Senior .NET Developer (Financial Systems)

Introduction

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, you’ll have the tools to drive meaningful change and accelerate client impact. At IBM Consulting, curiosity fuels success. You’ll be encouraged to challenge the norm, explore new ideas, and create innovative solutions that deliver real results. Our culture of growth and empathy focuses on your long-term career development while valuing your unique skills and experiences.

Your Role And Responsibilities

Join us and support a major financial services client within a complex, enterprise-grade ecosystem. As a Senior .NET Developer, you will design and build integration components connecting BNPAM platforms with external financial systems. You’ll work in a regulated environment where security, scalability, and stability are critical.

You Will

• Develop backend solutions using C# and .NET
• Build and maintain REST/SOAP APIs and integration services
• Implement messaging solutions (Kafka, MQ)
• Ensure compliance with architectural and security standards
• Support production stability and contribute to incident resolution
• Collaborate with cross-functional and international teams in an Agile environment
  
  

This role offers exposure to capital markets systems and the opportunity to grow toward Integration SME, Solutions Architect, or Tech Lead paths within IBM’s Microsoft Practice.

Preferred Education

Bachelor's Degree

Required Technical And Professional Expertise

• Typically, 4+ years of hands-on experience with C# and .NET backend development
• Experience building integrations using REST/SOAP APIs
• Experience with messaging systems (Kafka, MQ or similar)
• Exposure to financial systems or capital markets environments
• English at professional level
  
  

Preferred Technical And Professional Experience

• Experience with BlackRock Aladdin or similar financial platforms
• Containerization experience (Docker)
• Exposure to NoSQL databases
• Azure cloud exposure
• Full-stack experience
• French language proficiency is considered an asset, but not mandatory.