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# Software Engineer .NET C

- **Company:** Rydoo
- **Location:** Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Agile Methodology, Amazon Web Services, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), DevOps, Entity Framework, Microsoft SQL Server, NHibernate, Service-Oriented Architecture, Large Language Models, Infrastructure as Code (IaC), Backend, AngularJS, Information Technology, Restful APIs, Microservices
- **Published:** September 5, 2026
- **Apply:** https://startup.jobs/senior-software-engineer-net-c-rydoo-2-7687688

## About the Role

* Several years of experience with backend development.
 * Excellent knowledge of .NET, C#.
 * Good knowledge of Entity Framework (or any ORM like NHibernate), SQL Server or similar.
 * A team player with a passion for writing clean and testable code within a cross-functional team.
 * Experience in optimising the performance and scalability of applications to support our ever-growing user base.
 * Experience with Service Oriented Architecture using Service Bus to connect everything is a plus.
 * Knowledge of Azure Cloud (or AWS, GCP) is a plus.
 * Some experience with Angular is a plus, but having the curiosity and willingness to learn front-end technologies is also much appreciated.
 * Agile and DevOps experience is a plus.
 * Experience with LLMs is a plus.
 * Ability to stay up-to-date with industry trends, best practices, and emerging technologies to continuously improve our development processes and drive innovation.
 * A degree in computer sciences or a related field is preferred, but any equivalent experience is just as valuable., Even if you don't tick every box but see yourself contributing, we encourage you to apply. We're more interested in finding a well-rounded individual with a can-do attitude. Your passion, dedication and desire to learn are what matter most to us.

## Description

At Rydoo, we build smart, simple solutions that help people spend less time on expenses and more on what matters.

As a Senior Software Engineer, you will:

 * Work in one of our squads, a cross-functional, autonomous team.
 * Shape the core of our product - designing and extending systems that make expense management faster and smarter for thousands of users worldwide.
 * Bring valuable features into production and follow up on their performance and maintenance.
 * Design and implement REST APIs.
 * Contribute on some front-end features.
 * Help architect several of our microservices.
 * Design and write automated tests.
 * Setup infrastructure and pipelines via Infrastructure as Code (IaC).


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