Senior C#/.NET Engineer - AI-Driven & Scalable

Moody's; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Job summary

Moody's seeks a senior software engineer to own end-to-end delivery of production-grade .NET applications. You will design, implement, and optimize features across ASP.NET MVC, Web API and ASP.NET Core within a modern, AI‑aware platform.

Collaborate with product, design and data teams to drive reliability, scalability and value for clients worldwide. You will mentor engineers, apply SOLID principles, and champion performance and security in large-scale financial data environments at Moody's

Qualifications

• Proven experience delivering production-grade software with end-to-end ownership in full-stack environments.
• Expert-level C# development with ASP.NET MVC, Web API, and ASP.NET Core.

Responsibilities

• Own the technical health of mission-critical .NET applications, ensuring stability, security and performance.

Skills

Full-stack development

C# expert

ASP.NET MVC

Web API

ASP.NET Core

SQL Server

Entity Framework

Dapper/ADO.NET

Performance optimization

AI concepts

Education

Bachelor's degree in CS/Engineering

Tools

ASP.NET MVC

Web API

ASP.NET Core

Entity Framework

SQL Server

Dapper

ADO.NET

Job description

Moody's seeks a senior software engineer to own end-to-end delivery of production-grade .NET applications. You will design, implement, and optimize features across ASP.NET MVC, Web API and ASP.NET Core within a modern, AI‑aware platform.

Collaborate with product, design and data teams to drive reliability, scalability and value for clients worldwide. You will mentor engineers, apply SOLID principles, and champion performance and security in large-scale financial data environments at Moody's