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mk4mohamed

Mohamed Khaled

@mk4mohamed

Full Stack Web Developer

Egypt
Arabic, English
About me
I am a Web Developer and Cybersecurity Specialist focused on building secure, scalable, and modern web applications. My expertise spans backend development, web security, encryption, secure authentication, and Linux server management. What I offer: • Secure Full-Stack Web Development • Web Hardening & Security Assessments • Data Encryption & Secure API Integration • Linux Server & System Administration I focus on writing clean, optimized code that keeps your business data protected against modern threats. Let's build a safe, reliable web solution for your project!... Read more

Skills

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mk4mohamed
Mohamed Khaled
Offline • 

See my services

Custom Websites
I will build a responsive python flask web application
From$80 / projectMore details

Portfolio

Work experience

Freelance_Web Designer

Freelance Web & Security Developer

Freelance Web Designer • Self-employed

Jan 2025 - Present • 1 yr 7 mos

As a dedicated Freelance Web Developer and Cybersecurity Specialist, I design, build, and maintain high-performance web applications engineered with security at their core. I specialize in combining robust backend architecture with proactive defense mechanisms to ensure seamless functionality and enterprise-grade protection. Core Responsibilities & Technical Achievements: • Secure Full-Stack Web Development: Architected and deployed scalable web applications using Python and Flask, focusing on clean code, modular design, and efficient database integration. • Web Security & Application Hardening: Implemented proactive defenses against OWASP Top 10 vulnerabilities (including SQL Injection, XSS, CSRF, and broken authentication), conducting thorough security assessments to safeguard client assets. • Cryptography & Data Encryption: Integrated advanced encryption standards (AES, RSA) and secure hashing protocols (bcrypt) for user authentication, API token management, and sensitive data protection. • Linux System Administration & Server Hardening: Configured, managed, and hardened Linux server environments, setting up firewall rules, SSH access controls, and secure web server configurations to prevent unauthorized access. • API Security & Integration: Developed and secured RESTful APIs with JWT authentication, rate limiting, and encrypted payloads to guarantee safe communication between client and server systems. Dedicated to delivering secure, fast, and reliable digital products that empower businesses while keeping their critical infrastructure safe from modern cybersecurity threats.