About Nassim
French
Native or bilingual
Arabic
Fluent
English
Fluent
Spanish
Conversational
Experience
- SiemensApprentice - Cybersecurity EngineerTECHSeptember 2024 - Today (1 year and 9 months)Paris, France• Supported cybersecurity industrialization in 15+ railway subsystems, improving compliance by 30• Formalized PM processes across 3 teams, reducing reporting errors by 20• Managed and promoted a Power BI tool, growing user base from 5 to 40+ and tracking 60+ KPIs.• Set up audit infrastructure (SIESTA, Wireshark) for 200+ devices, uncovering 5+ major vulnerabilities.• Contributed to CBTC system testing, validating 100+ requirements and cutting test time by 15.
- NetopsiaIntern - DeveloperApril 2024 - June 2024 (2 months)Paris, France• Migrated 3+ legacy systems to modern architectures, boosting performance by 25%.• Developed and debugged 10+ custom scripts for network automation, reducing manual tasks by 40%.• Created clear, scalable documentation, improving system maintainability and onboarding speed by 30%.
- Chauff'Heure VIPFreelance - Web developer and SEO editorOctober 2022 - November 2022 (1 month)Paris, France• Fixed 20+ minor bugs on the company website, improving user experience and reducing downtime.• Wrote and optimized 15+ articles in WordPress CMS, boosting SEO scores by 35• Monitored and improved web performance using audit tools, increasing site speed by 20%. .
Recommendations
Be the first to recommend Nassim
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Engineer'sTelecom2027Engineer's
- Engineer's degreeTelecom SudParis2027Engineer's degree