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Hey There! Available for Full-Stack & WordPress Projects

Hi, I'm Sachintha Bhagya

Full Stack Developer

Results-driven Software Engineer specializing in scalable web apps, e-commerce, and custom SaaS solutions. Proficient in Full-Stack development (React.js, Next.js, Node.js, PHP, PostgreSQL) and server management (VPS, Docker, cPanel).

Sachintha Bhagya
Sachintha Bhagya Software Engineer | Full Stack & SaaS Developer
✦ FULL STACK ENGINEERING ✦ CUSTOM WORDPRESS THEMES & PLUGINS ✦ SAAS ARCHITECTURE ✦ REACT.JS & NEXT.JS ✦ JAVA & SPRING BOOT ✦ PYTHON & DJANGO ✦ POSTGRESQL & MYSQL ✦ DOCKER & CONTABO VPS ✦ FULL STACK ENGINEERING ✦ CUSTOM WORDPRESS THEMES & PLUGINS ✦ SAAS ARCHITECTURE ✦ REACT.JS & NEXT.JS ✦ JAVA & SPRING BOOT ✦ PYTHON & DJANGO ✦ POSTGRESQL & MYSQL ✦ DOCKER & CONTABO VPS
Who Am I

Solving Complex Problems With Scalable Architecture

I am a Software Engineer based in Sri Lanka, specializing in full-stack web applications, custom WordPress themes and plugins, e-commerce storefronts, and multi-tenant SaaS architectures. Currently pursuing my BSc (Hons) in Applied Sciences at the University of Peradeniya alongside a BEng in Software Engineering.

Get In Touch
03+
Years Of Engineering Experience
25+
Live Production Websites Delivered
10+
Custom SaaS & Full-Stack Systems
Our Services

The Full-Stack Engineering Process

01

Full-Stack & SaaS Web Engineering

Architecting and developing high-concurrency SaaS platforms, Learning Management Systems (LMS), and custom web applications using Next.js, React.js, Node.js, Django, and PostgreSQL.

02

Custom WordPress Themes & Plugins

Building bespoke, lightweight WordPress themes and full-featured plugins from scratch—complete with Custom Post Types, dynamic admin dashboards, CRM lead trackers, and zero bloat.

03

E-Commerce & Interactive Booking Engines

Developing high-converting WooCommerce storefronts, real-time USD tour cost calculators, hotel room reservation workflows, and secure payment gateway integrations.

04

Cloud, VPS & DevOps Administration

Managing end-to-end production deployments across Contabo VPS, Docker containers, cPanel, and Virtualmin with SSL automation, email routing, and hardened server security.

05

PageSpeed & Technical SEO Optimization

Transforming websites into 95+ Core Web Vitals performers through server-side WebP conversion, schema markup, meta engineering, and database optimization.

06

UI/UX Design & Data-Driven Analytics

Designing clean, modern interfaces in Figma, Adobe Illustrator & Photoshop backed by Six Sigma DMAIC statistical customer behavior analysis in R-Studio.

Featured Portfolio

Key Software Projects

View 19+ Live Client Domains
Awe Lanka Tours – Custom Tour Management & DMC Web App
WordPress & Custom Plugin 2025 – 2026

Awe Lanka Tours – Custom Tour Management & DMC Web App

Developed a custom WordPress theme and core DMC plugin featuring Custom Post Types for Tour Packages, Destinations, Events, and Chauffeur Vehicles with a real-time USD Custom Tour Builder ("Plan My Trip"), CRM lead tracker, and Google Places review syncing.

WordPress PHP 8 JavaScript Tailwind CSS AJAX MySQL
CrownEdu SaaS Learning Management System (LMS)
SaaS & Full-Stack 2024 – 2025

CrownEdu SaaS Learning Management System (LMS)

Architected and developed a scalable SaaS Learning Management System tailored for educational institutes, integrated live with crownedu.lk featuring secure authentication, role-based access control, and course workflows.

Next.js Node.js Django PostgreSQL
StaySync – Full Hotel Management & Room Booking System
SaaS & Full-Stack 2024

StaySync – Full Hotel Management & Room Booking System

Collaborated in a cross-functional team to design and develop a comprehensive hotel management system featuring an integrated room booking module, guest registration, and real-time room availability tracking.

TypeScript Django Python PostgreSQL
25+ Custom WordPress Themes & E-Commerce Storefronts
WordPress & Custom Plugin 2023 – 2026

25+ Custom WordPress Themes & E-Commerce Storefronts

Designed, developed, and deployed 25+ WordPress websites, e-commerce storefronts, and custom themes including laqsouthasia.com, solenne.lk, brandshug.lk, angarasl.com, opulentleisure.com, whogallery.com.au, and dtaengineering.com.au.

WordPress WooCommerce Elementor Custom Themes PHP MySQL
CT Gems E-Commerce & Institutional Platform
E-Commerce & PHP 2024

CT Gems E-Commerce & Institutional Platform

Architected and developed a scalable PHP-based platform utilizing MySQL with secure user authentication, role-based access control, and an integrated payment gateway for seamless online transactions.

PHP MySQL JavaScript HTML5/CSS3
BURG – University Faculty Operations Web Application
E-Commerce & PHP 2025

BURG – University Faculty Operations Web Application

Developed and maintained "BURG", a custom PHP-based web application built for the Faculty of Management, University of Peradeniya to digitize and streamline internal faculty operations.

