Backend-Focused Full-Stack Software Engineer (Laravel)

Backend-focused Laravel engineer with 3+ years of experience building
production banking, payment, and remittance systems used by thousands of users.

📍 Dhaka, Bangladesh
📧 Email: [email protected]
🔗 LinkedIn: https://www.linkedin.com/in/md-mahidul-haque
🌐 Portfolio: https://mahidul5130.github.io
🧑‍💻 GitHub: https://github.com/mahidul5130

Backend-focused Full-Stack Software Engineer with 3+ years of professional experience, specialising in Laravel backend development, RESTful APIs, and banking & payment system integrations. Strong experience working with Vue.js by converting static UI designs into functional, production-ready frontend applications.

Experienced in building secure, scalable, real-world systems used by thousands of users, including bank remittance platforms, mobile financial services (MFS), and healthcare-related applications. Open to backend-focused full-stack or Laravel roles where system design, performance, and reliability are critical.

Currently working with: Laravel, Vue.js, Redis queues, FPX payments, XML/SOAP banking APIs.

• PHP, Laravel
• RESTful API Design
• Authentication (Sanctum, Passport)
• XML / SOAP API Integration
• Policy-based Authorization
• Validation Layers & Middleware

• Vue.js, Vue Router, Vuex
• JavaScript, TypeScript
• Blade Templates
• Capacitor (Hybrid Mobile Apps)

• MySQL (Query Optimization, Indexing)
• Redis (Cache, Queues)
• Docker
• Git & GitHub
• Composer, npm
• Postman

• Clean Architecture
• MVC, Service Classes
• Repository Pattern
• Laravel Queues, Workers, Scheduler
• Logging & API Documentation
• PHPUnit & API Testing

• Firebase Cloud Messaging (FCM)
• MQTT, Event Listeners
• Push Notifications
• FPX Payment Gateway
• QR Payments (EMV – static & dynamic)
• PDF Generation

Systems Solutions & Development Technologies (SSD-TECH) / Dotlines
📍 Gulshan-1, Dhaka
🗓 June 2023 – Present

• Developed and maintained 3+ full Laravel–Vue production applications, handling backend logic, API design, queues, schedulers, and third-party integrations.
• Optimized and enhanced 5+ existing systems through bug fixing, performance tuning, and new module integrations.
• Delivered secure, scalable Laravel APIs using middleware, policy-based authorization, and structured request validation.
• Implemented real-time updates using Firebase, MQTT, and event listeners.
• Collaborated closely with frontend teams by converting static UI designs into Vue.js components.
• Improved system reliability, maintainability, and performance across multiple enterprise applications.

BRAC Bank Limited
📍 Tejgaon Industrial Area, Dhaka
🗓 February 2023 – May 2023

• Automated internal banking workflows using Python, Selenium, and PyAutoGUI, reducing manual processing time by ~70%.
• Built a computer-vision tool to extract passport/ID photos from scanned PDF/TIFF documents, improving processing speed by ~50%.
• Supported the team with debugging, testing, and automation of repetitive operational tasks.

Laravel REST API + Vue.js | Banking & Remittance System
🗓 May 2024 – Present
📱 Live App: https://play.google.com/store/apps/details?id=com.agranibank.app.malaysia

Key Contributions

• Developed scalable Laravel REST APIs for remitter registration, beneficiary management, and transaction workflows, supporting tens of thousands of users.
• Integrated Agrani Bank’s XML/SOAP APIs for core banking data synchronization and automated updates.
• Implemented FPX payment gateway for secure online transactions.
• Built a multilingual Vue.js frontend by converting static UI designs into reusable, responsive components.
• Implemented OTP verification, device binding, push notifications, and cross-device session synchronization using Firebase and MQTT.
• Designed a modular backend architecture using service classes, repository pattern, and validation layers, reducing code duplication and improving maintainability.

🔒 Source code maintained under organization repositories (private).

Laravel API | Wallet & QR Payments
🗓 July 2025 – Present
📱 Live App: https://play.google.com/store/apps/details?id=app.laopay

Key Contributions

• Fixed core transaction logic and balance calculation issues, improving accuracy by ~30%.
• Resolved long-standing registration and onboarding problems affecting 50k+ active users.
• Implemented QR payment processing (EMV static & variable-amount QR, CRC validation, receipt generation).
• Strengthened OAuth-based authentication with encrypted API communication.
• Automated onboarding and notification workflows using Redis queues, Firebase push notifications, and MQTT.
• Reduced failed transactions and OTP/login issues significantly.

🔒 Source code maintained under organization repositories (private).

Laravel REST API + Vue.js + Capacitor
🗓 June 2023 – Present
🌐 Live System: http://45.249.101.49:8093

Key Contributions

• Built a full-stack blood donation platform supporting donor registration, live search, and multilingual UI for 1,000+ users.
• Developed a geolocation-aware donor search with real-time filtering and optimized API response times.
• Integrated Firebase push notifications and queued SMS/email alerts.
• Improved donor engagement and reduced response time by ~30%.

BRAC University, Dhaka
🎓 CGPA: 3.67 / 4.00
🗓 2022

Mirpur Cantonment Public School & College
🎓 GPA: 4.83 / 5.00
🗓 2018

Motijheel Ideal School & College
🎓 GPA: 5.00 / 5.00
🗓 2016

• 📧 Email: [email protected]
• 🔗 LinkedIn: https://www.linkedin.com/in/md-mahidul-haque
• 🌐 Portfolio: https://mahidul5130.github.io
• 🧑‍💻 GitHub: https://github.com/mahidul5130

• All production systems are maintained under private organization repositories due to NDA and company policy.
• I’m happy to explain architecture, database design, and business logic in technical interviews.