I’m Kerollos Ashraf, a Senior Software Engineer with 8+ years of experience building scalable web applications, SaaS platforms, enterprise systems, browser extensions, and custom business solutions.
I help startups, SMEs, and enterprises transform ideas into reliable, secure, and high-performance products by combining strong technical expertise with a business-oriented approach.
Why Work With Me?
✅ Clear Communication & Reliable Support
I maintain transparent communication throughout the entire project lifecycle. Whether it’s a new feature, system enhancement, or ongoing maintenance, I’m available to discuss requirements, provide updates, and ensure smooth project execution.
✅ Quality-Driven Development
Every task follows a structured development process:
• Requirements Analysis & Planning
• Technical Investigation & Solution Design
• Development & Implementation
• Code Review
• Quality Assurance Testing
• Performance Optimization
• Deployment & Post-Launch Support
✅ Secure & Scalable Solutions
I build systems with maintainability, security, performance, and future scalability in mind, following modern development standards and best practices.
Technical Expertise
🔹 Back-End Development
• Node.js
• NestJS
• Laravel
• Django
• PHP
• WordPress
• REST APIs
• GraphQL
• Microservices Architecture
🔹 Front-End Development
• React.js
• Next.js
• Vue.js
• TypeScript
• JavaScript
• HTML5
• CSS3
• Tailwind CSS
• Responsive Design
🔹 Browser Extensions
• Chrome Extensions
• Firefox Add-ons
• Safari Extensions
• Edge Extensions
🔹 Databases & Infrastructure
• PostgreSQL
• MySQL
• MongoDB
• Redis
• Docker
• CI/CD Pipelines
• Cloud Deployment
Services I Offer
✔ Full-Stack Web Application Development
✔ SaaS Platform Development
✔ Multi-Tenant Application Architecture
✔ ERP & CRM Development
✔ Custom Business Systems
✔ API Development & Integration
✔ Browser Extension Development
✔ System Maintenance & Support
✔ Code Review & Refactoring
✔ Performance Optimization
✔ Database Design & Optimization
✔ Technical Consulting
✔ Website Administration
✔ UI/UX Implementation
Industries Served
• E-Commerce
• Real Estate
• Healthcare
• Logistics
• Education
• FinTech
• Enterprise Solutions
If you’re looking for a developer who can contribute not only code but also architecture, scalability, and long-term product success, I’d be happy to discuss your project.
MySQL
PHP
MongoDB
Laravel
Node.js
Supabase
Firebase
React
Vue.js
Google Chrome Extension
Electron
React Native
ExpressJS
Next.js
NestJS
Mohammed Y.
Shibin al Kawm, Egypt
$15/hr
4.2
12 jobs
I'm Mohammed Younis, a Full-Stack Developer with expertise
in creating professional and engaging web & Desktop applications.
With a strong foundation in HTML, CSS, and JavaScript, I specialize
in leveraging modern frameworks like Angular and TypeScript
to build scalable and dynamic user interfaces. My proficiency
extends to server-side development using Express.js, Node.js, and
MongoDB for seamless data integration. I also have experience
in containerization with Docker, configuring Nginx for optimal
performance, and developing cross-platform desktop applications
using Electron and Tauri. With a passion for clean code and collaboration,
I excel in utilizing Git and GitHub for efficient version control and
teamwork. I take pride in creating responsive and visually appealing
designs that deliver a seamless user experience across devices.
Rust
TypeScript
MongoDB
Git
RESTful API
Docker
NGINX
Front-End Development
MEAN Stack
Angular
Node.js
HTML5
JavaScript
CSS 3
ExpressJS
Anas H.
Cairo, Egypt
$25/hr
5.0
51 jobs
I’m a senior full-stack web developer and designer with over 6 years of experience delivering modern, responsive, and high-performing web and mobile applications. I specialize in helping startups and growing businesses bring their ideas to life—from concept to deployment—with a focus on clean design, scalability, and user experience.
My expertise spans the full development cycle, from designing intuitive UI/UX to building robust backend systems and APIs. I also have hands-on experience with automation, data processing, and scripting using Node.js.
I’ve built everything from high-converting landing pages and websites to complex web apps and cross-platform mobile applications.
🔹 My skill set includes:
💻 Frontend Development: React.js, Next.js, HTML, CSS, JavaScript, Tailwind CSS, and more
🛠️ Backend Development: Node.js, Express, REST APIs
🗄️ Database Management: MongoDB, PostgreSQL, MySQL
📱 Mobile Development: React Native
📡 Automation & Scripting: Puppeteer, Node.js scripts for scraping, automation, and server-side tasks
🧠 UI/UX Design: Wireframing, Prototyping, Responsive Design, Figma
🔄 Version Control: Git, GitHub, GitLab
🚀 Deployment & DevOps: VPS setup, Nginx, CI/CD, Docker basics
I believe in delivering not just code, but business-ready solutions/ Let’s discuss your project and see how we can bring it to life.
JavaScript
TypeScript
Java
Spring Boot
Node.js
React
C++
C#
ASP.NET Core
Full-Stack Development
React Native
Electron
Swing
Web API
Back-End Development
Mina E.
Cairo, Egypt
$20/hr
5.0
1 jobs
Are you building a web app, SaaS platform, or desktop software? I'll take it from zero to a fully working product — clean code, fast delivery, and clear communication throughout.
