Business Management Systems
01Billing, stock, payments, users, reports, and workflows.
Available for projects and learning collaborations
Hello, I'm Janidu Sandaruwan
Building Digital Systems
IT Undergraduate • Full-Stack Developer • Business System Builder
I build business systems, websites, Android apps, and student resources that help people work and learn faster.
7+Projects Built
Y1S2SLIIT IT Student
6+Projects
Y2SLIIT IT
24/7Learning Mode
1Study Hub
New Platform
Study Hub By J
A student resource hub for reference sheets, mock exams, and interactive quizzes. Built for fast revision and easy access before exams.
Reference Sheets
HTML Quizzes
Mock Exams
Business Systems • Websites • Apps
About Me
Student mindset. Builder mindset.
I am Janidu Sandaruwan, a 21-year-old B.Sc. (Hons) Information Technology undergraduate at SLIIT from Colombo, Sri Lanka.
I enjoy building useful digital products such as business management systems, websites, Android apps, and learning platforms. My goal is to become the best developer I can be by building real solutions.
LocationColombo, Sri Lanka
EducationB.Sc. (Hons) IT, SLIIT
SchoolD. S. Senanayake College
BusinessCo-Director, JP Group
Tech Stack
Technologies I work with
JavaOOP / Systems
LaravelBusiness Apps
PHPBackend
MySQLDatabase
HTMLStructure
CSSUI Design
JavaScriptInteractive UI
GitHubVersion Control
LinuxServer
NginxDeployment
AndroidMobile Apps
DigitalOceanCloud Server
What I Build
Useful systems for real problems.
Modern Websites
02Personal brands, business websites, content platforms, and landing pages.
Android Apps
03Task apps, reminder apps, and simple productivity tools.
Student Tools
04Reference sheets, quizzes, mock exams, and exam resource hubs.
Featured Projects
Some Things I've Built
Study Hub By J
A free student resource platform created to help students practise mock exams, download reference sheets, access revision resources, and receive updates for newly uploaded study materials.
SLIIT GPA Calculator
A student-friendly GPA calculator built for SLIIT students to select their year, semester and grades, then instantly calculate their estimated GPA, pass status and Dean’s List eligibility.
JP Fashion POS / Clothing Business System
Real-world POS and clothing business management system with billing, stock, reports, users, and online deployment.
DailyDoByJ
Daily task managing Android app to organize tasks, remember important work, and get notifications.
Guest House Booking System
Online guest house booking system with room availability checking and digital booking records.
Fitness Center Management System
Management system for member registration, payment control, and fitness center operations.
Financial Management System
Online finance record system for managing financial work with multiple employees instead of manual books.
Gaming Content Website
Creative website concept for gaming content, community media, and modern gaming brand presentation.