Available for Internship & Freelance Opportunities

FULL STACK DEVELOPER Building scalable web & mobile applications that solve real business problems.

I develop modern web applications, mobile applications, database systems, and business solutions focused on performance, usability, and clean architecture.

Kavindu Dissanayaka
Kavindu Dissanayaka Profile Picture
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CLI • v2.5.0 Status: Open to Work & Internships Zenodo DOI: 10.5281/zenodo.22746211
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projects_overview.json Full-Stack & AI Systems
resume_kavindu.md Bio & Education
certificates_verified.txt 22+ Credentials
research_publication.doi Zenodo Paper
orcid_author.txt ORCID iD Profile
contact_card.vcf Email, Phone, Socials
Projects: 9+ Systems
Certs: 22+ Verified
Paper: Published
Status: Open to Hire

About Me

A brief look into my background, skills, and qualifications

HNDIT Undergraduate & Software Enthusiast

I am an Higher National Diploma in Information Technology (HNDIT) Undergraduate from Sri Lanka with a strong interest in software development and web technologies. I enjoy building practical applications that solve real-world problems and improve user experiences.

Through academic projects and personal learning, I have developed technical proficiency in front-end design, Java logic, and database schemas. I am highly motivated to learn emerging technologies and collaborate on innovative digital systems.

Software Development

Building logic-driven applications in C# and Java.

Web & Interface Design

Designing interactive layouts in HTML, CSS, JavaScript, and Figma.

Cybersecurity Enthusiast

Pursuing certifications to build highly secure systems.

Continuous Tech Stream Hover to pause
Python
Computer Vision
Google Gemini API
Java
Biometrics (128D)
OpenAI (Agents)
C#
OpenCV
Claude Code
PHP
Machine Learning
IoT Systems
Linux
Windows
React 18 / React.js
Node.js
Vite
Express.js
JavaScript ES6+
Flask
HTML5
Tailwind CSS
CSS3
Microservices
Bootstrap 5
Leaflet.js (GIS)
Twilio API
Flutter
Dart
RESTful APIs
MySQL
MongoDB (NoSQL)
Docker
Firebase
Git
Figma
Postman
Canva
XAMPP
Adobe Suite
MS Access
Agile Adaptability
Analytical Troubleshooting
AI Workflow Analysis
Cross-Functional Communication
Self-Directed Learning
9 Shipped Production Systems & Research Works Explore Works Grid
  • QueueLess – Smart Virtual Queue Management Mobile App

    Engineered an enterprise cross-platform mobile queue virtualization ecosystem using Flutter 3.44+ and Dart 3.12+ with Cloud Firestore real-time streaming, dynamic rolling wait-time calculation, instant QR pass generation & scanning, and decoupled user experiences across Customer Mobile, Counter Staff Terminal, and Admin BI Portals.

    Tech Stack: Flutter 3.44+ • Dart 3.12+ • Firebase Auth • Cloud Firestore • Riverpod 2.5+ • Cloud Functions • QR Code Engine • Material 3
  • Research Paper: Disaster Relief Web Architecture (Zenodo DOI)

    Authored and published research paper "An Integrated Location-Aware Web Architecture for Disaster Reporting and Relief Allocation in Resource-Constrained Contexts" on Zenodo (DOI: 10.5281/zenodo.22746211), evaluated under 500 concurrent users with a SUS score of 85.

  • AI-Powered Face Recognition Attendance System (React, Node, Flask, OpenCV)

    Engineered an enterprise biometric attendance kiosk featuring decoupled microservices, 128D facial embeddings with Cosine Similarity, multi-tier anti-spoofing (blink + texture), interactive canvas HUD, and automated PDF/Excel analytics.

  • Smart Disaster Management and Relief Coordination System (Node.js • Published Architecture)

    Developed a full-stack emergency response system with Leaflet.js maps, Twilio SMS alerts, Gemini AI chatbot, and deterministic rainfall risk assessment engine.

  • AI-Powered Study Planner (PHP)

    Engineered an intelligent study schedule manager featuring AI scheduling, progress tracking, reminders, and calendar views.

  • Nova POS System (PHP)

    Designed a modular Point of Sale interface with role-based dashboard, AJAX cart, inventory reduction, and CSV exports.

