Available for Internship & Freelance

Hi, I'm
Puvankopis

AI/ML Engineer

I build AI-powered web applications using LLMs, RAG pipelines, and AI agents with modern full-stack technologies to create intelligent, scalable, and user-focused solutions.

Batticaloa, Sri Lanka
Portrait of Puvanakopis Mehanathan

Puvanakopis Mehanathan

AI/ML Engineer

Building Intelligent Systems That Matter

I'm a third-year Software Engineering undergraduate at Sabaragamuwa University of Sri Lanka, focused on Artificial Intelligence and Machine Learning. I build intelligent systems at the intersection of AI and software engineering to solve real-world problems.

I've developed RAG-based chatbots, AI agents, and full-stack applications using tools like React, Next.js, FastAPI, and vector databases. As a freelance AI developer, I deliver end-to-end solutions—from idea to deployment— with a focus on reliability and impact.

1+

Years Experience

4+

AI Projects

4

Certifications

AI/ML Expertise

Experienced in building LLM-powered applications, RAG pipelines, AI agents, and semantic search systems using LangChain and LangGraph.

Full-Stack Development

End-to-end development with React, Next.js, FastAPI, and Node.js — from UI to backend and deployment.

Scalable Backends

Experienced with vector databases (ChromaDB, Pinecone) and semantic search for high-performance AI systems.

Fast Learner

IBM-certified in RAG, Agentic AI, and Full-Stack AI Development with a strong foundation in Software Engineering principles

Qualifications

A combined view of professional experience and academic background.

AI Developer

ZENCORD

Freelance
Aug 2025 – Apr 2026

Designed and deployed AI solutions using LLMs, RAG pipelines, and agent-based architectures. Built scalable FastAPI backends with vector databases (ChromaDB, Pinecone) and delivered end-to-end AI applications like chatbots and data tools.

Full Stack Engineer

Fiverr

Freelance
Feb 2024 – Dec 2024 · 11 mos

Developed responsive full-stack web applications using React.js and Next.js with backend development in Node.js and Express.js. Built REST APIs, authentication systems, and scalable features while optimizing UI performance and delivering modern client solutions across multiple domains.

Skills & Technologies

A broad toolkit spanning AI/ML research and production-grade software engineering.

🧠

AI / ML

LLMsRAG PipelinesAI AgentsPrompt EngineeringEmbeddingsSemantic SearchLangChainLangGraphHugging Face TransformersOpenCVScikit-learn
📊

Data Analysis

PandasNumPyMatplotlibSeabornEDAData CleaningData VisualizationStatistical Analysis
🌐

Web & API

ReactNext.jsTailwind CSSFastAPIFlaskNode.jsExpress.jsREST APIsReact Native
🗄️

Databases

PostgreSQLMySQLMongoDBSQLiteChromaDBPinecone
💻

Languages

PythonJavaScriptTypeScriptC
🛠️

Tools & DevOps

GitGitHubDockerWeb ScrapingAPI IntegrationPydantic

Featured Projects

Real-world AI and full-stack applications built end-to-end.

Sri Lanka Trip Planner AI preview

Sri Lanka Trip Planner AI

Multi-Agent AI Travel Itinerary System

A multi-agent travel planning system that generates Sri Lanka itineraries using LangChain and Groq LLMs. It uses specialized AI agents for places, travel time estimation, stay duration, accommodations, and travel tips.

PythonLangChainGroq APIChatGroqPydanticMulti-Agent SystemsLLMs
CineBook preview

CineBook

Movie Booking Platform with AI Multi-Agent System

A full-featured movie ticket booking platform with a modular frontend architecture and an integrated AI multi-agent system. It enables users to browse movies, explore theaters, select seats, make secure payments, and receive intelligent assistance for movie discovery, showtimes, and booking decisions through AI agents.

Next.jsTypeScriptAI AgentsLangChainMulti-Agent SystemNode.jsMongoDBTailwind CSS
E-Commerce AI Agent preview

E-Commerce AI Agent

Conversational AI Assistant for Online Store

An AI-powered e-commerce assistant built with LangGraph and SQLite for smart product browsing, order management, and multi-turn customer support conversations.

PythonLangGraphLangChainChatGroqSQLitePydantic
CampusEase preview

CampusEase

University Accommodation & Vehicle Rental Platform

A full-stack university platform for accommodation and vehicle rental with role-based access and a RAG-powered chatbot using ChromaDB.

ReactFastAPIMongoDBChromaDBGroq APIRAG
FootStyle E-Commerce Platform preview

FootStyle E-Commerce Platform

Full-Stack Premium Footwear Store

A full-stack e-commerce platform for premium footwear with secure authentication (OTP + Google OAuth), shopping cart, wishlist, order management, and a powerful admin dashboard for product, order, and user control.

Next.jsTypeScriptNode.jsExpress.jsMongoDBJWTPassport.jsTailwind CSSStripeMulter
Smart Attendance System preview

Smart Attendance System

AI Face Recognition & QR-Based Attendance

A mobile-first attendance system using QR scanning, face recognition, and geolocation validation to prevent proxy attendance in real time.

FlutterPythonOpenCVNode.jsMongoDBREST APIs
Social Media Health Analysis preview

Social Media Health Analysis

Data Science & ML Research Project

A data science research project analyzing how social media usage impacts mental and physical health through EDA and statistical modeling.

PythonPandasNumPyMatplotlibSeabornEDA

Certifications & Volunteering

Professional growth through learning and community contributions.

Certifications

IBM RAG and Agentic AI Professional Certificate

Coursera — IBM

Mastered building advanced RAG systems, intelligent AI agents using LangChain, and deploying scalable LLM applications in production environments.

RAGLangChainAgentic AILLMs

IBM AI Developer Professional Certificate

Coursera — IBM

Developed expertise in full-stack AI development including Generative AI, model fine-tuning, Watson AI services, and API deployment.

Generative AIFine-TuningWatsonAPI Deployment

Google Advanced Data Analytics Professional Certificate

Coursera — Google

Advanced training in predictive modeling, experimental design, regression analysis, and complex data visualization using Python and SQL.

PythonSQLPredictive ModelingData Visualization

Crash Course on Python

Coursera — Google

Foundation in automated task scripting, object-oriented programming, and fundamental Python data structures and algorithms.

PythonOOPScriptingData Structures

Volunteering

Member

IEEE Student Branch of SUSL

Active

Active member of the IEEE Student Branch at Sabaragamuwa University, contributing to technical events and professional development activities.

Finance Team

IEEE WIE Student Branch Affinity Group of SUSL — PearlHack

March 2025

Managed financial operations for PearlHack, a competitive hackathon organized by the IEEE Women in Engineering student branch.

Program Team Member

IEEE Student Branch of SUSL

February 2025

Contributed to the planning and execution of IEEE branch programs, supporting student-led technical and educational initiatives.

Let's Build Something Together

Open to internship opportunities, freelance projects, and collaborative AI/ML work.

Whether you have a project in mind, want to discuss AI/ML solutions, or are looking for a motivated engineering intern — I'd love to hear from you. I respond within 24 hours.

Batticaloa, Sri Lanka