Karan

Fullstack Developer

Dumka Engineering College · Bokaro · 1 yr experience

Projects
3

About

I’m a final year Computer Science student specializing in AI and Large Language Model application development, with expertise in React, React Native, JavaScript, AWS, Node.js, PostgreSQL, and AI technologies. My skills in both front-end and back-end development allow me to create high-performance, Fullstack applications. At Lawazia Tech, I contributed to building a Retrieval-Augmented Generation (RAG) system, fine-tuned Large Language Models (LLMs), and worked with LangChain, GenKit, vector databases and, At JSCL also focused on full-stack development, optimizing software performance and scalability. I’m passionate about leveraging AI and app development to solve real-world problems and create personalized user experiences. I am particularly interested in opportunities that allow me to apply my skills to grow as a developer and contribute to impactful solutions.

Projects

Rag AI

1 month

Developed "Rag AI," a chatbot platform leveraging LLMs like OpenAI and Google Gemini for intelligent, custom data-driven responses. Enabled document uploads in a training section, allowing users to train the bot for personalized interactions. Implemented seamless provider switching and performance optimization for enhanced user experience. Tech Stack: Next.js, LangChain, OpenAI, Google Gemini.

AMPY

1 month

Developed and deployed a legal assistance widget for a mobile application at Lawazia Tech, powered by Retrieval-Augmented Generation (RAG) using advanced LLM capabilities. Designed an AI-driven system to provide precise legal insights by integrating a vast repository of legal documents with contextual understanding. Created an intuitive interface, enabling users to effortlessly search, access, and comprehend critical legal resources. Optimized the RAG pipeline to ensure high accuracy and responsiveness for real-time legal query resolutions. Tech stack: LangChain, React native, Gemini, Vector database , Genkit

Qwikzo

2 months

Developed a React Native grocery platform with seamless user experience and JWT authentication. Implemented real-time order tracking using WebSockets for dynamic updates. Designed and integrated an AdminJS dashboard for efficient inventory management. Optimized the Fastify backend, achieving a 30ms average response time. Tech Stack: React Native, MongoDB, Fastify, AdminJS, Socket.io., JWT Authentication

Skills

  • Next.js
    • Rag AI — Developed "Rag AI," a chatbot platform leveraging LLMs like OpenAI and Google Gemini for intelligent, custom data-driven responses. Enabled document uploads...
    • AMPY — Developed and deployed a legal assistance widget for a mobile application at Lawazia Tech, powered by Retrieval-Augmented Generation (RAG) using advanced LLM...
    • Qwikzo — Developed a React Native grocery platform with seamless user experience and JWT authentication. Implemented real-time order tracking using WebSockets for dyn...
  • React Native
  • Mongo DB
  • Firebase
  • React.js
  • Artificial Intelligence
  • GenKit
  • Node.js

Education

  • B.Tech

    Dumka Engineering College, Jharkhand

    2021-01-08 – 2025-05-31 · Grade 8.0 CGPA

Experience

  • Fullstack Application developer at Lawazia Tech

    remote · mobile app development · remote

    2025-02-01

  • Software developer at Jaipur Smart City Limited

    On-site · Artificial Intelligence · Jaipur, Rajasthan, India

    2024-07-18 – 2024-11-22 · 4 mos

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