Backend Engineer: APIs

Nova Hunte Ltd is seeking a seasoned Python Back-End Software Engineer in Brussels for a long-term contract. You will architect server-side components, develop RESTful APIs, and optimise database schemas while ensuring security and scalability.The role requires collaboration with cross-functional teams and hands-on CNC/CD practices in cloud environments. The...

Talan Group is seeking a talented Python Developer to contribute to large-scale IT projects. You will focus on backend engineering, utilizing Python and Flask to enhance business-critical applications.Your role includes designing APIs, working with data models, and ensuring high code quality in a collaborative environment. Experience with AWS and Docker is...

Talan is seeking a Backend Engineer to contribute to a large-scale business-critical application. You will design and implement backend features using Python and Flask, translate contractual requirements into robust APIs and data models, and collaborate with stakeholders across teams.Responsibilities include data processing with Pandas and Pydantic, SQL data...

SEIDOR in Brussels is seeking a seasoned .NET Developer to design, develop and test back-end components using ASP.NET Core and EF Core. You will implement REST and event-driven APIs, ensure secure authentication, and contribute to CI/CD pipelines.You will collaborate with international teams, mentor junior developers, and help maintain API documentation...

KEYES is seeking a Backend Software Engineer (Python) to join an EU institution project in Brussels. You will contribute to designing and maintaining backend services, APIs, and cloud deployments in a multinational team.Regular onsite presence within two hours of Brussels is required, and you will collaborate with frontend, product, and security teams to...

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...

ARHS Group is seeking an experienced backend engineer to architect server-side components for scalable web applications in Belgium. You will design RESTful APIs, optimise database schemas, and ensure secure, efficient data handling while collaborating with front-end teams and product managers.The role requires strong Python with Django/Flask/FastAPI,...

SEIDOR in Brussels is seeking a Back-end Developer to join our team working with European Institutions from Brussels, remotely. You will develop backend web applications, design APIs, implement core business logic, and ensure security, performance, and scalable data storage.You will work with Java/JEE, REST and SOAP APIs, PostgreSQL, and modern DevOps tools,...

SEIDOR in Brussels is seeking an Advanced Java Developer to design, develop and test backend components using the Spring ecosystem. You will implement REST and event-driven APIs, manage persistence layers and integrate with messaging systems to power secure, scalable applications.Join a multinational tech company with a start-up spirit; you will contribute...