Designed, developed, and maintained core features for billing, transaction validation, and financial flow management; implemented PCI-DSS compliant solutions. Built Symfony microservices for large-scale billing data using event-driven architecture; optimized critical modules, boosting performance and scalability by 40%. Integrated and orchestrated over 200 third-party APIs with telecom operators and partners. Set up unit, functional, and regression tests; provided production support; collaborated with Product, QA, Security, and DevOps teams; mentored new developers; contributed to technical documentation and continuous process improvements.

Full-Stack Developer at Billing DVP 4M team

January 1, 2022 - Present

Designed, developed and maintained core features for billing, transaction validation, and financial workflow. Implemented PCI-DSS compliant solutions, built Symfony microservices with an event-driven architecture, and integrated over 200 third-party APIs with telecom operators and partners. Set up unit, functional, and regression tests; resolved production issues; collaborated with Product, QA, Security, and DevOps in an Agile/SCRUM framework; optimized modules to improve performance and scalability by 40%.

Web Developer at Travel Lac 2

September 30, 2021 - October 10, 2025

Analyzed business requirements and contributed to the design, development, and enhancement of internal and external web services for travel booking and management solutions. Integrated APIs, set up unit and functional tests, and improved connectivity with external systems.

Web Developer at Travel Lac, Tunis

September 1, 2021 - October 10, 2025

Analyzed business requirements and designed/optimized MySQL databases. Developed and enhanced internal and external web services (APIs) for travel booking and management solutions. Created and executed unit and functional tests to ensure reliable connectivity and maintainable code for travel-related services.