/about-me

who am i?

I'm Rayhan Abdullah — a Senior Software Engineer and Engineering Lead based in Dhaka, Bangladesh.

For 4+ years I worked at iNiLabs, one of Envato's most active SaaS product studios. I contributed to 10+ commercial software products that collectively reached 8,700+ sales and 4.31 stars from 600+ verified global buyers.

The products I worked on are deployed in real businesses worldwide — a school management system running in 2,300+ institutions, a restaurant delivery platform used by 1,000+ outlets, hospital ERPs, eCommerce POS systems, and hostel management tools.

My work wasn't just writing features. It was client customization, business logic implementation, payment gateway integration, server deployment, and keeping mission-critical systems stable under real production load — for customers across the US, Europe, South Asia, and Southeast Asia.

Now I'm building independently. I take on startups, scaling businesses, and agencies that need a reliable engineering partner for the long term — someone who understands both the technical depth and the business context behind every system.

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/**
"

"I don't just write code. I build systems that grow with your business."

_Rayhan AbdullahSenior Backend Engineer & SaaS Architect
*/

#skills

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Languages
PHP JavaScript TypeScript Python C
Frameworks
Laravel Codeigniter InertiaJS ReactJS VueJS ExpressJS AlpineJS NuxtJS NodeJS
Databases
MySQL PostgreSQL MongoDB SQLite Redis Firebase
DevOps & Tools
Git GitHub_Actions CI/CD Docker Laradock Linux Apache Nginx Postman NPM Yarn Composer
Others
HTML CSS SCSS Bootstrap TailwindCSS REST_API JSON WebSockets WebRTC

#experience

Software EngineerJan 2022 - Dec 2025 · 4 yrs

iNiLabs

Dhaka, Bangladesh (On-site)
  • / Contributed to products with 8,700+ combined global sales and a 4.31-star rating from 600+ verified buyers.
  • / Worked on School Management ERP now deployed in 2,300+ institutions worldwide.
  • / Implemented client-specific customizations and business logic across FoodKing, ShopKing, iTest, Shopperzz, Hospital ERP, and more.
  • / Integrated payment gateways including Stripe Terminal and SSLCommerz across multiple production products.
  • / Handled Linux/Nginx server deployments, Docker environments, and MySQL performance optimization.
Laravel DeveloperSep 2021 - Dec 2021 · 4 mos

iNiLabs

Dhaka, Bangladesh
  • / Contributed to feature development and bug fixes on production SaaS products.
  • / Worked with Laravel and CodeIgniter MVC patterns in a real commercial codebase.
  • / Assisted with code review and internal tooling improvements.
Laravel DeveloperApr 2021 - Sep 2021 · 6 mos

Face of Art Technologies

Dhaka, Bangladesh
  • / Developed client-facing web applications using Laravel and CodeIgniter.
  • / Built REST APIs and worked with MySQL database design.
  • / Collaborated with senior developers and delivered features on schedule.

#certificates

Creative IT Institute2025

Lead with Excel

Leadership and team management certification covering communication, delegation, performance tracking, and leading high-performing technical teams.

Creative IT Institute2023

Certified Ethical Hacking

Professional certification covering penetration testing, vulnerability assessment, network security, and ethical hacking methodologies.

Creative IT Institute2023

Web Development with PHP Laravel

Certification in full-stack web development using PHP and Laravel — covering MVC architecture, REST APIs, database design, and deployment.

Creative IT Institute2022

Scholarship on ReactJS

Scholarship-based certification in React.js covering component architecture, state management, hooks, and building modern single-page applications.

Creative IT Institute2021

Web Design with HTML & CSS

Foundation certification in web design covering HTML5 semantics, CSS3 styling, responsive layouts, and cross-browser compatibility.

Daffodil Institute of IT2024

Bachelor of Science — Computer Science & Engineering

Undergraduate degree in Computer Science and Engineering covering software development, algorithms, database systems, and software architecture.