Freelance Islem Ghariani

Present
ADPConnect, ADP, Tunis
○ Development and maintenance of full-stack modules with Django REST Framework (backend)
and Angular (frontend)
○ Creation of API endpoints for business partners, items, and customer orders
○ Enhanced data consistency in Infor LN integration
○ Improved customer portal UX for real-time communication and simplified order tracking
○ Technologies: Django REST Framework, Angular, PostgreSQL, Infor LN
○ Website: ZumConnect
May 2025 –
Present
ADPPortal, ADP, Tunis
○ Supervision of three interns, including one final-year project intern (PFE), in portal development
○ Implementation of secure authentication and authorization (JWT, role-based access)
○ Integration of AWS services (S3 for media storage)
○ Optimized database queries and ORM models to improve API response time
○ Implementation of image optimization workflow (WebP conversion, progressive loading)
○ Technologies: Django REST, Angular, AWS S3, JWT, PostgreSQL
○ Website: ZumPortal
1/3
Mar – May
2025
P2I – SPS, ADP / Partners 2 Innovate, Netherlands
○ Design and implementation of data mapping and transformation between Infor LN (ION)
and SPS
○ XML to JSON and JSON to XML conversion for data exchange
○ Configuration and management of BOD (Business Object Documents) in Infor ION
○ Bidirectional data synchronization between Infor LN and SPS
○ Development of custom data mapping to align Infor LN structures with SPS requirements
○ Technologies: Spring Boot, XSLT, XML, JSON, REST API, Infor ION
Oct 2024 –
Feb 2025
Lilium,ADP / Lilium Aerospace GmbH, Germany
○ Administration and technical support of Infor LN and ION environment
○ User management (create, update, delete) and level 1 support assistance
○ CE job monitoring and restarting blocked scheduled tasks
○ CE ION Desk monitoring (connection point errors, document flows, workflows, ION
Grid/BOD)
○ Development of LN extensions (Sessions, Tables, Domains) to improve efficiency and
streamline business processes
○ Technologies: Infor LN, ION Desk, Infor LN Studio, System Administration, Extensions
Development