What I've already built for clients:
— A factory management desktop app (Electron + React + SQLite) with inventory, invoicing, multi-role auth, and financial reporting
— An invoice & accounting desktop system (Electron + React) with PDF export, Hebrew/English support, and offline storage
— A SaaS project management platform (NestJS + Next.js + MongoDB) with Kanban board, JWT auth, and multi-tenant workspaces
My stack:
⚡ Frontend: React, Next.js, TypeScript, Tailwind CSS
🔧 Backend: NestJS, Node.js, Express — modular REST APIs
🖥 Desktop: Electron — packaged Windows apps, shipped to real users
🗄 Database: MongoDB, PostgreSQL, SQLite
I respond fast, keep you updated, and don't disappear mid-project. My clients rate me 5 stars — you can check the reviews.
Send me a message and let's talk about your project.
React
NestJS
Electron
Node.js
TypeScript
JavaScript
ExpressJS
PostgreSQL
MongoDB
Tailwind CSS
Bootstrap
REST API
Full-Stack Development
HTML5
CSS 3
SQL
Next.js
Mo E.
Cairo, Egypt
$50/hr
5.0
36 jobs
💎 Who I Am 💎
Full-stack software developer and data mastermind who's had the privilege of collaborating and helping small to medium businesses build their own solutions and tools by utilizing the best available technologies to craft beautiful, high-performance apps for Web, Desktop, and Mobile.
I'm well versed with the advanced features of the technologies I work with, and over time I've built my own professional toolkit of scripts, libraries and components, which means I put every minute to good use and I can provide hundreds of hours worth of high-quality, battle-tested code for free. Moreover, as a full-stack developer, I'll cover the whole lifecycle of app development as part of working together from getting creative when it comes to features and design, to implementing rock-solid backends and databases, and anything else that might come up.
🤖 AI Tooling & LLM Integration 🤖
I have worked closely with multiple businesses to either build their automation apps from the ground up or integrate with AI tools and LLMs to supercharge their existing apps and bring them to the next level with secure, high-performance and carefully crafted solutions.
💎 What You Get 💎
✅ Clean code that you'll never have to touch or look for someone to fix
✅ A 110% guaranteed solution to your problem, no exceptions
✅ Excellent Communication in English without headaches
✅ Strong work ethic and respect for deadlines
✅ Responsiveness and availability
🔑 Search Terms 🔑
Full stack Developer, Software Engineer, Data Engineer, Python Developer, .Net Developer, C# Developer, Java Developer, Spring Boot, Django, FastAPI, JavaScript, Typescript, Angular, React, Electron, ElectronJS, HTML, CSS, Bootstrap, Tailwind, jQuery, Figma, Webflow, .Net Framework, .Net Core MVC, Razor Pages, Web API, Blazor, .Net MAUI, Google Chrome Extension, Browser Extension, Google API, Amazon API, Prompt Engineering, AI, Artificial intelligence, Agentic AI, ML, Machine Learning, LLM, NumPy, Pandas, ChatGPT, GPT-3, GPT-4, scikit-learn, PyTorch, SciPy, Matplotlib, TensorFlow, API Development, API Integration, Automation, N8N, Zapier, Make, Web Scraping, Data Extraction, Data Mining, Web Crawling, Data Harvesting, Selenium, Puppeteer, BeautifulSoup, Scrapy, Playwright, ScraperAPI, ScrapingBee, Desktop Applications, C++, QT, Unreal Engine, Unity, Docker, DevOps, Azure, Asynchronous Programming, Multiprocessing, Multithreading, SQL, MSSQL, Microsoft SQL Server, MySQL, PostgreSQL, SQLite, MongoDB, Custom Bots, Discord Bot, Telegram Bot, Reddit Bot, Data Visualization, AWS, DigitalOcean, Linode
ChatGPT
Python
C#
C++
JavaScript
Bot Development
Data Scraping
Database Design
CSS 3
HTML5
Machine Learning
Artificial Intelligence
Deep Learning
Unity
Unreal Engine
Ramez E.
Cairo, Egypt
$30/hr
5.0
8 jobs
Hey! I'm a passionate Electron, React and React Native (Expo) developer. I focus on performance, efficiency as well as app responsivity & compatibility. I prioritize clear communication and consistent progress updates to ensure your consistent satisfaction.
Developed a cross-platform Electron app for Ambivio, a medical German AI startup
Developing a cross-platform Electron app for Spellro, mimicing some behavior of Grammarly
Developed Spin the Wheel website for Broaster Chicken Broadway, a restaurant in Australia
Development Areas I specialize in:
Desktop Apps: Electron with React & Tailwind
Mobile Apps: React Native with Expo & Tailwind
Web: MERN Stack & Tailwind or vanilla HTML/CSS
Machine Learning & Computer Vision: TensorFlow, PyTorch & OpenCV for object detection, image classification, and model tuning
If you're looking for a developer who'll be in constant communication & has a passion for creating efficient, optimized and responsive applications, I'd love to collaborate with you.
React Native
JavaScript
TypeScript
Tailwind CSS
Node.js
MongoDB
HTML5
CSS
Python
TensorFlow
OpenCV
Kivy
C++
JavaFX
SFML
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