Senior .NET Developer

About the role

Expleo is seeking a Senior .NET Developer to design, develop, and maintain enterprise‑grade applications using modern .NET technologies. You will work closely with architects, product owners, and cross‑functional teams to deliver scalable backend services and ensure high‑quality code.

Key responsibilities

• Design, develop, test, and maintain enterprise applications with .NET 8/9/10 and C#.
• Build scalable backend services, micro‑services, and event‑driven solutions using RabbitMQ.
• Collaborate with architects, analysts, and product owners on technical design and architectural decisions.
• Conduct code reviews, unit and integration testing, and enforce development standards.
• Optimize database structures, queries, and data‑access layers for SQL Server and MongoDB.
• Troubleshoot production issues, ensure application stability, and contribute to DevOps practices.

Required profile

• Bachelor’s or Master’s degree in Computer Science or related field.
• Minimum 8 years of professional .NET development experience delivering complex enterprise solutions.
• Proven experience in Agile environments and strong understanding of software architecture, scalability, and maintainability.
• Fluent in English; passive knowledge of French and Flemish is a plus.

Required skills

• .NET 8.NET 9.NET 10
• C#
• Entity Framework Core
• Microsoft SQL Server
• MongoDB
• RabbitMQ
• Microservices Architecture
• Blazor
• Event‑Driven Architectures
• Docker & Kubernetes
• Azure DevOps or similar CI/CD platforms

What we offer

• Competitive salary and comprehensive benefits package (health insurance, pension, wellbeing programs).
• 32 vacation days, flexible home‑working policy, and family‑friendly leave.
• Access to Expleo Academy for accredited training and continuous learning.
• Opportunities to work on innovative projects across a global network.