rahal hamdi

🔷 Chantier Numérique – Train Applicatif & Équipe Technique C90 Worked on maintenance, incident resolution, and continuous improvement of PPSP/REF/ADMIN applications. Implemented event traceability features (filters, interceptors, monitoring) and enhanced technical components within the C90 ecosystem. Contributed to UI adjustments and technical supervision tools in Angular 18.

🔹 URights Project – SACEM Contributed to the technical overhaul of the URights application, dedicated to managing contracts with DSPs for the exploitation of Sacem works. Migrated infrastructure from IBM to AWS, redesigned the backend using Spring Boot & JPA, migrated the database from DB2 to PostgreSQL, automated DSR reporting (AWS SNS, Spark), implemented cross-region S3 backups, and created monitoring tests with Checkly.

🔹 APE Application Project – Export Pre-financing Guarantees Contributed to the development of the APE application, aimed at automating and securing the management of export pre-financing guarantees. Involved in UML design, backend development using Java 17 / Spring Boot / Kafka, and frontend development with Angular 15. Implemented a Kafka messaging system with retry and error handling, wrote unit tests (JUnit, Jasmine), conducted Git code reviews, and participated in Agile SAFe ceremonies (2-week sprints). Tech stack: Java 17, Spring Boot, Kafka, PostgreSQL, Angular 15, Kubernetes, Helm, Jenkins, Git, Agile SAFe.

🔹 SPIDER Project – Société Générale (BDDF) Developed a web application dedicated to managing electronic signatures for individual and business clients. Participated in Agile ceremonies (3-week sprints), with backend development in Java 11 / Spring Boot / JPA and frontend in React & Redux. Contributed to UML design, API exposure via SPARKY, SQL script management using Liquibase, environment configuration, bug fixing, and code reviews. Tech stack: Java 11, Spring Boot, React, Redux, PostgreSQL, Liquibase, Jenkins, Git, Agile Scrum.

🔹 FINBILL Project – Billing and Payment Tool Developed a web application for billing, targeting startups, SMEs, and individual users. Designed and implemented modules for invoice management, multi-payment options (card, direct debit, e-wallet), cash collection, and KYC management. Secured implementation with Spring Security, sensitive data persisted in AWS DynamoDB, and process automation using Spring Batch. Involved in technical decision-making, backlog management (Redmine), and CI with Jenkins. Tech stack: Java 8, Spring Boot, Spring Security, PostgreSQL, AWS DynamoDB, Angular 7, MangoPay, Docker, Jenkins, Agile Scrum.

🔹 Healthcare & Hospitality ERP Projects – Business Management Applications Contributed to the development of two business web applications in distinct sectors: healthcare and hospitality. 🔸 Project 1 – Hospital ERP Developed an ERP system for managing hospital operations (patient care, inventory, medical records, accounting, etc.). Wrote functional and technical specifications, developed backend features (Java 8 / Spring Boot), and managed hospital care and inventory modules. 🔸 Project 2 – Hotel Management System Developed a hotel management solution covering reservations, room assignment, check-in/check-out, and billing. Involved in specifications and full-stack development (Spring MVC / jQuery). Built a customer-facing interface for managing bookings and invoices. Tech stack: Java 8, J2EE, Spring Boot / Spring MVC, Hibernate, jQuery, SQL Server, Agile Scrum.