtPythonscikit-learnOpenAI API✍️Prompt Engineering🧠RAG (Basics)🦜🔗LangChain🧬Embeddings🧭Vector Search (FAISS/Pinecone)Hugging FacePyTorch (Learning)FastAPI (Model Serving)📊LLMOps / EvalAirflowdbt
🧩Zod🔐JWT🎞️Framer Motion⚡Turbopack🌐REST APIs☁️Mongo Atlas🚀CI/CD🧩Zod🔐JWT🎞️Framer Motion⚡Turbopack🌐REST APIs☁️Mongo Atlas🚀CI/CD
Recruiter Quick Access

A fast, polished snapshot of my work, experience, and fit.

Everything here is structured for fast evaluation: resume, selected projects, hands-on experience, and direct contact for backend, full-stack, and applied AI opportunities.

Core Stack

Java · NestJS · React

Focus

Backend · Full-Stack · AI

Availability

Open to impactful roles

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What I Bring

Why teams hire me

I focus on building reliable product systems, practical AI experiences, and polished full-stack features that help teams move from idea to production faster.

Backend Systems

I build modular APIs, auth flows, analytics services, data models, and scalable backend architecture using Java, Spring Boot, NestJS, SQL, and MongoDB.

Applied AI Features

I work on LLM-ready product features, prompt workflows, RAG-style experiences, and practical AI integrations that support real user and business use cases.

Product Delivery

I ship responsive dashboards, admin panels, internal tools, and polished user experiences with strong attention to usability, reliability, and business value.

Selected Work

Featured projects and product case studies

A curated look at the systems, dashboards, platforms, and business-facing features I've designed and delivered.

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Hiring Snapshot

Built for product teams, platforms, and modern web apps

My work spans backend APIs, internal tools, admin dashboards, data-driven features, and applied AI experiences with a strong focus on production-readiness.

15+
Solutions Built

real-world products, platforms, and client engagements

5+ Years
Hands-On Experience

backend engineering, full-stack development, and analytics delivery

Java • NestJS • React
Technical Strength

scalable APIs, admin systems, AI integrations, and modern web apps

Writing

Technical writing and implementation notes

Notes on backend systems, full-stack architecture, AI features, and lessons learned while building products.

  • Prompt Engineering for Real Product Use Cases
    Prompt Engineering for Real Product Use Cases

    Learn how prompt engineering works in real AI products, with practical use cases, best practices, risks, and a framework for building reliable features.

    4/6/2026#prompt engineering #prompt engineering for real product use cases #AI prompt design +7
  • How to Add RAG to a Real Product
    How to Add RAG to a Real Product

    Learn how to add RAG to a real product with a practical, production-focused approach covering architecture, retrieval quality, security, evaluation, and rollout strategy.

    3/30/2026#RAG #Retrieval Augmented Generation #AI Product Development +7
  • 50 AI Tools That Will Replace 10 Hours of Your Work Every Week
    50 AI Tools That Will Replace 10 Hours of Your Work Every Week

    Discover 50 practical AI tools for meetings, writing, coding, research, design, and automation that can save serious work time in 2026.

    3/23/2026#AI Tools #Productivity #Work Automation +12
View all articles
Available for freelance & collaborations

Let’s turn your idea into a production-ready product.

From backend architecture to polished UI, I help ship fast, reliable, scalable, and business-focused digital experiences.

Let’s talk