Available for Senior Backend & Full-Stack Opportunities

Architecting High-Scale Backend Systems & Cloud Infrastructure.

Hi, I'm Sakhawat Hossain. Backend Software Engineer specializing in PHP 8+, Laravel 10/11/12, AWS Cloud, and modular service-based architectures. Experienced in engineering international production web applications, real-time WebSocket pipelines, and query-optimized database engines.

30%+

Query & Backend Latency Optimization

AWS

EC2, RDS, S3, ALB, SES & OIDC Deployment

Enterprise

Multi-Vendor, Real-Time & D2C Systems

Explore Production Projects Download ATS CV Let's Talk

github.com/sajusun in/sajusun | Dhaka, Bangladesh

engineer@sakhawat:~$

const engineer = {

name: 'Sakhawat Hossain',

role: 'Backend Software Engineer',

company: 'Softvence IT Ltd',

coreStack: ['PHP 8+', 'Laravel 11', 'AWS', 'MySQL'],

realTime: ['WebSockets', 'Laravel Reverb', 'Redis'],

architecture: ['Modular', 'SOLID', 'Service-Pattern', 'REST'],

databaseOptimization: 'Indexing & Complex SQL Tuning',

openToOpportunities: true

};

Production Ready OIDC / AWS Certified Workflows

Technical Proficiency

Structured & Categorized Tech Stack

Tools and technologies I use to build secure, fault-tolerant, and performant digital products.

Backend & Architecture

Clean, Modular & Maintainable Code

PHP 8+ (OOP) Laravel (v10/v11/v12) Service-Based Architecture Modular Architecture RESTful API Design & Versioning SOLID Principles Design Patterns Eloquent ORM

Cloud, DevOps & Infra

Scalable & Resilient Deployment

AWS EC2 AWS Aurora RDS AWS S3 App Load Balancer (ALB) AWS SES & SSM OIDC Nginx & Linux CLI Docker CI/CD & Git/GitHub

Real-Time & Caching

High-Throughput Concurrency

WebSockets Laravel Reverb Laravel Echo Pusher Redis Caching Event Broadcasting Queue Workers

Databases & Optimization

Relational & Query Tuning

MySQL PostgreSQL SQLite Database Normalization Indexing Strategies Complex Query Optimization

Security & Payments

Transactional Integrity

Laravel Sanctum JWT & OAuth2 RBAC Multi-Guard Stripe & Webhooks SSLCommerz bKash Integration

Frontend & UI

Modern Full-Stack Capabilities

JavaScript (ES6+) TypeScript Next.js 15 React.js Vue.js Tailwind CSS Blade Engine HTML5 / CSS3

Portfolio Showcase

Featured Live & Production Projects

Real-world applications engineered for international clients and high user throughput.

View All Projects & Architecture Breakdowns

Production Live Hotel Management & Booking SaaS

MyBergo — Multi-Vendor Property Booking Platform

Architected an enterprise multi-tenant booking ecosystem operating across 3 dedicated portals (Guest Booking Engine mybergo.com, alongside separate dedicated Property Host Operations and Central Super Admin governance panels) on AWS EC2 & ALB with Amazon Aurora RDS (MySQL cluster). Features zero-secret GitHub Actions SSM OIDC CI/CD, direct S3 presigned uploads, and dynamic Intervention Image v4 compression.

AWS EC2 + ALB + Amazon Aurora RDS & GitHub Actions SSM OIDC CI/CD

S3 presigned direct uploads, Intervention Image v4 compression & Reverb sockets

Laravel 12 PHP 8.4 Amazon Aurora RDS AWS S3 Presigned AWS SSM OIDC Laravel Reverb Amazon SES Stripe Cashier

Visit Live: mybergo.com Architecture Case Study →

Enterprise Open Source Modular Monolith • PHP 8.4

OmniCore — Modular Monolith & Concurrency-Safe E-Commerce Engine

Engineered a production-grade enterprise backend ecosystem built on Laravel 12 & PHP 8.4 utilizing Domain-Driven Design (DDD). Features atomic checkout with row-level pessimistic locking (lockForUpdate()) preventing race conditions, Cartesian product variant generator, multi-gateway payment strategy (Stripe, PayPal, bKash, SSLCommerz), real-time Reverb WebSockets, WebRTC calling, and Scribe OpenAPI 3.0 interactive documentation.

