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Lead .NET Developer - Fraud Detection

Cdiscount - Company

Talence, Bordeaux, ๐Ÿ‡ซ๐Ÿ‡ท FranceFull-time - Lead (7-10 years)0 applicantsCloses Jun 21, 2026

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Job description

Job details

  • Location: Talence, Bordeaux
  • Work mode: Onsite
  • Employment type: Full-time (Not an internship)
  • Salary: Salary details are available in the employer description.

Role overview

Cdiscount is seeking a Lead .NET Developer to join a product team focused on fraud detection and prevention. This high-impact role involves modernizing and optimizing a critical platform where technical decisions directly influence millions of euros in annual business outcomes. You will lead the transformation of fraud detection systems in Talence, Bordeaux, working closely with Data Scientists and engineering teams.

Job details

This is a Full-time, Onsite position based in Talence, Bordeaux, France. The role requires Lead-level experience in .NET development with strong expertise in fraud detection systems, platform modernization, and performance optimization. Salary details are available in the employer description. You will drive technical strategy, mentor developers, and deliver scalable solutions in a fast-paced e-commerce environment.

Responsibilities

  • Lead the technical refactoring and modernization of fraud detection systems
  • Collaborate with Data Scientists to integrate machine learning models into production
  • Drive architecture decisions with multi-million euro business impact
  • Mentor and guide development team members on best practices
  • Optimize platform performance and scalability for high-volume transactions
  • Define technical roadmap and ensure delivery of critical fraud prevention features

Requirements

  • 7+ years of experience in .NET development with C# expertise
  • Proven track record leading technical teams and complex platform transformations
  • Strong understanding of fraud detection systems and risk management
  • Experience with performance optimization and high-availability architectures
  • Ability to collaborate effectively with Data Scientists and cross-functional teams
  • Excellent problem-solving skills and business impact awareness

Benefits

  • Work on high-impact projects affecting millions in revenue
  • Collaborate with Data Science and product teams
  • Opportunity to lead platform modernization initiatives
  • Join a leading French e-commerce company

Keywords

.NETC#fraud detectionplatform modernizationperformance optimizationdata science collaborationtechnical leadershipe-commerce