Rayan Guedri

• Engineered self-service features for an HR application that eliminated a multi-day dependency on developers, empowering managers to execute tasks instantly that previously stalled in a ticket queue. • Developed an internal document transfer feature that reduced a multi-step, hours-long ticketing process into a self-service action completed in under 60 seconds, drastically improving operational efficiency. • Automated the training session assignment process via a robust Excel import module, reducing a manual 30-minute task to under 60 seconds and guaranteeing 100% accuracy. • Enhanced system stability and user experience by resolving over 15+ priority bugs and implementing 20+ user-requested features, leading to a 40% reduction in support tickets.

Employed as a software engineer and assigned to client projects. Worked on .NET/Angular applications for major clients including Vinci Construction.

• Developed and delivered core user data management modules for a banking platform serving 100,000+ clients across Africa, ensuring strict compliance with data protection standards. • Created interactive web interfaces to manage users and various business-related features. • Architected critical business logic in PL/SQL for handling sensitive client data, eliminating a previously identified security vulnerability in the user approval workflow. • Optimized 10+ complex PL/SQL queries for high-volume transaction processing, improving report generation speed by an average of 25%. • Implemented business-specific features that enhanced system usability and aligned with client requirements.

• Conducted market research and designed an event management application with more advanced features than local competitors. • Developed a secure, feature-rich full-stack web application for event planning and ticketing, using C .NET Core for the backend. • Built a dynamic, responsive React/TypeScript front-end that received positive user feedback for its intuitive design and performance, leading to a smoother ticket purchasing experience. • Implemented key features including: - Online ticket payments - User ratings and comments on events - Interactive maps for venue navigation - User profile management, including status customization and profile picture upload

• Replaced the old and slow WordPress website with a newer and faster one using C# and dotnet core framework. • Created a Trello clone allowing the company to manage its daily tasks with a common database.

Reviewed the internal IT infrastructure of the company and advised on replacing the old working methods and tools with modern and more efficient ones

Worked on the company’s website using WordPress. The website saw an increase in speed rating from E tier to B tier according to GTmetrix