I build the backend for multi-tenant SaaS products in Node.js and NestJS — data model, APIs, payments, and the background jobs that keep them reliable at scale. Real platforms in production today, not demos.
Where I'm strongest:
Multi-tenant SaaS backends — tenant isolation, RBAC, and the API layer underneath. Loyalty, booking, and marketplace platforms running in production, built on NestJS, PostgreSQL, and Redis.
Payments and integrations — Stripe, Stripe Connect, Paymob, and the webhook infrastructure (HMAC-signed, idempotent) that keeps money and data correct when things fail and retry. I've also built the less common kind of integration: syncing case-management systems into ticketing platforms with token auth, PHI/PII handling, and bidirectional status sync.
Reliability and testing — background jobs (BullMQ, Redis) with retries and dead-letter handling, and I write tests for the logic that can't afford to be wrong, one recent engagement shipped with 290+ passing tests on the core sync logic.
Full-stack when the project needs it — Next.js, React, Tailwind, so I can own a feature end to end when that's the better fit, without it becoming the default pitch.
AI integration, applied carefully — agents, RAG, and automation (n8n, AWS Bedrock, Textract) built as one component inside a system with human approval where the stakes call for it, not an AI layer bolted onto something fragile.
How I work: I own the whole stack when needed, data model, API, frontend, deploy, write code the next developer can read, and give clear, on-time updates. That's what the reviews are about.
Stack: TypeScript, NestJS, Node.js, Laravel, PHP, Next.js, React, PostgreSQL, MySQL, Redis, BullMQ, Prisma, Docker, AWS, GCP. Also Xano and FastAPI for specific project needs.
Tell me what you're building. I'll tell you straight whether I'm the right fit.
PHP
API Integration
NestJS
Next.js
SaaS
TypeScript
Node.js
React
PostgreSQL
REST API
Laravel
Redis
AI Agent Development
Stripe
Docker
AWS Development
n8n
OAuth
Amazon Bedrock
Salem T.
Giza, Egypt
$15/hr
4.7
100 jobs
Thank you for reviewing my profile, I'm glad you stopped by!
I'm a Full Stack Web Developer and here's the skill set I can bring to your project or team:
- bootstrap
- Pug (Jade Language)
- Sass
- Javascript
- TypeScript
- PHP
- Mysql
- GIT
- WordPress
- Laravel
- Vue.js
- Angular
- MongoDB
- Flutter
I can help you create new web-applications from scratch, maintain and fix bugs in existing ones, make responsive templates from .psd.
I Can Build A Full Web Application Using PHP or laravel
I Can Create, Fix, Manipulate and Extend WordPress Themes.
I can Build a RestFulAPI for Your Application.
I Can Build Interactive User Interfaces Using Vue.JS
I Can Make Connection between your Application and APIs.
I have a good searching skills.
I'm familiar with youtube, vimeo API.
I'm Also Working with Flutter Framework to build a cross platform native mobile applications
Feel free to contact me anytime — your question always will be answered.
Thank you for your time!
PHP
API Integration
Custom PHP
Laravel
Odoo
MongoDB
JavaScript
Node.js
React
Vue.js
AJAX
RESTful API
MySQL Programming
Flutter
Hossam E.
Kafr ash Shaykh, Egypt
$5/hr
4.9
7 jobs
I am an experienced software engineer specializing in developing websites using the Laravel framework. With a proven track record of creating robust and scalable web applications, I bring a unique blend of technical skills, creative problem-solving, and a passion for delivering high-quality results.
overview on my skills
I have :
- experience in developing websites
* experience in native PHP
* experience in Laravel
* experience in API Development
* experience in Database Design
* experience in html5 , css3, javascripts ,bootstrap, jQuery and Ajax
* solve all problems and difficulties happened in any platform
I am confident that my skills and experience make me the perfect choice for any web development project, and I look forward to working with you to bring your vision to life
PHP
Back-End Development
Custom PHP
WordPress
JavaScript
CSS 3
HTML5
Front-End Development
Data Entry
Back-End Development Framework
Computer Engineering
WordPress e-Commerce
Laravel
RESTful API
Mohamed A.
Giza, Egypt
$25/hr
4.8
163 jobs
🏆 Top Rated Plus Freelancer
⭐ 100% Job Success Score
⏰ 8,800+ Hours Delivered
💼 15+ Years Experience in Software Engineering
I am a Professional Software Engineer, WordPress Systems Architect, Backend Developer, and Cross-Platform Application Developer with a Bachelor’s degree in Computer Engineering and over 15 years of experience designing and building complex production systems.
