Software Engineer (C# / .NET)

Moody; Brussel Hoofdstad; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

Moody's is hiring a Software Engineer (C# / .NET) to join the Orbis team. You will maintain and evolve large .NET applications that power financial decision-making for clients worldwide. The role emphasizes production support, feature development, and collaboration with cross-functional teams.

You will work across .NET Framework 4.8, .NET 10, and ASP.NET Core MVC, with React/TypeScript experience. Applicants should be proactive, curious, and adept at debugging, testing, and optimizing

Qualifications

• Proven experience shipping production software (2+ years).
• Strong proficiency in C# including async/await, LINQ, generics, dependency injection, and modern language features.
• Experience with ASP.NET MVC and Web API on .NET Framework 4.8.
• Working knowledge of modern .NET (.NET 10) and ASP.NET Core MVC.
• Experience with React and TypeScript.
• Basic knowledge of SQL and Entity Framework / EF Core.
• Exposure to .NET Framework to .NET migration projects.
• Familiarity with CI/CD practices and tools such as GitHub Actions and Jenkins.
• Demonstrated proficiency in AI concepts, with hands-on experience using AI tools to streamline workflows and enhance operational efficiency.

Responsabilités

• Maintain and evolve high-scale .NET applications used for critical financial decision-making for thousands of clients.
• Investigate, troubleshoot, and resolve bugs and production incidents by analyzing logs and app behavior.
• Identify and implement performance optimizations and code quality improvements across existing apps.
• Design and deliver new features aligned with architecture, standards, and business needs.
• Collaborate with product, design, and data teams to deliver impactful technical solutions.
• Ensure high-quality, maintainable code through testing, reviews, and CI practices.
• Contribute to technical documentation and share knowledge to support team effectiveness.

Connaissances

C# / .NET

Async/Await

LINQ

Generics

Dependency Injection

ASP.NET MVC

ASP.NET Core

React

TypeScript

SQL

Entity Framework

Unit Testing

Git

Visual Studio

NuGet

CI/CD

Debugging

Code Reviews

AI Tools

Formation

Formal education or equivalent

Outils

GitHub Actions

Jenkins

Visual Studio

NuGet

AWS

SQL Server

EF Core

Description du poste

Let's begin! Software Engineer (C# / .NET) (15432)

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, we’re advancing AI to move from insight to action—enabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence.

We are seeking candidates who model our values: invest in every relationship, lead with curiosity, champion diverse perspectives, turn inputs into actions, and uphold trust through integrity.

Skills and Competencies

• Proven experience shipping production software (2+ years).
• Strong proficiency in C# including async/await, LINQ, generics, dependency injection, and modern language features.
• Experience with ASP.NET MVC and Web API on .NET Framework 4.8.
• Working knowledge of modern .NET (.NET 10) and ASP.NET Core MVC.
• Experience working with and understanding existing codebases, including debugging and troubleshooting in production environments.
• Ability to write clean, testable, and maintainable code, supported by unit testing frameworks such as xUnit, NUnit, or MSTest.
• Proficiency with Git, Visual Studio, and NuGet.
• Strong collaboration skills and ability to work effectively in a cross-functional environment.
• Strong problem-solving mindset with rigor in debugging and root-cause analysis.
• Experience with React and TypeScript.
• Basic knowledge of SQL and Entity Framework / EF Core.
• Exposure to .NET Framework to .NET migration projects.
• Familiarity with CI/CD practices and tools such as GitHub Actions and Jenkins.
• Curiosity about emerging technologies, including AI and modern developer tools.
• Demonstrated proficiency in artificial intelligence concepts, with hands‑on experience using AI tools to streamline workflows and enhance operational efficiency. Proven ability to implement AI-powered solutions to solve business challenges. Demonstrates a growing awareness of AI risk management and a commitment to responsible and ethical AI use.

Education

• Strong technical foundation built through formal education, self‑directed learning, or hands‑on professional experience.

Responsibilities

Contribute to the ongoing success of Orbis by enhancing, maintaining, and evolving high‑scale .NET applications that support critical financial decision‑making for thousands of clients worldwide.

• Maintain and support existing .NET Framework 4.8 and .NET 10 applications, ensuring their stability, reliability, and performance in production.
• Investigate, troubleshoot, and resolve bugs and production incidents by analyzing application behavior, logs, and code.
• Identify and implement performance optimizations and code quality improvements across existing applications.
• Design and deliver new features and enhancements aligned with established architecture, development standards, and business needs.
• Collaborate closely with product, design, and data teams to define and deliver impactful technical solutions.
• Ensure high-quality, maintainable code through testing, code reviews, and continuous integration practices.
• Contribute to technical documentation and actively share knowledge to support team effectiveness and application ownership.

About the Team

You’ll join the Digital Content & Innovation group at Moody’s Analytics, the engineering organization behind moodys.com and the teams responsible for delivering innovative data and technology solutions to global financial markets. The team behind Orbis manages one of the industry’s most comprehensive company information platforms, providing access to data on more than 654 million companies and entities worldwide. Our engineering teams follow a modern development model built on trunk‑based development, code‑driven CI/CD using GitHub Actions and AWS, and clear ownership through Tech Leads and Tech Owners. Engineering excellence, AI‑augmented workflows, continuous improvement, and responsible technology practices are core to how we build and operate our products.

Moody’s is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender expression, gender identity or any other characteristic protected by law. Candidates for Moody's Corporation may be asked to disclose securities holdings pursuant to Moody’s Policy for Securities Trading and the requirements of the position. Employment is contingent upon compliance with the Policy, including remediation of positions in those holdings as necessary.