  • Movie Booking System (Web)

    Developed a responsive ticket reservation system using HTML, CSS, JavaScript, and MySQL for seats booking and movie schedule listings.

  • Weather Web Application (Java)

    Built a full-stack weather application in pure Java without external frameworks, incorporating REST APIs for live data rendering.

  • Smart Disaster Relief Database

    Designed a relational database schema in MySQL to facilitate resources allocation, incident reporting, and real-time response operations.

  • Higher National Diploma in Information Technology

    SLIATE (Sri Lanka Institute of Advanced Technological Education) | 2024 - Present

    Specializations: Database Systems, OOP, Web Programming, Computer Networks, Mobile App Developing.
  • GCE Advanced Level (Bio Science 2023)

    R/Ganakanda Central College

    Grades: Biology - C | Physics - S | Chemistry - S
  • GCE Ordinary Level (2018)

    R/Kahawatta Central College

    Grades: English - C | ICT - A | Sinhala - A | Science - B | Mathematics - B | Civil Education - A | History - A | Tamil - B | Music - B | Buddhism - A
22+ Verified Global Credentials Verify on Credly
  • Data Science Essentials with Python

    CISCO Networking Academy — Issued 21 Sep 2026

    Verification ID: e2b2711a-702f-481c-9319-7544e6f34440
  • Python for Beginners

    University of Moratuwa — Issued Sep 2026

  • Introduction to IOT

    Simplilearn — Issued Sep 2026

  • Claude Code 101

    Anthropic — Issued Aug 2026

  • AI Fluency for Students

    Anthropic — Issued Aug 2026

  • AI Fluency for K-12 Educators

    Anthropic — Issued Aug 2026

  • Applied AI Foundations

    OpenAI — Issued Jul 2026

  • Agents and Workflows

    OpenAI — Issued Jul 2026

  • Gemini Certified Student (University)

    Google — Issued Jul 2026 · Expires Jul 2029

  • Gemini Certified Student (K-12)

    Google — Issued Jul 2026 · Expires Jul 2029

  • MongoDB Overview: Core Concepts and Architecture

    MongoDB — Issued Jul 2026

  • AI for Business Professionals

    HP LIFE — Issued Jul 2026

  • Python Programming

    SuhuruSara — Issued Jul 2026

  • Ethical Hacking Certification

    CISCO Networking Academy — 2026

  • Cyber Security Certification

    CISCO Networking Academy — 2025

  • Cyber Threat Management

    CISCO Networking Academy — 2025

  • AI for Beginners

    HP LIFE — 2025

  • Data Science and Analytics

    HP LIFE — 2025

  • Digital Business Skill

    HP LIFE — 2025

  • Cyber Security Awareness

    HP LIFE — 2025

  • Customer Experience Focus

    HP LIFE — 2025

  • Agile Project Management

    HP LIFE — 2025

  • P.L.J.L. Rajakaruna

    Visiting Lecturer

    Department of Information Technology,
    Advanced Technological Institute, Ratnapura
    Email: 93jani.rajakaru@gmail.com | Tel: 0718400036
  • K.G.G.K. Weerasinghe

    Visiting Lecturer

    Interwave Solution (pvt) Ltd.
    Tel: 0713718300

My Achievements

Quantified metrics showcasing my development progression

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Projects Completed
0
Technologies Mastered
0
Certifications Earned
0
Research Publication
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GitHub Repositories

What I Do

Specialized technical competencies and engineering solutions built for performance, reliability, and business impact

01
Frontend & Full-Stack

Web Developer

Engineering responsive, high-performance web applications and dynamic user interfaces with clean semantic code, modern component architecture, and seamless API connectivity.

Capabilities & Tech
  • Single Page Applications & React 18 component design
  • Decoupled RESTful APIs, Node.js & dynamic state handling
  • Cross-browser responsiveness, SEO & speed optimization
React 18 Node.js PHP JavaScript Vite CSS3
02
Architecture & AI Systems

Software Engineer

Designing modular software architectures, clean object-oriented systems, and biometric computer vision pipelines using Python and Java with microservices and Docker.

