Freelancer profile translated to English.
Back to original languageAbout LĂ©o
I am a freelance developer specializing in creating applications and websites with **React**, **Next.js**, **Node**, **JavaScript**, **TypeScript**.
As an ESIEE Parisengineer**, I have a fullstack profile but am quite front-end oriented, with expertise in **cybersecurityas well. I am interested in everything an app developer needs to know: clean architecture, information system security, good code practices...
🧬 **Expertise**:
- Front: HTML5 / CSS3 / SASS / TailwindCSS / React / shadcnui
- Back: Node / Next.js / Express / Fastify
- Cybersecurity: Web Pentest, source code audit, API audit
- Javascript / Typescript
- Databases: PostgreSQL / MongoDB
- CMS's: Strapi
⚒️I undertake various types of work:
- Front-end or fullstack development of React applications
- Next.js websites
- Responsive integration
- Backend development (Node.js)
- RESTful/GraphQL APIs (Express.js)
- Source code audit
- Penetration testing
I have worked with major groups:
- Orange Business
- Thales Cyber Solutions
I also place great importance on **transparency with my clients**.
I send a daily report to my clients at the end of the day on all the tasks I have performed.
Shall we discuss your project?
Contact medirectly on the platform.
I am interested in all types of missions, short or long.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Thales Cyber SolutionsIntern Red Team Forensic EngineerCONSULTING AND AUDITSMarch 2024 - September 2024 (6 months)Nantes, France
- Creation of a virtualization environment (cyber range), equipped with various attack scenarios representative of current threats such as web attacks and Active Directory compromises.
- This project aimed to provide practical training for Red Team and Forensic teams, thereby strengthening their offensive security skills.
- Creation of CTF challenges for Hack 2024.
- Orange Business ServicesCybersecurity Analyst InternTELECOMMUNICATIONSApril 2023 - August 2023 (4 months)Rennes, France
- Development of a tool in Python and ELK for real-time analysis of the IT security of Orange Business clients' network equipment, offering corrective recommendations to improve analyst efficiency.
- LĂ©o ROULLOISFullstack Web DeveloperMarch 2022 - Today (4 years and 3 months)Nantes, France
- Freelance React / Next.js fullstack web developer
- Database / cloud infrastructure management.
- Development of Carbyn, an OSINT search SaaS platform.
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Education
- EngineerESIEE Paris2024Formation d'ingénieur cybersécurité à ESIEE Paris
Certifications
- Responsive Web DesignFreeCodeCamp2021
- JavaScript Algorithms and Data StructuresFreeCodeCamp2021