Induwara Kannangara | AI Developer | Full Stack Developer | Software Engineer

I build full-stack systems and AI solutions.

I build simple, reliable products from plan to launch.

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About

Practical software, AI systems, and reliable delivery

I am a Software Engineering undergraduate and freelance full-stack developer building scalable web applications, AI agents, automation systems, and real-world data solutions.

2+Years of Experience
30+Projects Delivered
3+Countries Served

What you get

  • Full-stack product builds from UI to backend
  • AI workflows with planning, tools, and memory
  • Responsive, SEO-ready client websites
  • Secure data, auth, and deployment foundations

Services

Services for web, AI, and business automation

Pick one service, or combine them into a complete production-ready system.

Full-Stack Development

I build responsive web apps, backend APIs, authentication, and database-backed client systems.

Next.js - Node.js - Databases

Agentic AI & Automation

I build AI agents, tool-calling workflows, chatbots, and automation flows for real business tasks.

Gemini - Ollama - n8n - MCP

Hybrid & Data Systems

I build offline-ready desktop systems, machine-learning pipelines, and secure data workflows.

C# .NET - ML - PostgreSQL

Toolkit

Tools I build with as an AI Developer

Core technologies aligned to my CV across frontend, backend, AI/ML, databases, mobile, security, cloud, and automation.

React.js
Next.js
TypeScript
JavaScript (ES6+)
HTML5
CSS3
Tailwind CSS
MongoDB
MySQL
PostgreSQL
SQLite
SQL
Node.js
Java (Spring Boot)
C# (.NET)
Flutter
FastAPI
Google Gemini API
Vercel AI SDK
Supabase
Zod
Kapruka MCP
MCP
Ollama
Google ADK
Gradio
Langflow
Flowise
n8n
TensorFlow
PyTorch
Python
Scikit-learn
Pandas
NumPy
Redis
Vercel
Firebase Auth
Arduino
Blender
Twilio
Google Sheets
GPT-4o
PDF
Authentication
Desktop App
OWASP Top 10
Burp Suite
Nmap
Git
GitHub
Bash

Frontend

  • React.js
  • Next.js
  • TypeScript
  • JavaScript (ES6+)
  • HTML5
  • CSS3
  • Tailwind CSS

Databases

  • MongoDB
  • MySQL
  • PostgreSQL
  • SQLite
  • SQL
  • Redis

AI/ML & Automation

  • Google Gemini API
  • Ollama
  • LLM Integration
  • Multi-Agent Systems
  • Tool Calling
  • ReAct Framework
  • Langflow
  • n8n
  • Flowise
  • Python (Pandas, NumPy, Scikit-learn)
  • TensorFlow
  • PyTorch

Backend

  • Node.js
  • FastAPI
  • Java (Spring Boot)
  • C# (.NET)
  • REST API Integration

Mobile & Cloud

  • Flutter (Dart)
  • Supabase
  • Vercel
  • Git
  • GitHub
  • Firebase Auth

Security

  • OWASP Top 10
  • Basic VAPT
  • Burp Suite
  • Nmap
  • ISO 27001 fundamentals

I combine product engineering and applied AI to deliver practical systems that are reliable, scalable, and ready for production.

Portfolio

Selected projects and live websites

Live websites use real captured previews. Internal systems show the technology stack used to build them.

Atlas - Kapruka AI Shopping Agent website previewatlas.itkannagara.dev

Atlas - Kapruka AI Shopping Agent

New

Agentic AI shopping platform for the Kapruka AI Agent Challenge with planning, product search, validation, bundle optimization, memory, and checkout.

  • ReAct workflow for intent routing and shopping planning.
  • MCP tool integration with streaming AI responses.
  • Persistent memory, bundle optimization, and checkout flow.
Next.jsTypeScriptVercel AI SDKGoogle Gemini APISupabaseZodKapruka MCP
Open Atlas
Snapseat.lk - Event Ticketing Platform website previewsnapseat.lk

Snapseat.lk - Event Ticketing Platform

Production-grade event ticket booking and management platform with Redis caching, secure payment webhooks, server-side validation, and a Gemini-powered support chatbot.

Next.jsNode.jsMongoDBRedisGoogle Gemini API
Visit Site
Freshco Kleen - Perth Cleaning Website website previewfreshcokleen.com.au

Freshco Kleen - Perth Cleaning Website

Responsive cleaning business website with service pages, quote flow, reviews, gallery, and trust-focused conversion sections.

Next.jsService WebsiteSEOResponsive UI
Visit Site
Clean & Shine - Cleaning Services NZ website previewcleanandshine.co.nz

Clean & Shine - Cleaning Services NZ

Modern cleaning brand website optimized for readability, mobile conversions, local discovery, and direct booking.

React.jsBusiness WebsiteBrand UIPerformance
Visit Site
Service Station Facilities website previewservicestationfacilities.com.au

Service Station Facilities

Facilities services platform with structured service information, quote CTAs, gallery content, and fast mobile browsing.

Next.jsCorporate WebsiteConversion UXResponsive UI
Visit Site
Emerald Charm Services website previewemeraldcharmservices.com.au

Emerald Charm Services

Professional service website emphasizing credibility, service visibility, contact flow, and strong local trust signals.

React.jsService WebsiteLead CaptureUX Copy
Visit Site

Ready to build something useful?

Let's build a full-stack product, AI agent, or business website that is ready for real users.

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