Jaber Ahmed, also known online as Jack Sargey, is a passionate MERN Stack Developer, Ethical Hacker, and Content Creator from Bangladesh with a deep curiosity for technology and digital innovation. He enjoys building modern, responsive web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js) along with tools and frameworks like Tailwind CSS, Firebase, JWT, and Git. His development approach combines clean design, scalability, and a strong focus on user experience.
Beyond development, Jaber has a strong interest in cybersecurity and ethical hacking, with hands-on experience in vulnerability testing techniques such as SQL injection (SQLi), Cross-Site Scripting (XSS), CSRF, and Local File Inclusion (LFI). He actively uses security tools, including Burp Suite, Nmap, Nessus, FFUF, Nuclei, WPScan, Dirsearch, and Linux, and also practices OSINT (Open Source Intelligence) to enhance his investigative and analytical capabilities.
Under his creative alias Jack Sargey, he shares valuable insights, resources, and tutorials about web development, cybersecurity, and studying abroad, aiming to make learning easier and more accessible for others. His content reflects his belief that knowledge grows when shared, and he strives to inspire people to pursue both technical skills and personal growth.
Currently studying at the University of Messina in Italy. His professional goal is to become a proficient Software Engineer while contributing to the field of web security, combining his passion for technology with his love for exploration and ambition.
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