Freelancer profile translated to English.

Description

✨ About me ✨

Experienced Lead Full Stack Developer with over 15 years of experience, I support companies in the design, development, and modernization of complex systems, while ensuring robustness, security, and technical efficiency.

🔹 Technical Expertise:

I master Java and JavaScript environments, with strong experience in modern frameworks (Spring, React.js, Node.js, Vue.js) and advanced expertise in designing secure web services (RESTful APIs / PCI DSS).

These skills, combined with an excellent understanding of databases (PostgreSQL, MongoDB, Oracle, etc.) and cloud environments (Microsoft Azure, Google Cloud), have enabled me to successfully complete technically and strategically critical projects.

🔹 Recent Achievements:

Currently on assignment at Oney, I am supporting the implementation of a new Vault dedicated to the management of Visa and Mastercard bank cards, integrating advanced security standards and deployed in an Azure Cloud environment in compliance with PCI DSS standards.

🔹 Operational Excellence:

My career has allowed me to:

Migrate legacy systems (e.g., AS400 to Java/React).

Design scalable platforms meeting future business needs.

Collaborate closely with business and technical teams to propose adapted solutions.

Ensure compliance with security and conformity standards within highly sensitive projects.

🌐 Techs & Tools:

Java · React.js · Vue · Spring (Boot/Batch) · TypeScript · PostgreSQL · MongoDB · Microsoft Azure · Docker · Apache Kafka · Scrum

💡 What motivates me:

Creating high-performance and secure applications, modernizing legacy systems, and helping teams innovate to meet tomorrow's technical challenges.

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Can work on-site

Lille (up to 50km), Paris (up to 10km)

Oney
Lead Java / Javascript Developer
BANKING AND INSURANCE
September 2023 - Today (2 years and 9 months)
Croix, France
Design and implementation mission for a new bank card security vault (Visa / Mastercard) in an Azure Cloud environment, aiming to modernize the existing system and enhance compliance and security levels.

• Big Bang data migration from the legacy vault to the new platform
• Development of secure REST APIs for capturing and returning card information
• Regulatory compliance: GDPR (data purging and retention)
• Implementation of encryption key rotation and PAN signatures (PCI DSS v4 standard)
• Optimization of performance and reduction of security risks on sensitive data
• Coordination with product, design, and QA teams
• Collaboration on solution design and sprint planning
• Mentoring the development team, providing technical direction, and promoting best coding practices.
REST API PCI DSS Java Tech Lead React.js
ADEO Services
Full Stack Java / Javascript Developer
RETAIL (LARGE RETAILERS)
September 2021 - September 2023 (2 years)
Ronchin, France
Design and development on the Omni Commerce platform aimed at optimizing pricing, delivery, and loyalty processes.

• Development of features for the DELTA, Quotation, and Loyalty Orchestrator projects
• Implementation of efficient and accurate delivery cost calculation solutions
• Development of a pricing and customer rewards orchestration engine
• Integration into a Google Cloud (GCP) environment, ensuring availability and scalability
• Management of real-time flows via Apache Kafka
• Full Stack Development (Back & Front) in a modern and distributed architecture.
Java React.js Google Cloud Platform (GCP) REST APIs Spring Reactor
Supermarché Match
Lead Full Stack Java / Javascript Developer
RETAIL (LARGE RETAILERS)
May 2017 - September 2021 (4 years and 4 months)
La Madeleine, France
Technical evolution and modernization management of the Back Office portal (Nestor / Pluton) used by stores in France, Belgium, and Luxembourg for supply chain, drive-through, and field operations management.

• Migration of AS400 legacy systems to a modern Java / Spring Boot / React.js architecture
• Maintenance and continuous improvement of existing applications
• Development of new business features on the Back-End and Front-End
• Optimization of Back Office tool performance and reliability
• Coordination with product, design, and QA teams
• Mentoring the development team, providing technical direction, and promoting best coding practices.
• Collaboration on solution design and release planning.
Java 11 React.js Jenkins REST API Spring