Oussama Cherni

As a software data engineer with a strong foundation in machine learning, I have a passion for solving complex problems and delivering high-quality solutions.

I have experience building and maintaining data pipelines, as well as developing microservices using Spring Boot and FastAPI, I am comfortable working with a variety of technologies and approaches.

In addition, I am also a blog creator, where strive to contribute to the tech community by providing my insights and knowledge on various topics related to data pipelines, microservices, and emerging technologies.

In my previous roles, I have consistently demonstrated the ability to learn quickly, think critically, and work effectively in team environments.

I am always looking for new opportunities to grow and make a positive impact through my work.

Contributed to the migration process from a monolithic payment application to a microservices architecture, en-

suring seamless transition and minimal disruption to the payment system.

• Designed, developed, and implemented new microservices using Java and Spring Boot, adhering to best practices and using Test Driven Development (TDD).
• Managed and optimized all payment transaction types including approve, refund, and cancel operations.
• Integrated multiple payment providers such as PayPal, CarteBleue, Visa Card, Fidelity Card, and restaurant tickets into the payment system.
• Developed a configuration microservice using Angular to manage payment methods, store configurations, and activate payment rules.
• Created performance tests using Gatling to thoroughly assess the entire payment system’s performance under various conditions.
• Built and maintained a CI/CD pipeline using Jenkins, Kubernetes, and Helm to deploy microservices across different environments

NATIONAL SCHOOL OF COMPUTER SCIENCE (ENSI)