Capabilities & Tech
  • Clean code OOP architecture, design patterns & unit testing
  • AI & Computer Vision pipelines (OpenCV, 128D embeddings, anti-spoofing)
  • Decoupled microservices, Docker containers & Flask APIs
Python Java OpenCV Flask Docker Microservices
03
Data Engineering & Storage

Database Developer

Architecting resilient relational database schemas (MySQL) and scalable document stores (MongoDB) with focus on normalization, complex queries, and data integrity.

Capabilities & Tech
  • Relational schema design, ER modeling & 1NF–3NF normalization
  • MongoDB document modeling, indexing & aggregation pipelines
  • Complex query optimization, transaction safety & integrity constraints
MySQL MongoDB Relational DB SQL Queries Schema Design
04
IT Infrastructure & Support

Information Communication Technology Assistant

Administering enterprise ICT infrastructure, computer network setup, hardware maintenance, system troubleshooting, and technical user support with Cisco & IoT expertise.

Capabilities & Tech
  • Computer networking (Cisco), IP addressing (IPv4/IPv6) & routing/switching
  • Hardware diagnostics, OS installation & preventive maintenance
  • IoT hardware connectivity, smart device integration & technical support
Cisco Networking Network Config Hardware & OS IoT Devices Troubleshooting
05
Mobile Engineering & UX

Mobile Application Developer

Crafting fluid, responsive mobile applications featuring touch-optimized UI/UX, client-side offline caching, and secure backend synchronization.

Capabilities & Tech
  • Intuitive, modern touch interface (UI/UX) with fluid animations
  • Client-side offline caching, persistent local storage & background sync
  • Native hardware API integration & secure cloud REST communication
Flutter / Dart Firebase / Cloud Riverpod State Cross-Platform Mobile UI/UX QR & Realtime Sync
06
Biometrics & AI Systems

AI & Computer Vision Developer

Engineering intelligent computer vision pipelines, biometric recognition kiosks, and AI workflows leveraging OpenCV, 128D facial embeddings, and modern LLMs.

Capabilities & Tech
  • Facial recognition kiosks, 128D embeddings & multi-tier anti-spoofing
  • Real-time vision pipelines with OpenCV, NumPy & Python Flask
  • AI agentic workflows & prompt systems (OpenAI, Anthropic & Gemini)
OpenCV Python Biometrics Flask API AI Agents Gemini / Claude
Industry & Academic Credentials

Verified Certifications

Official credentials and verified competencies across Artificial Intelligence, Cloud Architectures, Cybersecurity, and Software Engineering.

22+ Verified Certificates 9 Global Academies Credly Verified Badges Google · OpenAI · Anthropic · CISCO · HP LIFE · Moratuwa Click Any Card to Inspect High-Resolution
Track 1 · Generative AI, Systems & Emerging Tech Hover row to pause & inspect
Google Google Gemini University Certificate
Inspect Certificate

Gemini Certified Student (University)

Generative AI model prompting, reasoning & university curriculum integration.

OpenAI OpenAI Applied AI Foundations Certificate
Inspect Certificate

Applied AI Foundations

Core generative AI architecture, API integration & enterprise AI deployment.

Anthropic Anthropic Claude Code 101 Certificate
Inspect Certificate

Claude Code 101

Agentic coding, Claude 3.5 Sonnet tools, prompt optimization & workflow automation.

Moratuwa University of Moratuwa Python Certificate
Inspect Certificate

Python for Beginners

Foundational programming, data structures, algorithms & modular software architecture.

OpenAI OpenAI Agents and Workflows Certificate
Inspect Certificate

Agents and Workflows

Autonomous multi-step agents, function calling & tool-augmented AI workflows.

Google Google Gemini K-12 Certificate
Inspect Certificate

Gemini Certified Student (K-12)

AI literacy, ethical guidelines, machine learning concepts & prompt design.

Anthropic Anthropic AI Fluency for Students Certificate
Inspect Certificate

AI Fluency for Students

Claude reasoning models, advanced chain-of-thought analysis & research workflows.

Simplilearn Simplilearn Introduction to IoT Certificate
Inspect Certificate

Introduction to IoT

Internet of Things architectures, embedded sensors, cloud telemetry & automation.

