Securing Your Digital World
Build strong applications.
I am a CyberSecurity Analyst and Software Engineer.
Secure, Scalable, and Custom Software Solutions
With expertise in software development and cybersecurity, I provide tailored solutions that blend innovation with security to protect your business and enhance efficiency.
- Web & Software Development – Scalable and robust applications tailored to your business needs.
- Cybersecurity – Vulnerability assessments, penetration testing, and security audits to safeguard your systems.
- SOC Analysis & Threat Detection – Real-time monitoring and incident response to keep your infrastructure secure.
- Cloud Security & DevOps – Secure cloud environments and integrate security into your CI/CD pipelines.
- Freelance Consulting – Get expert guidance on software architecture, secure coding practices, and cyber risk management.
Online Projects
Hours Of Support
Hours of formation
Years in Bank Industry
Technologies
Leveraging the latest technologies to build secure, scalable, and high-performance solutions.
C# & .NET Development
Building enterprise-grade applications using .NET Core, ASP.NET, Entity Framework, and Blazor.
TypeScript & JavaScript
Developing modern web and mobile applications with React, React Native, Node.js, and Express.
Python Development
Automation, data processing, and AI solutions using Django, FastAPI, Pandas, and TensorFlow.
Offensive Security
Penetration testing and red teaming using Kali Linux, Metasploit, Burp Suite, and Nmap.
Defensive Security
Threat detection, SOC analysis, and SIEM solutions with Splunk, Wazuh, and ELK Stack.
Cloud Security & DevSecOps
Securing cloud environments (AWS, Azure, GCP) and integrating security into CI/CD pipelines.
Use Cases
Practical cybersecurity and software solutions tailored for businesses and individuals.
Custom Web Application Development
Building scalable web applications with C# .NET, React, TypeScript, and Python. Ideal for businesses needing automation, dashboards, or SaaS platforms.
Penetration Testing & Vulnerability Assessment
Simulate real-world cyberattacks to find security weaknesses before hackers do. Using tools like Kali Linux, Metasploit, and Burp Suite, I provide in-depth security audits.
Secure Code Review & Hardening
Analyzing source code for vulnerabilities in C#, JavaScript, Python, and TypeScript applications. Ideal for businesses wanting secure software from development to deployment.
Security Operations Center (SOC) Monitoring
Real-time threat monitoring and SIEM analysis using Splunk, Wazuh, and ELK Stack. Ideal for companies needing proactive cyber threat defense.
Testimonials
What my clients say about my expertise in software development and cybersecurity.
Lorenzo developed my e-commerce website, for my store located in Antibes. It's very nice to have him, we are still in touch to keep up to date my website.
(translated from french)
Samuel Castiel
Founder, Castiel et Associés SARL
As we migrated to AWS, we needed to ensure our infrastructure was secure from the start. Lorenzo helped us integrate automated security checks and IAM best practices.
(translated from french)
Julien Morel
CTO, SantéConnect
Lorenzo is a dedicated professional with a strong work ethic, excellent teamwork skills, and outstanding communication abilities. He thrives in high-pressure environments, quickly adapts to challenges, and continuously expands his expertise to deliver high-quality results.
Benoit Tabry
Lead developer, Thales Engineering
Pricing
Flexible pricing tailored to your needs, whether for cybersecurity audits, ethical hacking, or software development.
Free Consultation
Free / 1 hour
- Project scoping & requirement analysis
- Technical feasibility study
- Security & software architecture discussion
- Recommended strategies & best practices
- No obligation to proceed
Security Analysis & Ethical Hacking
from35€ / hour
- 🔍 Security Audit & Penetration Testing (Web, Network, API, Cloud)
- 🛡 Vulnerability Assessment using Nessus, OpenVAS, and Burp Suite
- 📜 SOC Monitoring & Incident Response (Splunk, Wazuh, ELK Stack)
- ⚙ Red Team Testing & Phishing Simulations
- 📊 Security Reports with Actionable Remediation Steps
Software & Web Engineering
from350€ / day
- 🚀 Web Application Development (C# .NET, React, TypeScript, Python)
- 📱 Mobile App Development (React Native, API integrations)
- ⚙ Backend Development & API Design (FastAPI, Node.js, .NET Core)
- 🔒 Secure Coding Practices & DevOps Integration
- 🌐 Cloud Deployment & Server Optimization (AWS, Azure, Docker, Kubernetes)
Frequently Asked Questions
Answers to common questions about my services, cybersecurity, and software development.
