Dotnet Developer

Job Title : Dot net developer

Location : France, Paris

Work Mode: Hybrid (3 Days Onsite)

Job Description:

Participating in architecture decisions and defining development standards

• Contributing to the frontend layer (Vue.js / React) on payment and reconciliation journeys
• Extensive use of AI tools (Copilot, test generation, code reviews)
• Participating in team rituals and collective craftsmanship
• (Daily Scrum, Poker Planning, Sprint Planning, Demo, etc.)
• Designing and developing various payment modules, including:
• payment method eligibility
• connectivity with multiple payment partners
• monetary transaction management
• delivery of payment and reconciliation pages or SDKs to the different sales front‑ends (fnac.com, darty.com, and others)
• Designing, developing, and maintaining robust payment APIs
• Contributing to card (CB), wallet, and PSP flows:
• authorization

Mandatory skills*

• React and Vue.js

• C# .NET 10 & Web API

• MS SQL

Desired skills*

React and Vue.js

C# .NET 10 & Web API

• Microsoft Dependency Injection

• Dapper

• xUnit

• Moq

• Postman

• Strong understanding of payment flows:

o CIT / MIT

o 3DS

o retries

o idempotence

• Messaging systems (Kafka or equivalent)

• CI/CD, GitLab

• Cloud (Azure), especially Azure Container Apps (ACA)

• Observability tools (Datadog)