AVAILABLE FOR WORK

Hi, I'm

Md Mostafijur Rahman

Full Stack Developer

Full Stack Software Engineer with 7+ years of experience building scalable, secure web applications with Laravel, PHP, React, Next.js, and AWS for SaaS, CRM, telecom, and e-commerce companies. Specialized in cloud telephony (FreeSWITCH, SMPP, WebRTC): increased concurrent call capacity by 40% and cut report queries to under 500 ms. Author of open-source Laravel packages with 10K+ downloads on Packagist. Led a team of 4 engineers and shipped production systems for clients in the UAE, USA, India, Saudi Arabia, and Bangladesh.

Download ResumeGitHubLinkedIn

Tech Stack

PHPLaravelJavaScriptTypeScriptNode.jsReactNext.jsVue.jsPythonFastAPILivewireFilamentInertia.jsTailwind CSSREST APIsGraphQLMySQLPostgreSQLRedisAWSDockerWebRTCFreeSWITCHSMPPGitDevOpsAI Integration

Work Experience

My professional journey and career milestones.

years
7+
companies
5
countries
4
  1. Jan 2026 – Jul 20267 mosDubai, United Arab Emirates

    Full Stack Software Engineer

    Pareza Information Technology Consultants L.L.C

    • Architected Dazway Cloud Drive, a Nextcloud-based file storage and sharing app serving 100+ users, delivering the PHP backend APIs, web frontend, and storage integration.
    • Delivered the Pareza School Management App, used by 10+ schools for student, staff, and academic administration.
    • PHP
    • Nextcloud
    • JavaScript
  2. Jan 2025 – Sep 20259 mosBangalore, India

    Full Stack Software Engineer

    CleverStack Innovations Private Limited

    • Scaled the CleverStack cloud telephony platform to handle 40% more concurrent calls through FreeSWITCH tuning, async call-event processing, connection pooling, and horizontal scaling on AWS.
    • Rebuilt call log report queries with query optimization and indexing, bringing load times under 500 ms.
    • Led and mentored a 4-engineer team, enforcing scalable architecture, code review, and security best practices.
    • Python
    • FastAPI
    • React
    • AWS
    • FreeSWITCH
    • WebRTC
    • PostgreSQL
  3. Sep 2023 – Present3 yrs 2 mosJeddah, Saudi Arabia (Remote)

    Laravel Backend Engineer

    CurrentPart-time

    Orient Provision & Trading

    • Optimized MySQL sales database queries, improving application performance by 30%.
    • Engineered the OPTCL Merchandise and Sales Management applications with Laravel and Backpack, covering order management and inventory tracking.
    • Digitized stock-taking across 10+ warehouses and stores with a Physical Inventory Count System built in Laravel.
    • Streamlined check-in for 50+ daily visitors with a Visitor Management System built on Laravel Filament.
    • PHP
    • Laravel
    • Backpack
    • Filament
    • Vue.js
    • MySQL
  4. Jan 2022 – Dec 20243 yrsBangalore, India

    Senior Software Engineer

    Technodreams Advanced System

    • Integrated the WhatsApp Business API with the CRM, increasing customer engagement by 35%.
    • Cut Laravel API response times by 40% with Redis caching, N+1 query fixes, database indexing, and queued jobs.
    • Engineered a browser-based CRM dialer widget with React and WebRTC, so agents call customers directly from the browser.
    • PHP
    • Laravel
    • React
    • WebRTC
    • WhatsApp Business API
    • MySQL
    • Redis
  5. Jul 2019 – Dec 20212 yrs 6 mosDhaka, Bangladesh

    Software Engineer

    MicroXen Technology

    • Designed and delivered Pharmacy Management, Point of Sale (POS), and Diagnostic Center Management systems with Laravel and MySQL, adopted by 5+ client businesses.
    • Launched the emart.com.bd e-commerce platform.
    • Created the MicroXen Email Responder and Aladin, a web-based Android emulator.
    • PHP
    • Laravel
    • JavaScript
    • MySQL

Education

B.Sc. in Computer Science

Bangladesh University

Jun 2017 - Dec 2021Dhaka, Bangladesh

Diploma in Computer Technology

Kushtia Polytechnic Institute

Feb 2010 - Dec 2014Kushtia, Bangladesh

Languages

  • EnglishFluent
  • BengaliNative
  • HindiFluent

Featured Projects

View all 14

Laravel WhatsApp

Open-source Laravel package for WhatsApp messaging: Meta Cloud API and whatsapp-web.js behind one facade, with a Livewire admin UI.

LaravelPHPLivewireFlux UINode.jsWebSockets

Laravel Backfill

Open-source Laravel package for safe, resumable data backfills over large tables: keyset paginated, crash-proof, and testable.

LaravelPHPLivewireMySQLPostgreSQL

AlQuranly - Read and Listen to Quran Online

Modern web app for reading and listening to the Holy Quran online, with meanings, Tafsir, and English and Bengali support. Built with Next.js.

Next.jsTypeScriptTailwind CSS

Resume Canvas - Open Source Resume Builder

Free, open-source resume builder with live preview, multiple templates, ATS score, and PDF, Word, and plain-text export. No sign-up required.

Next.jsTypeScriptTailwind CSS

CleverStack Dialer SDK

Embeddable React softphone SDK that lets web apps make and receive calls in the browser over WebRTC and SIP.

ReactTypeScriptWebRTCSIP

CleverStack Cloud Telephony

Scalable cloud telephony and contact center platform for voice, SMS, and WhatsApp, with auto dialer, IVR flows, and call analytics.

PythonFastAPIReactAWSFreeSWITCH

What People Say

Feedback from colleagues and clients I've worked with

“An excellent freelancer with a wealth of knowledge. He was very prompt in his responses and delivery schedule. I would highly recommend him for any web development project. I will definitely be working with him again in the future. Thank you for your hard work and dedication!”

Sujayeendra G

Sujayeendra G

CEO, CleverStack Innovations

CleverStack Innovations

Get In Touch

Have a project in mind? Let's discuss how we can work together

Let's Build Something Amazing Together

I'm always excited to collaborate on innovative ideas and help bring your vision to life

Email Me

mostofa122@gmail.com

Connect on LinkedIn

@mostofa-me

Or find me on:

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