Freelancer profile translated to English.
Back to original languageAbout Elnaceur
With over 19 years of experience in software development, I specialize in Microsoft technologies and modern front-end tools. My background includes various web and desktop application projects, with a focus on robust architecture, performance, and optimal data management.
Fullstack Development:Design of high-performance web and desktop applications with .NET, ASP.NET Core, C#, and WinForms.
Modern Front-end:Proficiency in JavaScript, Angular, HTML, CSS for interactive and optimized interfaces.
Microsoft Environment:Expertise in .NET, ASP.NET MVC, WinForms, SQL Server, ensuring reliable and scalable solutions.
Complete Project Lifecycle:From design to delivery, with front-end and back-end management (RESTful APIs, databases).
Agility and CI/CD:Experience in Agile management with Scrum and continuous integration via Azure DevOps.
Modernization and Innovation:Redesign and improvement of existing systems, with continuous technological monitoring for innovative solutions.
Arabic
Native or bilingual
French
Fluent
Can work on-site
Paris (up to 50km)
Experience
- SNCF RéseauSenior Fullstack Developer .NETTRANSPORTATIONJune 2012 - Today (14 years)Paris, France
Context
Development of critical applications for managing estimates, budgets, and railway studies, used by Project Owners/Managers and business teams.Major Projects & Achievements
ECO — Redesign of a strategic tool (Angular)- •Complete redesign of a legacy business application (WinForms → Angular), initially developed by myself.
- •Development of an Angular SPA (TypeScript, RxJS) connected to ASP.NET Core APIs.
- •Migration to a modern architecture (API REST + Angular front-end).
- •Implementation of rich interfaces with Angular Material (tree, complex forms).
- •Significant improvement in performance and user experience, facilitating adoption by business users and reducing processing times.
- •Close collaboration with business users for requirements validation.
LEA — Railway estimation tool (WinForms / DevExpress)- •Development and evolution of a critical WinForms tool with DevExpress.
- •Design of rich interfaces (GridControl, complex forms).
- •Implementation of complex business calculation rules.
- •Performance optimization for large volumes of data.
- •Ongoing maintenance over several years with continuous improvement in stability and usability.
Business Applications & Services (ASP.NET / WCF)- •Development of numerous web applications in ASP.NET (WebForms / MVC).
- •Design and implementation of WCF services.
- •Implementation of Service-Oriented Architectures (SOA).
Industrialization & Quality
- •Implementation of CI/CD pipelines (Azure DevOps) and deployment automation
- •Contribution to architectural choices and IT system modernization
- •Involvement in critical subjects requiring expertise and reliability
- •Technical support and developer mentoring
- •Refactoring and technical debt reduction
- •Continuous improvement of code quality and development practices.
- WEBNET.NET Engineer / Technical Project ManagerCONSULTING AND AUDITSJanuary 2009 - May 2012 (3 years and 5 months)Boulogne-Billancourt, FranceFujifilm – Billing Management Application:Database design and modeling, development, integration, and integration testing, deliveries.Environment:Visual Studio 2010, .NET 4.0, ASP.NET, C#, WCF, SQL Server 2008, Oracle 10gDuration:3 monthsAXA – Redesign of 3 institutional websites:Development of SharePoint 2010 components, definition of content types and pages, compliance with Accessiweb standards, SharePoint administration.Environment:SharePoint 2010, .NET 4.0, ASP.NET, C#, Visual Studio 2010, SQL Server 2008Duration:5 monthsADP – Airport royalties management application:Management of a development team (5 people), functional design, database modeling, integration, and integration testing, deliveries.Environment:Silverlight 3.0, XAML, Framework 3.5, C#, LINQ, WCF, Visual Studio 2008, Oracle 10g, TelerikDuration:13 monthsAXA – Subsidiaries and holdings management:Management of a development team (2 people), functional design, database modeling, integration, and integration testing, quality testing, refactoring, deliveries.Environment:.NET 2.0 (VB.NET, ASP.NET, Visual Studio 2005, IIS), SQL Server 2008, T-SQLDuration:8 monthsVOLKSWAGEN – Commercial management application:Database modeling, development, integration, and integration testing, deliveries.Environment:.NET 3.5 (C#, ASP.NET, Visual Studio 2008, IIS), Oracle, PL/SQLDuration: 6 monthsAXA – Performance improvement management:Database modeling, design of enhancements, stored procedure development (T-SQL), integration, integration testing, deliveries.Environment:.NET 2.0 (VB.NET, ASP.NET, Visual Studio 2005, IIS), SQL Server 2005, T-SQLDuration:6 months
- Arrow TechnologyDevelopment and Studies EngineerSOFTWARE PUBLISHINGMay 2008 - December 2008 (8 months)Tunis, TunisiaMigration of a FoxPro application to a Rich Client Web Architecture:Technical proposal, writing specifications and test plans, development of ASP.NET pages with AJAX (EXTJS), creation of stored procedures (T-SQL).Environment:.NET 3.5 (C#, ASP.NET, Visual Studio 2008, IIS), SQL Server 2005Duration:2 monthsEvolutionary maintenance of a logistics solution:Addition of HMIs for item management, implementation of a simplified EDI protocol, unit tests, Windows services, Remoting, development of ASP.NET pages with AJAX, stored procedures (T-SQL).Environment:.NET 3.5 (C#, ASP.NET, Visual Studio 2008, SSIS, IIS), SQL Server 2005Duration:4 months
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Education
- Computer Science & Technological Application EngineerNational School of Computer Science2005Après deux ans cycle préparatoire, 3 ans cycle d'ingénieur
Certifications
- .NET Framework 4, Web Applications certification (score 910/1000)Microsoft2012