Senior .NET Backend Engineer – REST APIs

A global consulting firm is seeking an experienced .NET Developer to join its team in Brussels. In this role, you will design, develop, and maintain backend systems and APIs using the .NET Framework and .NET Core. You will work closely with other IT professionals to deliver high-quality software solutions while ensuring code quality through best practices. A...

ITproposal in Brussels is seeking a Technical Lead Backend Developer to lead a development team while contributing hands-on backend work on core business applications. You will ensure secure, scalable, and maintainable solutions and drive engineering excellence.You will shape coding standards, mentor engineers, oversee CI/CD and DevOps, and collaborate...

Keystone Solutions is seeking a Senior Backend .NET Developer for a client-site consultancy in Brussels. You will develop core business applications, create REST services with .NET Framework and .NET 8+, and manage SQL Server and Oracle databases.Apply SOLID principles, participate in code reviews, and work in an Agile/Scrum environment with Azure DevOps,...

An international consulting group is seeking a dedicated professional to design and maintain backend services and APIs using .NET technologies. The ideal candidate will have at least 5 years of experience in .NET development, particularly with REST APIs and Azure Cloud services. Proficiency in English and either French or Dutch is required. Candidates should...

Itproposal seeks a skilled .NET Software Engineer to join a multidisciplinary Agile team within a large public-sector environment. You will contribute to digital products with a significant impact on social security and healthcare services, delivering high-quality software in short, iterative cycles.You will collaborate with Product Managers, Solution...

An organisation is extending and maintaining its core business applications across a backend estate that combines .NET Framework, .NET 8+, ASP.NET MVC, WebForms, RESTful API services, WCF, XML and JSON. This senior backend .NET developer role focuses on translating business requirements into maintainable services and application changes, using .NET Core and...

Mission Overview Keystone Solutions is seeking a Senior Backend .NET Developer for a consultancy mission at a client site. In this role, you will be responsible for the development of core business applications, working on dynamic projects that offer a variety of challenges across different client environments. Key Responsibilities Understand and interpret...

We are looking for a Senior Backend Software Engineer to help build the backend foundation. This role is focused on designing and developing robust backend services, APIs, and application logic, while also helping integrate our computational engine into a modern SaaS platform. You will work closely with front-end developers, infrastructure/DevOps engineers,...

EnergyVision zoekt een Senior Backend .NET Developer om ons platform verder uit te bouwen. Je werkt aan C#/.NET Core services, Windows- en web-interfaces en draagt bij aan schaalbare oplossingen die de energietransitie versnellen.Je ontwerpt en implementeert robuuste systemen met MVVM/TDD/DDD, creëert API-clients en servers via gRPC/REST/SOAP en ondersteunt...