Chaima Hammami

Developed "Othyra " a full-stack web and mobile platform from scratch that instantly and anonymously connects clients with therapists. Features include real time chat and notifications (WebSockets), secure JWT authentication, an AI chatbot, integrated Stripe payments, Google and Apple APIs ,and personalized video conferencing via WebRTC. The app supports multiple roles (client, therapist, admin). Implemented CI/CD pipelines for automated building, testing, and deployment, ensuring reliability and scalability. Built with Spring Boot, Angular, Node.js, Ionic, and MongoDB. Deployed with Angular on Vercel, Spring Boot backend on Oracle VM (Docker + Nginx), and MongoDB Atlas for the database.

Contributed to the development of a full-stack web application "Good Delivery " for managing delivery non conformities. Worked with ASP.NET Core and Entity Framework on the backend, ReactJS with Chart.js on the frontend, and implemented real-time updates using Node.js and SignalR, with SQL Server (SSMS) for data management.

Developed and supported "Osprey " , a cloud-based e learning platform delivering personalized content via the Google Gemini LLM API. Implemented secure authentication, real-time data handling, and REST API integrations, while troubleshooting API errors, JSON payload issues, and performance bottlenecks. Built with React.js, Express.js, Firebase, and Vercel, focusing on system reliability and user experience.