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ManuelDenis/README.md

Hi, I'm Popescu Manuel Denis! 👋

I am a Software Development Engineer specializing in web development with a strong focus on building robust backend systems and interactive frontends. My core expertise includes Python, Django, Django REST Framework, PostgreSQL and React.js, along with React-Bootstrap for creating responsive and user-friendly interfaces. I am experienced in developing full-stack applications that are scalable, maintainable, and aligned with modern web standards. Passionate about delivering efficient solutions, I continuously aim to enhance user experience through well-structured, reliable, and performant code.

🚀 About Me

I am currently developing a highly secure authentication system for a banking application, leveraging modern web technologies such as Django, Django REST Framework, Next.js, and PostgreSQL.

The system includes: JWT-based authentication via HttpOnly and Secure cookies CSRF protection across both browser and API layers Custom rate limiting and IP-based throttling to prevent brute-force attacks Google OAuth2 integration for seamless and secure third-party login 2FA (Two-Factor Authentication) using Google Authenticator (TOTP) for critical actions and login Login lockout mechanism after multiple failed attempts (with exponential backoff) Granular access control using role-based permissions and API scopes Strict cookie policies (HttpOnly, Secure, SameSite) Comprehensive security headers, including Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, Referrer-Policy, etc. XSS and clickjacking protection via frontend sanitization and backend validation Device/session management, with refresh token rotation and invalidation Audit logging and traceability for login attempts and permission changes The architecture is designed to meet financial-grade security standards, with a focus on resilience, data integrity, and attack surface minimization.

🌱 Currently Exploring

  • 🚀 Expanding My Full Stack Web Development Skills
    • Next.js & React: Learning server-side rendering and static site generation for optimized, high-performance applications
    • Redux: Deepening my understanding of state management to build dynamic, interactive front-end experiences.
    • Tailwind CSS: Crafting modern, responsive, and visually appealing user interfaces with a utility-first approach.

🏆 Achievements

  • 🌟 Completed Hacktoberfest 2023 - Contributed to open source projects and celebrated the spirit of collaboration.

📬 Get in Touch

  • Connect with me on Linkedin Thanks for stopping by! Let's connect and explore the fascinating world of technology together. 🚀

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    A Django-based authentication system with Google Social Login integration using dj-rest-auth and allauth. Features seamless login with Google, password reset, and email verification bypass for soci…

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  3. DjangoKnoxReact DjangoKnoxReact Public

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    Aplicatie - Pacientul intreaba, medicul raspunde. Python/Django + DjangoRestFramework + ReactJs

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