Atomic checkout & stock locking (lockForUpdate()) + State Machine

Reverb WebSockets, WebRTC calling & Scribe OpenAPI 3.0 docs

Laravel 12 PHP 8.4 Modular Monolith PHPStan L5 (0 Errors) Laravel Reverb WebRTC Payment Strategy OpenAPI / Scribe

GitHub: sajusun/OmniCore Architecture Case Study →

USA Production Live Scraping & Real Estate SaaS

Auction Retriever — Property Auction Scraping Engine

Architected the automated multi-source scraping engine and GraphQL backend aggregating thousands of real estate and land auction deals across the US. Features DomCrawler queue pipelines, Lighthouse GraphQL search, Stripe Cashier subscriptions, and weekly investor digests.

Automated scraping pipelines (DomCrawler, Guzzle & error-isolated queues)

Schema-first GraphQL API, Stripe Cashier 7-day trials & Reverb sockets

Laravel 11 DomCrawler GraphQL Stripe Cashier Reverb AWS S3 Laravel Modules

Visit Live: auctionretriever.com Architecture Case Study →

Mobile App • Private Staging Automotive Community & Parts

CruzeHub — Automotive Marketplace & Admin Suite

Engineered the enterprise backend APIs, administration dashboard, and real-time community engine for an Australian automotive enthusiast mobile app (in private client staging). Features vehicle compatibility matching algorithms (connecting specific car models with compatible aftermarket parts) and real-time live socket chat.

Complex vehicle parts compatibility relational database schema

Real-time WebSocket notifications & event broadcast pipelines

Laravel RESTful API Laravel Echo WebSockets MySQL RBAC Admin

Mobile App (Private Staging) Architecture Case Study →

USA Live Web Events & Listings Platform

EHListings — Local Events, City Guide & Community Directory

Engineered the complete scalable Laravel backend for a live US local city listings & events hub. Built with GraphQL APIs (Lighthouse), real-time WebSockets (Laravel Reverb), automated Stripe payments, Twilio SMS verification, and Firebase Cloud Messaging (FCM).

High-speed GraphQL API & Livewire dynamic interactive feeds

AWS S3 media pipeline, Redis caching & automated PDF invoicing

Laravel 11 GraphQL Reverb / WebSockets Stripe Firebase AWS S3

Visit Live: ehlistings.com Architecture Case Study →

Google Play Store Mobile API & Merchant Suite

OscarU (Motive) — Lifestyle & Events Discovery Mobile Engine

Architected the complete high-throughput RESTful API backend and Super Admin CMS powering the official OscarU mobile application on Google Play Store. Features merchant analytics portals, event ticket bookings, personalized user discovery feeds, and Firebase push notifications.

JWT Multi-Guard Auth (Users, Merchants & Admins) + Apple Login

RevenueCat In-App Purchase Webhooks & Merchant Revenue Dashboards

Laravel 11 Mobile REST API JWT Auth Firebase FCM RevenueCat MySQL

Play Store: OscarU Motive Architecture Case Study →

Apple App Store Live iOS Music & Memory App

Fest-Quest — Music Festival Memory Book & Super Admin Suite

Engineered the complete scalable Laravel 11 RESTful API backend and Super Admin dashboard for Fest-Quest on the Apple App Store. Features festival performance rating engines, media vaults, real-time socket chat, Apple Sign-in with JWT auth, and Firebase FCM push notifications.

