Freelancer profile translated to English.
Back to original languageAbout Shai
Cybersecurity engineer and full-stack developer, I offer web, software, and mobile development solutions by integrating advanced security standards. With a background from an engineering school specializing in IT and cybersecurity, I combine expertise in development and system protection to deliver high-performing, robust, and secure applications.
Passionate about innovation and security, I have acquired solid experience in developing digital solutions while applying best practices in cybersecurity. My goal is to help companies design reliable, intuitive, and resilient technological tools against cyber threats.
What I offer
🔹 Web/Mobile & Software Development
- Design and development of secure web and mobile applications
- Development of custom software tailored to business needs
- Optimization and redesign of existing applications
🔹 Cybersecurity & Application Security
- Security audits of web and mobile applications
- Implementation of secure development best practices (OWASP, DevSecOps)
- Penetration testing and infrastructure hardening
Whether you are a startup, an SME, or a large corporation, I will assist you in creating innovative and secure digital solutions. 🚀
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km)
Experience
- VinymaticCo-Founder (CEO)September 2023 - Today (2 years and 11 months)Paris, France
- Co-founder of Vinymatic, a mobile application designed as a social network and streaming platform for vinyl enthusiasts. Managed the development of the application, allowing users to connect, share, and listen to vinyl records in a community environment.
- Development of a copyright management platform, using Python (Django), HTML, CSS, and JavaScript, offering an intuitive interface for efficient royalty management.
- Eclimaï Software and ServicesCybersecurity Engineer / Developer - PentesterSeptember 2023 - April 2025 (1 year and 7 months)
- Conducted security audits on banking applications for institutions such as Montepaschi, Rothschild Martin Morel, EDEL, La Nef, and Neuflize OBC to identify and correct vulnerabilities.
- Assessed the security of internal applications, providing recommendations and ensuring compliance with cybersecurity best practices.
- Developed and automated CI/CD processes with Ansible, enabling standardized generation of secure environments and control of updates via a version control system.
- Designed Python reporting scripts integrating the Zabbix API for advanced system monitoring and improved security incident tracking.
- My Data SolutionDeveloperCONSULTING AND AUDITSSeptember 2022 - Today (3 years and 10 months)Paris, France
- Designed and implemented a secure and automated backup system, ensuring data integrity and protection.
- Led the architecture and design of scalable and secure IT infrastructures.
- Developed a GDPR-compliant Captcha solution, enhancing data protection and user privacy.
- Performed IT security audits, including EBIOS (ANSSI) risk analyses, to identify vulnerabilities and ensure regulatory compliance.
- Designed a secure web browser for professional environments, ensuring a high level of security and confidentiality.
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Education
- Master's in General Engineering, Cybersecurity SpecializationESEO Paris-Vélizy - General Engineering School2025Développement web, APIs, Cybersécurité, Big Data, IA, Développement logiciel, Développement mobile
- MPSI Preparatory ClassESEO2021Prépa MPSI : Mathématiques, Physique, Sciences de l'Ingénieur, Mécanique, Informatique.