I specialize in building and scaling enterprise-grade platforms including WordPress systems, WooCommerce stores, SaaS applications, APIs, mobile applications, AI systems, streaming platforms, and high-traffic infrastructures.
My core expertise is not just development, but system design, architecture, and solving deep production-level problems such as failed migrations, performance bottlenecks, system instability, scalability issues, and complex backend logic challenges.
🧠 Backend & System Engineering
I design and build scalable backend systems using custom PHP architecture, REST APIs, and modular system design approaches. My work includes microservices-style backend logic, business automation systems, and enterprise-level application structures.
I also create full software architecture designs and system diagrams for web applications, APIs, SaaS platforms, and mobile ecosystems.
🧩 WordPress & WooCommerce Engineering
I specialize in advanced WordPress development including custom plugins, WooCommerce customization, performance optimization, and production-level debugging.
I also work with WordPress as a headless CMS, where it is used as a backend content system connected to modern frontend applications via APIs.
🔌 API & Integration Systems
I build REST APIs and integration layers for web and mobile applications, including WooCommerce APIs, Shopify applications, third-party system integrations, and cross-platform data communication systems.
📱 Cross-Platform Mobile & Application Development
I develop backend systems and application architectures for cross-platform mobile applications, including Android, iOS, and hybrid apps.
I have experience building and publishing hybrid mobile applications using frameworks such as Cordova, enabling web-based applications to be deployed as native mobile apps across platforms.
My work includes:
Mobile backend APIs
Real-time communication systems
Data synchronization layers
Scalable app backend architecture
Hybrid mobile app development (Cordova-based applications)
🎬 Media & Streaming Systems
I build media infrastructure systems including:
HLS video streaming platforms
Scalable media delivery systems
Content distribution architecture
High-load streaming backend systems
🤖 AI & Automation Systems
I design and implement AI-powered systems and automation workflows, including:
AI agents for business automation
Intelligent backend workflows
Data processing pipelines
Automated decision systems
Business logic automation systems
🗄️ Data & Storage Systems
I work with advanced data architectures including:
MySQL, MariaDB, SQLite, MongoDB, Oracle
File-system-based data architectures (FHS-style systems)
Custom storage logic systems
High-performance data processing pipelines
Data extraction and aggregation systems
⚙️ Infrastructure & Server Engineering
I handle infrastructure-level engineering including:
Linux & Windows server management
Hosting environments (cPanel, VPS, dedicated servers)
Performance optimization (CPU, memory, DB tuning)
Reverse proxy and CDN setups
🎨 Frontend & UI Engineering
I convert Figma designs into production-ready WordPress themes and frontend systems, ensuring responsive, optimized, and scalable UI implementations.
📊 Data Extraction & Crawling Systems
I build structured data extraction systems, crawling pipelines, and API-based data aggregation systems for business intelligence and automation workflows.
🧱 SaaS & Platform Engineering
I build full SaaS and platform systems including:
Multi-user platforms
Marketplace systems
Subscription systems
High-traffic content platforms
Enterprise dashboards and admin systems
🔥 WHAT I SOLVE BEST
I specialize in solving difficult production problems including:
Broken WordPress / WooCommerce systems
Website full migrations
High CPU / performance issues
Database bottlenecks
API integration failures
Scaling and infrastructure instability
Complex backend debugging
Speed optimization tasks
🧠 CORE TECH STACK
PHP, WordPress, MySQL, MariaDB, MongoDB, SQLite, File-system based architectures, Oracle, REST APIs, Linux, OpenLiteSpeed, cPanel, LiteSpeed Cache, caching systems, security hardening, WooCommerce, cloud infrastructure, mobile APIs, and automation systems.
🎯 WORKING APPROACH
I focus on delivering clean, scalable, and production-ready systems that solve real business problems.
My approach is simple: understand the system deeply, design the correct architecture, identify root causes accurately, and implement long-term stable solutions that improve performance, scalability, and reliability.
PHP
API Integration
PHP Script
Web Application
Data Scraping
jQuery
Page Speed Optimization
API Development
Plugin Development
API
WordPress
AJAX
WooCommerce
SaaS
SQL
Haitham M.
Cairo, Egypt
$30/hr
5.0
51 jobs
I have 6 years experience using PHP, MySQL and JavaScript to build and maintain Web Applications and Websites using Laravel, React and WordPress.
Besides having developed and maintained small to mid projects from scratch, I also have experience in:
- Debugging complex projects.
- Fixing and optimizing outdated code.
- Extending/Continuing existing PHP projects.
