Développeur C# .Net Junior

About the role

ADP is looking for a Junior C# .Net Developer to join its R&D team. You will work on a payroll data‑transformation platform that maps HR data to country‑specific payroll formats, contributing to both new features and ongoing maintenance.

Key responsibilities

• Develop and maintain validators, transforms and cross‑validators in C# .Net to enrich the data‑processing pipeline.
• Configure Excel dictionary files that define mapping rules for each configuration profile.
• Create and manage Entity Framework Core migrations for database schema changes.
• Write and maintain unit tests (xUnit) and end‑to‑end tests to ensure code quality.

Required profile

• Bachelor’s or Master’s degree (Bac+5) in Computer Science or a related field.
• Self‑motivated, detail‑oriented and able to work independently.
• Strong communication skills in both French and English.
• Curious about emerging technologies and committed to continuous improvement.

Required skills

• C# / .Net (object‑oriented programming, design patterns, inheritance, interfaces)
• Angular / TypeScript for front‑end development
• HTML & CSS for UI integration
• Entity Framework Core (migrations, data access)
• Excel file reading and manipulation via code
• xUnit for unit testing
• Git for version control

What we offer

• Opportunity to work on a global payroll transformation platform.
• Collaborative, inclusive environment with a focus on innovation.
• Professional development and exposure to cutting‑edge technologies.