Backend .NET Developer

We have the below urgent position with my client. Please reply if you are interested.

Location: France-Paris (Hybrid)

Employment Contract.

Job Description: The candidate profile must be very strong and should have solid knowledge and hands-on experience with the Payment Processing Workflow . This is a mandatory requirement for us to proceed with evaluation.

• Participating in team rituals and collective craftsmanship
• Designing and developing various payment modules , including:
• payment method eligibility
• connectivity with multiple payment partners
• monetary transaction management
• Designing, developing, and maintaining robust payment APIs
• Contributing to card (CB), wallet, and PSP flows :
• authorization
• capture
• refund
• Improving the resilience, performance, and quality of the payment information system
• Implementing unit tests
• Documenting the developed APIs

Leveraging craftsmanship expertise and AI usage to improve time‑to‑market

Mandatory skills*

Desired skills*

• Strong understanding of payment flows:
• CIT / MIT
• 3DS
• retries
• Cloud (Azure), especially Azure Container Apps (ACA)