CISCO CISCO Ethical Hacking Certificate
Inspect Certificate

Ethical Hacking Certification

Penetration testing methodologies, vulnerability discovery & network defense.

CISCO CISCO Data Science Essentials with Python Certificate
Inspect Certificate

Data Science Essentials with Python

Python data analysis, statistical methods, data visualization & predictive modeling essentials.

Track 2 · Cybersecurity, Data Science & Project Governance Hover row to pause & inspect
Anthropic Anthropic AI Fluency for Educators Certificate
Inspect Certificate

AI Fluency for K-12 Educators

Pedagogical integration of LLMs, educational prompt engineering & AI safety.

HP LIFE HP LIFE AI for Business Professionals Certificate
Inspect Certificate

AI for Business Professionals

Strategic AI implementation, workflow automation & data-driven enterprise ROI.

CISCO CISCO Cyber Security Certificate
Inspect Certificate

Cyber Security Certification

Network security protocols, cryptographic implementations & firewall governance.

HP LIFE HP LIFE Data Science & Analytics Certificate
Inspect Certificate

Data Science & Analytics

Data mining, predictive analytics modeling & statistical decision-making.

CISCO CISCO Cyber Threat Management Certificate
Inspect Certificate

Cyber Threat Management

Threat vector incident triage, SIEM telemetry & proactive mitigation strategies.

HP LIFE HP LIFE Cybersecurity Awareness Certificate
Inspect Certificate

Cybersecurity Awareness

Social engineering defense, malware mitigation & secure digital workspace practices.

HP LIFE HP LIFE Digital Business Skills Certificate
Inspect Certificate

Digital Business Skills

Cloud collaboration, digital transformation & agile communication tools.

HP LIFE HP LIFE Agile Project Management Certificate
Inspect Certificate

Agile Project Management

Scrum methodology, sprint planning, backlog refinement & continuous iteration.

HP LIFE HP LIFE Customer Experience Certificate
Inspect Certificate

Customer Experience (CX)

User-centric system journeys, feedback loops & client retention optimization.

HP LIFE HP LIFE AI for Beginners Certificate
Inspect Certificate

AI for Beginners

Foundations of artificial intelligence, neural networks & computer vision concepts.

SuhuruSara SuhuruSara Python Programming Certificate
Inspect Certificate

Python Programming

Applied object-oriented programming, automation scripting & algorithmic logic.

Featured Projects

Showcase of practical systems built for mobile, web, AI, Java, and cloud platforms

QueueLess Virtual Queue Mobile App Preview Completed | Sep 2026

QueueLess Mobile App

Cross-platform virtual queue management system with live streams, dynamic wait times, and QR passes.

  • Real-time virtual queues & dynamic estimation
  • Instant QR check-in & digital ticketing passes
  • Customer, Staff Counter & Admin BI apps
Flutter Dart Firebase Riverpod
Mobile App
Disaster Relief Research Paper Architecture Preview Published | 2026

Disaster Relief Architecture

Location-aware web architecture for real-time disaster reporting, risk assessment, and relief distribution.

  • 3-tier Node.js, Express & MySQL stack
  • Deterministic rainfall risk decision engine
  • 500 user load test (2,850 ms) & 85 SUS
Zenodo Node.js MySQL Leaflet.js SUS: 85
Read Paper
Smart Disaster Relief System Preview Completed | 2026

Smart Disaster Relief

Full-stack platform coordinating real-time emergency warnings, resource allocation, and logistical response.

  • Gemini AI chatbot & Twilio SMS alerts
  • Leaflet.js map shelter matching
  • JWT authentication & role security
Node.js Express.js Leaflet.js MySQL Gemini AI
Paper
Nova POS System Preview Maintained

Nova POS System

Modular Point of Sale application featuring real-time checkout, stock deduction, and sales dashboards.

  • Real-time AJAX POS cart checkout
  • Admin/cashier roles dashboard
  • Printable invoices & CSV reports
PHP MySQL Bootstrap 5 Chart.js
Live Demo
AI Study Planner Preview Completed

AI Study Planner

PHP web application facilitating AI-priority scheduling, progress tracking, and calendar views for students.

