RAFreelancer profile translated to English.
Back to original languageAbout Rabah
Full-Stack & DevOps Engineer with 3 years of experience on complex projects for large clients (BNPP), as well as several freelance missions in web application and API development. Proficient in development and automation, I design reliable and scalable solutions, and I am looking for a permanent/fixed-term position or new freelance missions to continue taking on technical challenges.
I help you design, migrate, and optimize your applications, while ensuring quality, performance, and security.
If my profile matches your needs, do not hesitate to contact me to discuss your project!
French
Native or bilingual
English
Conversational
Can work on-site
Lyon (up to 50km), Paris (up to 50km), Nice (up to 50km), Marseille (up to 50km), Toulouse (up to 50km)
Experience
- WorldlineFull-stack & DevOps EngineerBANKING AND INSURANCEApril 2024 - August 2025 (1 year and 4 months)Lyon, France• Project: Contact (omnichannel contact center solution) for BNL (BNPP) client• Design, development, and documentation of secure REST APIs with Spring Boot and documented via OpenAPI.• Successful migration of 3 critical services from Spring Boot 2 / Java 8 to Spring Boot 3 / Java 17, improving application maintainability and reducing security risk.• Implementation of unit and integration tests for REST APIs, ensuring endpoint reliability and non-regression during migrations.• Integration of code analysis and vulnerability detection tools (SonarQube, Dependency-Track) into CI/CD pipelines, enabling early detection of over 90% of critical vulnerabilities.• Development of over 20 automated scripts in Groovy and Python for configuration and extraction of statistical reports, reducing manual processing time by over 80%.• Analysis of client needs, design, development of adapted solutions, deployment, and functional validation.• Provided TMA (Third-Party Maintenance) and incident investigation, with rapid identification and resolution of bugs.• Writing and maintaining technical documentation (API, architecture, operating procedures).• Technologies: Java, Spring boot, Spring security, TypeScript, Angular, Gitlab Ci, Docker, Kubernetes, VXML, Jasper Reports.• Methodology: Agile
- Freelancer.comFull-stack & DevOps EngineerSOCIAL NETWORKSJanuary 2023 - December 2023 (11 months)• Development of a platform consolidating messages from multiple social networks (Meta API, Telegram).• Integration of payment systems with ClickPay (Saudi Arabia).• Integration of social network APIs to centralize messages and notifications.• Database optimization and real-time connection management with Redis.• Writing and maintaining technical documentation (API, architecture, operating procedures).• Technologies: Python, Django REST Framework, Channels, MySQL, Redis, Docker, Github Actions.• Methodology: Agile
- WRManagerJava DeveloperRETAIL (SMALL BUSINESS)January 2022 - November 2022 (10 months)• Development of a complete Point of Sale (POS) system, from specifications to final solution, deployed at several clients.• Design of the software architecture to ensure scalability and maintainability.• Development and optimization of user interfaces (JavaFX) to ensure a fluid, intuitive experience adapted to business needs.• Implementation of advanced features: inventory management, sales tracking, report generation, and dashboards.• Optimization of application performance and reduction of transaction processing times.• Assistance and training of end-users to ensure rapid adoption of the system.• Technologies: Java, JavaFX, Hibernate, MySQL, Jasper Reports, GitHub.• Methodology: V-Cycle
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Education
- Master 2 Information Technology and WebUniversité Claude Bernard Lyon 12025Master 2 Technologies de l'Information et Web
- Master 1 Computer ScienceFaculté des Sciences Jean Perrin2024Master 1 Informatique