Yohan PIERROT

Client-facing web applications & technical solution design Stack : .NET, C#, SQLite, React, PHP, SQL, HTML/CSS, CI/CD, GitHub, VPS, Photoshop, Midjourney. ● Analyzed client requirements and defined appropriate technical solutions. ● Developed and maintained web applications using .NET / C#, Symfony / PHP, with front-end integration in HTML/CSS. ● Delivered several notable projects: - Mondial-Immo — full real-estate listing platform with data management and modern UI. - Restomalin — responsive, mobile-optimized header integration. - Eigthly — high-performance, conversion-oriented landing page. - Alphaboot — automated product import workflows, significantly reducing manual processing time. ● Produced visual assets and UI mockups using Photoshop and Midjourney.

Internal banking supervision, risk-management and audit support applications Stack: C#, .NET Framework, XML / XAML, MVC, Microsoft SQL Server, T-SQL stored procedures, WPF, Unit testing, IBM Jazz. Responsibilities & Key Contributions: ● Developed and maintained critical supervision and risk-monitoring applications used by financial inspectors and branch directors. ● Implemented complex business logic in C# / .NET Framework, XML-based MVC, and SQL Server stored procedures. ● Produced and updated technical and functional documentation to meet internal compliance standards. ● Prepared detailed test plans for business teams, supporting structured UAT and reliable validation. ● Collaborated with business teams to translate regulatory and operational requirements into robust software components. ● Ensured rigorous change management through IBM Jazz.

Insurance applications & high-availability infrastructure Stack: .NET, C#, PHP, WordPress, Docker, GlusterFS, HTML/CSS, JavaScript. ● Contributed to the development of the insurance subscription workflow, ensuring reliability and seamless user experience. ● Built a web dashboard for internal monitoring and operational oversight. ● Developed a landing page with animations, parallax effects, and a client portal, improving user engagement and conversion. ● Provided multi-site support on WordPress, including debugging, customization, and performance fixes. ● Implemented a high-availability infrastructure using: - Docker (containerization) - Reverse proxy & load balancing - Database redundancy with GlusterFS - IP failover for service continuity and resilient deployments

Management of a digital community platform (~2,500 members) ● Managed community operations, team coordination, and basic accounting. ● Organized online events and handled relationships with media and influencers. ● Produced audiovisual and graphic content (logos, editing, sound design).