Why hire a freelancer instead of an agency?
Freelancers offer flexibility, cost-effectiveness, and direct collaboration. Unlike agencies, there are no hidden fees, and you work directly with the expert, ensuring faster responses and personalized solutions tailored to your project.
Why should I trust you with my cybersecurity or software project?
With a strong background in software engineering and cybersecurity, I provide a unique mix of technical expertise and security-first thinking. I ensure that applications are not only functional but also secure, scalable, and optimized for performance.
How does a cybersecurity audit or penetration test work?
It starts with identifying potential security risks in your system, followed by ethical hacking techniques to uncover vulnerabilities. After testing, I provide a detailed security report with clear steps to fix any weaknesses.
How do I know if my business needs cybersecurity services?
If your business handles customer data, financial transactions, or cloud-based applications, cybersecurity is essential. Even small businesses can be targets for cyberattacks. I can perform a free risk assessment to help you evaluate your needs.
What technologies do you use for software development?
I specialize in C# .NET, TypeScript, JavaScript, and Python, working with frameworks like React, FastAPI, and ASP.NET Core. I also integrate secure coding practices and DevSecOps tools to ensure high-quality and safe applications.
How do you charge for your services?
Pricing depends on the complexity of the project. I offer:
- 📞 Free initial consultation to understand your needs.
- 🛡 Hourly rates for cybersecurity audits (starting at 35€/hour).
- 💻 Daily rates for software development (starting at 350€/day).
- 📦 Fixed-price packages for defined tasks (e.g., penetration testing, security audits).
Can I hire you for a long-term project?
Absolutely! I offer long-term collaboration for businesses that need ongoing cybersecurity monitoring, SOC analysis, or software development. Retainer-based contracts are available for dedicated support.
About Me
Summary
Lorenzo Pasquier-Flaud
Software Engineer & Cybersecurity Analyst with experience in data engineering, backend development, and security analysis. Passionate about designing robust, scalable, and secure solutions.
Education
Master's in IT - AI & Big Data
2019 - 2021
Epitech, France
Bachelor in Global Programming
2016 - 2019
Epitech, France
Certifications
CompTIA Security+
Google Project Management Professional Certificate
Professional Experience
Software Engineer
2022 - 2024
Société Générale Investment Banking, Montréal
- Development and optimization of pricing tools for derivative products in C#/.NET.
- Collaboration with quantitative teams and traders to enhance application performance. (Montreal/New York/Paris).
- Design of an advanced monitoring tool for Fixed Income trading.
- Management of an ASP.NET API and services deployed on Windows servers to collect, store, and log data for reporting purposes.
- Optimization of a Django API responsible for retrieving TradeBox logs to reduce response time when filtering data through the user interface.
- Development of the monitoring software interface featuring an optimized filtering system, built with ReactJS and Bootstrap.
- Development of a Vue.js interface for displaying an alert module, ensuring a seamless user experience.
- Clean Code methods applied with SonarQube and Nunit tests.
- Backlog organised by sprints to follow the SCRUM method.
- Using Visual Studio & JetBrains Rider editors for .Net development.
Software Engineer
2021 - 2022
Vianeo, France
- Python development for platform data processing, utilizing the Django framework to build an API and transmit data to the user interface.
- Designed and developed analytical dashboards to track product performance using D3.js, Bootstrap, and Vue.js.
- Backend development of an MVC software application using the Laravel PHP framework.
- Software deployment and updates using Docker, ensuring efficient container management and optimized continuous integration.
- Collaborated within a cross-functional team to design and implement new product features, ensuring alignment with business and technical requirements.
Software Engineer (Part-time)
2019 - 2021
Vianeo, France
- Developed data visualization tools using Vue.js and D3.js for front-end applications.
- Developed backend features for software built on the MVC model using PHP.
- Collaborated with UX and Business teams to implement new features.
- Developed expertise in C# and Python alongside Epitech's master's program.
Contact
You will receive an answer within the next 24 hours.
Address
WeWork, 37 Avenue Trudaine
75009 Paris
Call Me
+33744929127
Work Hours
Monday - Friday
9:00AM - 07:00PM