Yannick Abah

Maintenance and enhancement of the billing application: Updating Java and PL/SQL code to integrate new features and fix existing issues. Adaptation of business rules: Analyzing functional requirements and implementing changes in the business logic related to billing processes. PL/SQL script development: Creating and executing scripts to adjust, correct, or migrate database data according to operational needs. Performance optimization: Improving SQL queries, stored procedures, and batch processes to reduce execution times and optimize resource usage.

Designed and optimized PL/SQL procedures, packages, and triggers to support business logic and improve database performance. Wrote complex SQL queries and PL/SQL scripts for data validation, reporting, and backend processing tasks. Implemented and maintained RESTful services for various projects, ensuring reliability and scalability of backend systems. Automated backend tasks using Bash scripts and contributed to the CI/CD pipeline with Jenkins, ArgoCD, and OpenAPI. Data anonymization and GDPR constraints; unit tests for Java services and PL/SQL logic. Defined CI/CD pipelines for onboarding new applications.

Collaborated with functional and technical teams; impact analysis and validation of enhancements. Designed and optimized PL/SQL procedures, packages, and triggers; wrote complex SQL queries and PL/SQL scripts for data validation, reporting, and backend processing tasks. Implemented and maintained RESTful services; production support and incident resolution. Automated backend tasks with Bash; contributed to CI/CD pipelines with Jenkins, ArgoCD, and OpenAPI. Java/Spring Boot, Angular, and GDPR-compliant data anonymization and traceability.