PHP MySQL JavaScript HTML/CSS
Hotel Management Desktop POS & SB Mobile Shop Android App
Mobile, POS & Data Science 2023 – 2024

Hotel Management Desktop POS & SB Mobile Shop Android App

Designed a desktop Point of Sale (POS) system using Java Swing (JFrame) and MySQL alongside a native Android mobile retail application powered by XML, Firebase, and SQLite.

Java Java Swing Android Studio Firebase MySQL SQLite
Statistical Analysis of E-Commerce Customer Behavior
Mobile, POS & Data Science 2025

Statistical Analysis of E-Commerce Customer Behavior

Analyzed 50,000+ customer records in R-Studio using the Six Sigma DMAIC framework, Pareto Analysis, and R-Control Charts to identify platform churn drivers and boost Customer Lifetime Value (LTV).

R-Studio Six Sigma DMAIC Pareto Analysis R-Control Charts
Languages, Frameworks & Tools

Technical Stack & Tools

WordPress
WordPress CMS & E-Commerce
98%
React.js
React.js Frameworks
95%
Next.js
Next.js Frameworks
94%
Node.js
Node.js Frameworks
94%
Java
Java Programming
92%
Spring Boot
Spring Boot Frameworks
90%
PHP 8
PHP 8 Programming
96%
Python
Python Programming
93%
Django
Django Frameworks
92%
JavaScript
JavaScript Programming
96%
TypeScript
TypeScript Programming
92%
PostgreSQL
PostgreSQL Databases
94%
MySQL
MySQL Databases
96%
MongoDB
MongoDB Databases
91%
Firebase
Firebase Databases
90%
Tailwind CSS
Tailwind CSS Frameworks
96%
WooCommerce
WooCommerce CMS & E-Commerce
97%
Docker
Docker Cloud & DevOps
91%
Linux & VPS
Linux & VPS Cloud & DevOps
93%
Figma UI/UX
Figma UI/UX Design Tools
94%
Adobe Illustrator
Adobe Illustrator Design Tools
90%
Adobe Photoshop
Adobe Photoshop Design Tools
92%
Android Studio
Android Studio Mobile & POS
89%
R-Studio (Six Sigma)
R-Studio (Six Sigma) Data Analytics
91%
My Experience

Professional Work Experience

June 2023 – Sep 2026
Associate Full Stack Developer (Remote)

Developed responsive tourism, e-commerce, and portfolio websites delivering live projects including angarasl.com, opulentleisure.com, modara.lk, silverline.lk, earthlankaevents.com, iwingstours.lk, and turboenergy.lk. Designed and built custom WordPress themes and websites (laqsouthasia.com, solenne.lk, and brandshug.lk) alongside implementing dynamic features using React.js and Next.js.

Devsmark (PVT) Ltd.
Jan 2024 – Present
Freelance Full Stack & WordPress Developer

Delivered custom web solutions for international and local clients (awelanka.com, winwil.lk, whogallery.com.au, crownedu.lk). Managed end-to-end server deployments and optimization using cPanel, Virtualmin, and Contabo VPS.

Global & Local Client Portfolio
Feb 2024 – Aug 2026
WordPress Web Developer (Remote – Part-Time)

Maintained and updated company websites: dtaengineering.com.au, dtageneraltrading.com.au, and dtaauseducation.com.au. Administered cPanel operations, SSL deployment, automated backups, and comprehensive on-page SEO.

DTA Engineering (Australia)
Jan 2025 – June 2026
Web Developer & Graphic Designer (Part-Time)

Developed and maintained "BURG", a custom PHP-based web application to streamline faculty operations. Designed visual content and digital media for university events and academic programs.

Faculty of Management, University of Peradeniya
Education, Schools & Honours

Universities, Schools & Awards

BSc (Hons) in Applied Sciences

University of Peradeniya • 2022 – Present
University Honours

BEng in Software Engineering

Java Institute for Advanced Technology (IIC University) • 2021 – 2025
BEng Degree

Masters Course in Digital Marketing & Business

Max Business School • Completed
Masters Course

Royal College Colombo 07

G.C.E. Advanced Level (A/L) Examination • 2017 – 2020
2 B's & 1 C

Hanwella Rajasinghe Central College

G.C.E. Ordinary Level (O/L) Examination • 2011 – 2017
9 A's

Letter of Appreciation – DTA Engineering (2025)

Recognized for driving DTA Engineering AIMEX 2025 exhibition in Australia • 2025
Award

Lead Graphic Designer | Art Circle

Faculty of Science, University of Peradeniya • Jan 2025 – Jan 2026
Leadership

Graphic Designer | Science Reporter

University of Peradeniya • Jan 2024 – Mar 2025
Volunteering

Member of the University Cricket Team

University of Peradeniya • 2023 – 2025
Sports
Get In Touch

Let's Contact!

[email protected] • +94 77 211 3606 • No 28, Ranavirugama, Salawa, Kosgama, Sri Lanka

Direct Contact Channels

Email[email protected]
Phone / WhatsApp+94 77 211 3606
LocationNo 28, Ranavirugama, Salawa, Kosgama, Sri Lanka