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Open to opportunities  ·  Dhaka, Bangladesh

Masum
Billah.

Passionate Software Engineer with 7+ years delivering high-quality, scalable, and performance-driven digital solutions — from pixel-perfect frontends to cloud-deployed back-ends. I specialise in building end-to-end products that solve real-world problems across React, Laravel, WordPress, Flutter, and beyond. Currently a Software Engineer at Scylla Technologies, Atlanta, GA.

Available for full-time, freelance & remote roles
LinkedIn GitHub WordPress Packagist npm
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About

I'm Masum Billah, a full-stack software engineer based in Dhaka, Bangladesh. Over 7+ years I've built everything from pixel-perfect frontends and RESTful APIs to WordPress plugins, cross-platform mobile apps with Flutter, and cloud-deployed e-commerce platforms — working for companies in Bangladesh, the United States, and Israel.

I'm a WordPress Core Contributor at WordPress.org, a published PHP package author on Packagist, and an npm author. I bring the same discipline I apply to commercial projects to every open-source tool I release.

I hold a BSc in Computer Science & Engineering from Dhaka International University. Beyond engineering I write high-quality technical content, and communicate clearly with both technical teams and non-technical stakeholders.

Experience 7+ Years
Current CompanyScylla Technologies
Location Dhaka, Bangladesh
Education BSc CSE · DIU
WordPress Core Contributor
Availability Open
Core Technical Expertise
Front-End
JavaScript / TypeScript
React.js
Vue.js
HTML / CSS / SCSS
Tailwind / Bootstrap
jQuery
Back-End
PHP (OOP)
Laravel
Node.js
Python / Django
Python / Flask
Golang
WordPress & E-Commerce
WP Theme Dev
WP Plugin Dev
WooCommerce
Shopify
Magento
Headless WP
DevOps & Mobile
Git / GitHub
MySQL / MongoDB / SQLite
Flutter (Android / iOS)
AWS
Docker / CI·CD
REST / GraphQL APIs
Experience
Jan 2025 — Present
Full-time · 1 yr 3 mos
📍 Atlanta, GA · Remote
Software Engineer
Scylla Technologies
Full Stack Development across web and API layers.
WordPress Plugin & Theme Development.
Laravel, Vue.js & React.js application development.
API Development & Integration.
Database Management (MySQL); Performance Optimisation & Security hardening.
Software Testing & CI/CD Deployment.
PHPLaravelWordPress Vue.jsReact.jsMySQLAWS
Mar 2023 — May 2024
Full-time · 1 yrs 2 mos
📍 Dhaka · On-site
Software Engineer
Themeic
Designed and implemented new features and functionality for the CMS platform.
Ensured high performance and availability; managed all technical aspects of the system.
Collaborated with clients to translate requirements into technical solutions and support.
Implemented WordPress code mechanisms and Headless WordPress architecture.
WordPressHeadless WP PHPAPI Development
Mar 2016 — Jan 2023
Freelance · 7 yrs 11 mos
📍 Israel · Remote
WordPress Developer & Technical Content Writer
Fiverr
Created professional & dynamic WordPress products — custom Themes, Plugins & Add-ons for international clients.
Wrote high-quality, SEO-friendly technical blog content across software and engineering topics.
WordPressPHP Plugin DevTheme DevSEO Writing
Jan 2021 — Jan 2023
Full-time · 2 yrs 1 mo
📍 United States · Remote
WordPress Engineer
Yves Delorme
Built and customised online stores integrating payment gateways, shipping methods, and tax configurations.
Enhanced WooCommerce functionality with custom plugins and extensions.
Implemented SEO best practices to improve search engine rankings and site visibility.
Monitored and optimised the performance of high-traffic e-commerce websites.
WordPressWooCommerce PHPE-CommerceSEO
Jan 2018 — Nov 2020
Full-time · 2 yrs 11 mos
📍 Tel Aviv, Israel · Remote
Frontend Developer
Fattish
Utilised HTML, CSS, and JavaScript to create visually appealing and user-friendly designs.
Optimised performance — code minification, lazy loading, and image optimisation.
Ensured consistent UI and appearance of websites across all modern browsers.
Conducted extensive testing and debugging to address cross-browser issues.
HTMLCSS JavaScriptPerformanceCross-Browser
Mar 2015 — Nov 2017
Full-time · 2 yrs 9 mos
📍 Dhaka · On-site
Technical Support Specialist
Banglalink
Achieved high customer satisfaction by resolving inquiries and complaints promptly.
Resolved issues on first call, reducing repeat contacts and boosting retention.
Increased sales through effective product recommendations and upselling.
Enhanced data accuracy, ensuring reliable customer records for management decisions.
Technical SupportCustomer ServiceData Management
Open Source Projects
All on GitHub
01
countries-states-cities-packagist

PHP Composer package providing comprehensive country, state, and city data — including ISO2 codes and phone codes. Easy drop-in for any Laravel or PHP application.

PHPComposerPackagistOpen Source
Packagist ↗ GitHub
02
php-image-optimizer

PHP package for server-side image resizing and compression. Supports multiple output formats and quality settings with a clean chainable API.

PHPImage ProcessingPackagist⭐ Starred
GitHub
03
easy-wp-chat-integration

WordPress plugin to integrate any third-party chat widget (WhatsApp, Tidio, Crisp…) into a WordPress site — no coding required.

PHPWordPressPlugin
GitHub
04
simple-secure-random-password-generator

Lightweight npm package for generating strong, customisable random passwords in Node.js or any modern browser. Zero dependencies.

JavaScriptnpmSecurity
npm ↗ GitHub
05
php-math-operations

Comprehensive PHP library with a clean API for common and advanced mathematical operations — ideal for financial, scientific, and data-processing apps.

PHPLibraryPackagist
GitHub
06
text-to-speech-api

Lightweight JavaScript class wrapping the native Web Speech API with a promise-based interface. Zero dependencies — works in any modern browser.

JavaScriptWeb APInpm
GitHub
Contact

Let's build
something great

Open to senior & lead engineering roles, freelance projects, and open-source collaborations. I respond within 24 hours.

LinkedIn View Profile GitHub View Repos WordPress.org Core Contributor ↗ Packagist PHP Packages ↗ npm JS Packages ↗
Location Dhaka, Bangladesh
✓  Message sent — I'll reply within 24 hours.