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sajusun/README.md
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Senior-Level Backend Software Engineer & Full-Stack Specialist focused on building robust, high-throughput systems with PHP (Laravel 11/12), Modern JavaScript/TypeScript, Real-Time WebSockets, and Cloud Infrastructure.

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👨‍💻 Engineering Profile & Overview

  • 💼 Currently working as a Laravel / Backend Developer at Softvence Agency.
  • ⚙️ Core Focus: Enterprise Backend Architecture, Scalable RESTful APIs, and Asynchronous Microservices.
  • ⚡ Performance & Data: Database query profiling, multi-column indexing in MySQL/PostgreSQL, and Redis caching layers.
  • 🔄 Real-Time Systems: WebSockets, bidirectional event streaming with Laravel Reverb & Echo, and queue workers.
  • ☁️ DevOps & Cloud: Continuous deployment, Nginx reverse proxy tuning, and AWS cloud management (EC2, S3, RDS).
  • 💡 Philosophy: Writing clean, testable, and self-documenting code adhering to SOLID principles and DRY/KISS standards.

🏛️ Backend Architecture & Engineering Philosophy

  [ Client Applications (Web / Mobile) ]
                    │  (HTTPS / WSS)
                    ▼
          [ Nginx Reverse Proxy ]
                    │
          [ Laravel 12 API Gateway ] ────── [ Redis Caching & Queues ]
                    │                                   │
        ┌───────────┴───────────┐                       ▼
        ▼                       ▼              [ Background Workers ]
  [ Domain Microservices ] [ Reverb WebSockets ]        │
        │                       │                       ▼
        ▼                       ▼              [ Third-Party APIs ]
  [ Optimized MySQL DB ] [ Real-Time Clients ] (Stripe, Webhooks, FCM)
  1. Domain-Driven & Clean Design: Decoupled business logic using Services, Action classes, and Repositories for long-term maintainability.
  2. Database Performance First: Eliminating N+1 queries, optimizing relational schemas, and keeping API response times consistently under 80ms.
  3. Resilient Integrations: Idempotent payment processing pipelines (Stripe, SSLCommerz, bKash) and fault-tolerant webhook listeners with exponential retry backoff.
  4. Zero-Downtime Reliability: Managing database migrations safely, managing background queues, and implementing robust error logging.

🛠️ Technical Stack & Toolset

⚙️ Backend & Frameworks
💻 Frontend & UI
⚡ Real-Time & Caching
🗄️ Databases & Security
☁️ Cloud, DevOps & Mobile

📊 GitHub Activity & Streak

🤝 Let's Connect & Collaborate

I am open to discussing high-scale backend engineering opportunities, system architecture consulting, and tech discussions:

⚡ Designed & Maintained with precision by Sakhawat Hossain

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  1. code-studio code-studio Public

    An enterprise-grade, high-performance Laravel 12 Admin & Software Showcase Platform built with a dynamic 5-Theme Engine, Laravel Reverb WebSockets for zero-latency push notifications, a Polymorphic…

    PHP 1

  2. hotel_management_system hotel_management_system Public

    A robust and modular Hotel Management System built with Laravel 13 and PHP 8.3. This project exposes a complete RESTful API to manage the core operations of a hotel, including room inventory, guest…

    PHP

  3. OmniCore OmniCore Public

    OmniCore is a production-grade, enterprise backend and application ecosystem built on Laravel 12 and PHP 8.4 utilizing a Modular Monolith Architecture. Developed by Sakhawat Hossain as (@sajusun)

    JavaScript 1

  4. code-studio-nextjs code-studio-nextjs Public

    CodeStudio PRO is engineered for high-performance software showcasing, live product demos, and client lead acquisition. Designed with an ultra-modern cyber-glassmorphism aesthetic, it bridges the g…

    TypeScript 1