  • AI-priority scheduling engine
  • Calendar & timeline visualizers
  • PDF exports & browser reminders
PHP MySQL JavaScript XAMPP
Live Demo
Movie Booking System Preview Completed

Movie Ticket Booking

A web application facilitating theater ticket booking, scheduled movie listings, and hall seat selections.

  • Interactive seat charts reservation
  • Real-time booking schedules
  • Responsive grid UI layout
HTML5 CSS3 JavaScript SQL
Live Demo
Java Weather App Preview Completed

Weather App (Java)

Lightweight Java server backend that aggregates live weather reports for cities dynamically.

  • REST API weather integration
  • No heavyweight framework footprint
  • Responsive web interface styling
Java SE HttpServer REST API JSON
Live Demo
Disaster Relief System Preview Completed

Disaster Relief DB

Relational database designed to coordinate resources, reporting, and logistics in emergency situations.

  • Disaster reporting tables structure
  • Resource allocation tracking
  • Optimized SQL joins & indexes
SQL MySQL Schema Design
Live Demo

Timeline

A chronicle of my educational and development milestones

Sep 2026 • Flagship Mobile App

QueueLess: Smart Virtual Queue Management Mobile System

Cross-Platform Flutter • Firebase Realtime • Riverpod 2.5+

Architected and engineered an enterprise-ready cross-platform mobile virtual queue system. Features dynamic wait-time estimation algorithm, real-time Cloud Firestore ticket synchronization, instant on-site QR check-in & passes, atomic serverless Cloud Functions, and three distinct role portals for Customers, Counter Staff, and Branch Administrators.

2026 • Published

Published Research Paper: Disaster Relief Web Architecture

Zenodo Open Access • DOI: 10.5281/zenodo.22746211

Authored and published research paper titled "An Integrated Location-Aware Web Architecture for Disaster Reporting and Relief Allocation in Resource-Constrained Contexts". Features a 3-tier architecture (Node.js/Express, Leaflet.js, MySQL), deterministic rainfall risk assessment engine, concurrent load benchmarks (2,850 ms at 500 users), and usability validation (System Usability Scale score of 85).

2026

AI Biometrics & Generative AI Certifications

OpenAI, Google, Anthropic, Moratuwa & Flagship Projects

Engineered an enterprise-grade AI Face Recognition Attendance System with OpenCV & microservices; earned certifications from Google (Gemini), OpenAI (Agents & Workflows, Applied AI), Anthropic (Claude Code 101), Simplilearn (IoT), and University of Moratuwa (Python).

2026

Ethical Hacking & Database Systems

CISCO Networking Academy & Projects

Completed ethical hacking certification and designed advanced relational database structures including the Smart Disaster Relief Database schema.

2025

Industry Exposure & Field Visit

Technova Solutions - Avissawella

Observed Agile software development workflows, manual software testing procedures, team-based project planning, and LMS development.

2025

Cybersecurity & Digital Skills

CISCO & HP-LIFE Certifications

Earned multiple certifications in Cyber Threat Management, Agile Project Management, Data Science & Analytics, and Customer Focus, refining professional engineering practices.

2024 - Present

HNDIT Degree (Ongoing)

SLIATE - Undergrad Career

Pursuing Higher National Diploma in IT. Focus includes database systems management, object-oriented programming (Java/C#), web design, and structured system analysis.

2023

A/Levels Complete

R/Ganakanda Central College

Completed GCE Advanced Level examinations in Bio Science streams (Biology, Chemistry, Physics), building a solid foundation in sciences and analytical reasoning.

Testimonials

What peers and academic instructors say about my work

Kavindu demonstrates deep enthusiasm for database designs. His Smart Disaster Relief database project shows structural rigor and optimized querying structures, highlighting strong problem-solving skills.

AI

Academic Instructor

SLIATE IT Department

An excellent team member during web development labs. Kavindu's UI styling layouts in HTML/CSS are neat and highly responsive, and he handles client-side integrations with ease.

PP

Project Peer

SLIATE HNDIT Undergrad

Get in Touch

Send me a message to discuss internship, freelance, or study collaborations

Contact Information

Call Me

076-6107191

Location

Sri Lanka