Oussama Kherbache

Developed a mobile application using Dart and Flutter to digitalize the blood donation process. Integrated Firebase Authentication to allow users to log in via Google account or email. Implemented location-based features (geolocation API) to identify nearby blood donation buses and centers. Managed and stored medical data in Firebase in compliance with privacy standards (e.g., GDPR).

Freelance Backend Developer for ERP System at ZegBag Company

Designed and implemented the backend architecture using a modular MVC approach. Developed backend services with Node.js, PostgreSQL, and Knex.js. Designed and maintained relational database schemas. Implemented RESTful APIs and business logic for ERP functionalities. Collaborated on system planning and technical decisions.

Designed and developed a web-based platform for managing construction companies using a microservices architecture. Implemented a multi-role user management system (Super Admin, Admin, HR Manager, Commercial Manager). Developed authentication and authorization using JSON Web Tokens (JWT). Built a visual and user-friendly interface for efficient system interaction. Integrated backend services with RBAC.

Student Project – Spam Filter Development at Université Ferhat Abbas Setif 1

Designed and developed a web application to detect spam emails by analyzing text input provided through a user interface. Implemented a classification algorithm based on Bag of Words (BoW) and TF-IDF techniques using Python to estimate the probability of an email being spam. Developed a simple and intuitive user interface using HTML and CSS, enabling near real-time email analysis.

Ongoing freelance work developing and maintaining blood donation mobile app (ongoing since Sep 2025).

Freelance Mobile App Developer at Independent / Freelance (Blood Donation Mobile App)

Developed a mobile application using Dart and Flutter to digitalize the blood donation process. Integrated Firebase Authentication to allow users to log in via Google account or email. Implemented location-based features (geolocation API) to identify nearby blood donation buses and centers. Managed and stored medical data in Firebase in compliance with privacy standards (e.g., GDPR).

Final Project Developer - Construction Company Management Platform at University Project

Designed and developed a web-based platform for managing construction companies using a microservices architecture. Implemented a multi-role user management system (Super Admin, Admin, HR Manager, Commercial Manager). Developed authentication and authorization using JSON Web Tokens (JWT). Built a visual and user-friendly interface for efficient system interaction. Integrated backend services with RBAC.