khouaja marwen

– Contributed as a Senior .NET Developer to a large-scale digitalization project for the Maghrebian Postal Service. – Worked on the design, development, and maintenance of an ASP.NET MVC application built with .NET 6 and SQL Server. – Key contributions included the development of new business modules, performance optimization on high-latency pages, and refactoring and tuning of complex SQL queries. – Integrated multiple external systems through REST APIs and actively participated in all project phases, including testing, UAT, and production deployments. – Collaborated closely with functional and technical teams to ensure a stable, scalable, and high-performance solution aligned with business requirements.

– As a Senior .NET Developer on the Batiprix project, a leading building cost estimation reference in France, I contributed to the design, development, and optimization of a large-scale business-critical application. – My role involved defining technical solutions, implementing robust and scalable features, and working closely with product owners, functional experts, and technical teams to ensure high standards of quality, performance, and reliability. – Leveraging strong expertise in .NET technologies and advanced problem-solving skills, I helped improve application performance, enhance the overall user experience, and streamline the building cost estimation workflows.

– Designed and developed web services leveraging SQL Server JSON features, tightly integrated with ASP.NET Web API to support a modern web platform. – Worked as part of a 7-member cross-functional team on the development of a patient form management platform. – While the frontend was implemented in Angular, I was responsible for the backend architecture, including database design, API development, and technical documentation. – Ensured reliability, performance, and clear API contracts to support frontend integration and long-term maintainability.

– Led the development of a Scheduling Module as part of a project to refactor a legacy C++ desktop application into a modern web-based solution for employee shift management. – The scope included redesigning scheduling logic to support employee rotations, generating annual planning schedules, and aligning scheduling components with operational service needs defined by task planners. – Focused on improving maintainability, scalability, and usability while ensuring functional parity and business continuity during the migration from desktop to web.

– Contributed to the design and development of a medical platform dedicated to tracking and managing medication prescriptions. – The platform also featured a search engine to locate nearby pharmacies and doctors, including optimal route calculation to improve accessibility for patients and healthcare professionals. – Focused on delivering a reliable, user-centric solution while ensuring data accuracy, performance, and scalability in a healthcare context.

– Led the development team for the Techniques de l'Ingénieur mobile application, a large-scale professional reference platform providing access to 14,000+ technical articles, practical guides, and peer-reviewed scientific news. – Oversaw technical decision-making, ensured code quality and performance, and coordinated team efforts to deliver a stable, scalable, and high-quality mobile application used as a trusted resource by professionals and engineers.

– Contributed to the design and development of a web-based platform for managing the SIM card activation workflow. – The solution was composed of two complementary components: – A mobile application used by field agents to submit client and SIM card information for validation – A web application for headquarters teams to validate SIM activations and report issues back to field agents – Focused on ensuring data reliability, workflow efficiency, and seamless coordination between field and central teams, while delivering a scalable and maintainable solution.

– Through my company, Ernst, I have delivered multiple business-critical applications across web and desktop platforms. – I worked as a .NET Developer (WebForms) on the ERP-ISEN project, implementing modules for asset management, suppliers, clients, accounting records, and financial accounts aligned with Tunisian accounting standards. – I also contributed as a .NET Developer (WinForms) on the ECM project, collaborating in a small team to build a comprehensive business management solution covering stock, client and supplier management, and human resources. – Additionally, I led the end-to-end development of AVOCANET, a web application designed from scratch for law firms, offering appointment scheduling and case and contract management functionalities.