Full Super Admin Dashboard & Operations (Livewire, DataTables & RBAC)

High-resolution photo/video albums, Intervention Image & AWS S3

Laravel 11 Apple Store Mobile API JWT Multi-Guard Firebase FCM MySQL

App Store: Fest-Quest Architecture Case Study →

Production Live Next.js & Laravel E-Commerce

Caragon — Modern Apparel & Fashion Platform

Engineered the complete headless Laravel 11 RESTful API backend and integrated Next.js e-commerce storefront. Features dynamic nested product variants, seasonal drops, multi-location courier & tax calculation engine, and Stripe Checkout sessions.

Multi-attribute variant schema (Size, Color, Season Revival Drops)

Location-aware shipping fees, dynamic taxes & Stripe webhook handlers

Next.js 15 Laravel 11 Stripe Checkout JWT Auth MySQL Headless CMS

Visit Live: caragoan.vercel.app Architecture Case Study →

Live D2C Platform Next.js 15 & Laravel

Organ Sciences — D2C Supplement Subscription Portal

Developed a high-converting recurring subscription e-commerce portal with Next.js & Laravel. Implemented automated recurring billing cycles, subscriber customer self-service portals, and robust Stripe subscription webhook listeners with automated retries.

Stripe webhook idempotency & automated dunning/retry logic

Seamless Next.js 15 SSR frontend + Headless Laravel API backend

Next.js 15 Laravel Stripe API Webhooks TypeScript

Visit Live: organ-sciences.vercel.app Architecture Case Study →

Production Live Next.js 16 • Headless API

CodeStudio Pro — Agency Platform & Real-Time Workspace

Full-stack software agency hub and client tracking workspace. Engineered with Next.js 16 (App Router, Server Components & ISR), React 19, TypeScript, and Tailwind CSS v4, connected to a high-speed headless Laravel microservice backend with Laravel Reverb WebSockets for instant notification toasts, dynamic 5-palette theme switching, and interactive quote estimation.

Next.js 16 ISR + dynamic product sandboxes & interactive quote estimator

Laravel Reverb WebSocket broadcasts & 5-palette CSS variable theme engine

Next.js 16 React 19 TypeScript Tailwind CSS v4 Laravel Reverb Microservices

Visit Live: code-studio-pro.vercel.app Case Study →

Career Journey

Work Experience

Laravel / Backend Developer

Softvence IT Ltd | Mohakhali, Dhaka, BD

Dec 2025 - Present

Design and develop scalable Laravel backend systems using modular, service-based architecture, robust RESTful APIs, and reusable business logic.
Develop production-ready web applications, administrative dashboards, CRM workflows, and multi-vendor business modules for international clients.
Design and optimize database schemas, relationships, indexes, and complex Eloquent/SQL queries, improving backend processing performance by 30%.
Integrate third-party services, payment gateways, and webhook-based workflows with reliable error handling and retry mechanisms.
Deploy and maintain production applications on AWS infrastructure, working with EC2, S3, Aurora RDS, SES, SSM, OIDC, and Application Load Balancer.

Jr. Technical Assistant / Software Operations

Edison Industries Ltd | Savar, Dhaka, BD

Jan 2024 - Nov 2025

Provided technical troubleshooting and hardware-software system integration for production and engineering lines.
Developed automated diagnostic scripts and data logging routines to streamline equipment testing workflows.
Collaborated with cross-functional engineering teams to diagnose system bottlenecks and improve operational turnaround time by 20%.

App Developer (Intern / Trainee)

Kodeeo Ltd | Uttara, Dhaka, BD

Sept 2023 - Nov 2023

Designed and documented modular RESTful APIs consumed by mobile (Flutter) and web client applications.
Engineered real-time notification pipelines and socket broadcasting using Laravel Reverb and Echo.
Developed role-based multi-guard authentication modules using Laravel Sanctum.

Education & Credentials

Diploma in Computer Science & Technology

Dinajpur Institute of Science & Technology

2019 - 2023

Higher Secondary Certificate (HSC) - Science

Kader Box Memorial College

2017 - 2019

Looking for a Senior-Level Backend Engineer?

Whether you need robust Laravel API architecture, AWS cloud deployment, database performance tuning, or real-time WebSocket pipelines, I'm ready to bring immediate value to your team.

Get in Touch View & Download Resume