- API Development and Integration (REST, SOAP)
- Data Importing (CSV, XML, JSON)
- Converting html templates into dynamic websites using Laravel and WordPress
I have also worked extensively using JavaScript(jQuery) to customize, extend and fix front-end components. Some of the well known JS projects/libraries I worked with are:
- BuddyPress
- Responsive filemanager
- Owl Carousel
- Chart.js
- DataTables
- lightbox.js
- and many others...
I'm looking forward to hearing from you, and excited to begin working on interesting projects.
PHP
Custom PHP
WooCommerce
Laravel
Website Customization
JavaScript
WordPress Plugin
Web Development
WordPress
Vue.js
CSS
MySQL
jQuery
AJAX
HTML
MySQL Programming
Ahmed E.
Alexandria, Egypt
$35/hr
5.0
9 jobs
🚀 Senior Full-Stack Software Engineer | Tech Lead | SaaS & Cloud Architect
I’m a Senior Full-Stack Software Engineer and Tech Lead specializing in scalable SaaS platforms, high-performance backend systems, modern web applications, API development, microservices, cloud infrastructure, and AI-powered products.
I help startups and businesses turn complex ideas into production-ready software, from system architecture and backend development to frontend applications, databases, integrations, cloud deployment, DevOps, and ongoing optimization.
⚡ Backend Engineering
• Go / Golang for high-performance, concurrent backend systems
• PHP / Laravel for robust and scalable web applications and SaaS platforms
• Node.js / NestJS for modular, enterprise-grade APIs and services
• REST API and API development
• WebSockets and real-time applications
• Authentication and authorization
• Microservices and distributed systems
• Background jobs, queues, caching, and event-driven systems
• Third-party API and payment integrations
• AI integrations, AI agents, LLM-powered applications, and automation
🎨 Frontend Engineering
• React.js for modern, component-driven applications
• Next.js for production-grade React applications and SaaS platforms
• Vue.js and Nuxt.js for modern web applications
• TypeScript and modern JavaScript
• Responsive, high-performance user interfaces
• SSR, SSG, API integration, state management, and real-time applications
🗄️ Databases & Data
• PostgreSQL
• MySQL
• MongoDB
• Redis
• Firebase / Firestore
• Database architecture and schema design
• Query optimization, indexing, and performance tuning
• Database migrations and data modeling
☁️ Cloud, DevOps & Infrastructure
• AWS
• Google Cloud Platform (GCP)
• DigitalOcean
• Docker and containerized environments
• Kubernetes
• Linux server administration
• CI/CD and automated deployments
• GitHub Actions and Jenkins
• Production monitoring, logging, troubleshooting, and performance optimization
🏗️ Architecture & Engineering
• SaaS architecture
• Multi-tenant applications
• Microservices architecture
• Scalable REST APIs
• Real-time systems
• Distributed systems
• System design and technical architecture
• Performance optimization and scalability
• Security best practices
• Clean, maintainable, and testable code
• Legacy codebase modernization
💳 Integrations & Platforms
• Payment gateways and billing systems
• Apple Pay integrations
• WhatsApp Business API
• Meta / Facebook / Instagram integrations
• Twilio
• SendGrid
• Stripe
• Cloud storage and CDN integrations
• Third-party API integrations and webhooks
🤖 AI & Automation
• AI-powered SaaS applications
• AI customer service agents
• LLM integrations
• Knowledge bases and RAG-style systems
• AI automation workflows
• AI-powered chat and support systems
• Intelligent business process automation
🔧 End-to-End Software Development
I’m comfortable working across the entire software lifecycle:
System Architecture → Backend → Frontend → Database → APIs & Integrations → Cloud Infrastructure → Deployment → Monitoring → Optimization
Whether you need a Senior Full-Stack Developer, Backend Engineer, Go / Golang Developer, Laravel / PHP Developer, Node.js / NestJS Developer, React / Next.js Developer, SaaS Engineer, or Tech Lead, I can take ownership of the technical side and deliver production-ready solutions.
⭐ What you can expect from me
• Strong technical ownership and decision-making
• Clean and maintainable architecture
• Performance-focused engineering
• Production-ready code
• Clear and reliable communication
• Ability to work with existing codebases or build from scratch
• Experience with startups, SaaS products, and production systems
• Ability to work across development, architecture, cloud, and DevOps
If you're building a SaaS product, AI-powered application, scalable backend, enterprise web platform, real-time system, or complex API ecosystem, I can help you take it from architecture to production.
PHP
Full-Stack Development
Golang
Laravel
React
Next.js
Node.js
NestJS
TypeScript
JavaScript
RESTful API
API Development
Microservice
SaaS
PostgreSQL
MongoDB
Docker
Kubernetes
Amazon Web Services
DevOps
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