qa engineer backend

Lighthouse is hiring a Senior Backend Engineer in Ghent, Belgium, to build our core pricing manager system. You will develop distributed services, APIs, and infrastructure powering pricing recommendations, collaborating with data science engineers and product managers. You’ll work in a cross-functional squad across Go and Python, and use Claude Code to...

Editx zoekt een ervaren Senior Java Developer voor een partner in de digitale media. Je werkt aan moderne back-end systemen en draagt bij aan apps, websites en online campagnes. Je bent toegewijd aan kwalitatieve, geteste en betrouwbare code, werkt binnen een Scrum-team en komt minstens één keer per week fysiek bij elkaar met het team. Ervaring met Java en...

Runware is seeking a Senior Software Engineer to build and evolve the systems and APIs powering our Web App and DevEx. You’ll collaborate with backend and frontend engineers, Product and Design to deliver reliable internal and developer-facing APIs that simplify AI infrastructure. You’ll own backend work from requirements to delivery, contribute to...

About Nebius Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. About Nebius Nebius is leading a...

Lighthouse is hiring a Senior Backend Engineer in Ghent, Belgium, to build our core pricing manager system. You will develop distributed services, APIs, and infrastructure powering pricing recommendations, collaborating with data science engineers and product managers. You’ll work in a cross-functional squad across Go and Python, and use Claude Code to...

Key Responsibilities1. Platform Development & ArchitectureDesign and implement backend services supporting MADP capabilitiesContribute to an event-driven architecture (event sourcing, CQRS, messaging)Build and evolve platform-level components (not just feature-specific code)Ensure solutions are reusable, scalable, and aligned with platform principles2. API &...

Runware is seeking a Senior Software Engineer to build and evolve the systems and APIs powering our Web App and DevEx. You’ll collaborate with backend and frontend engineers, Product and Design to deliver reliable internal and developer-facing APIs that simplify AI infrastructure. You’ll own backend work from requirements to delivery, contribute to...

Rhox is developing and maintaining software for the BelRAI Vlaanderen project, supporting structured assessment and information exchange in care and health across Flanders.As an experienced Java developer, you will work on backend services and integrations built with Java, Spring Boot, REST APIs and Docker.The role emphasizes service oriented architecture,...

Cloudspirit is looking for a talented Backend Engineer to join our team in Brussels, Belgium. You will contribute to the development of scalable, business-critical applications, using your strong Python knowledge.The ideal candidate should have experience in backend development, API design, and working with large codebases. You will work closely with both...

Kwery in Gent zoekt een backend-ontwikkelaar die meedoet aan schaalbare, performante en veilige systemen. Je bouwt mee aan de back-end van ons platform en denkt actief mee over architectuur, databases en technologische verbeteringen.Je neemt ownership over technische uitdagingen en stroomlijnt processen. Je werkt aan complexe integraties met...

ENTICO ICT zoekt een ervaren Senior Back-end Developer in Brussel voor uitdagende opdrachten. Je werkt aan moderne, bedrijfskritische applicaties met .NET-ontwikkeling en Azure-Cloud, combineert hands-on development met architectuur en DevOps.Hybride werken is mogelijk, minstens twee dagen per week op locatie in Brussel. De functie vereist minimaal 10 jaar...

Ami Connect zoekt een Senior .NET Engineer in Leuven om mee te bouwen aan cloudgebaseerde platforms voor digitale artikels en personalisatie. Je bent verantwoordelijk voor backend-architectuur en technische keuzes en coacht het engineeringteam.Je werkt nauw samen met Product, Customer Success en andere engineers aan ontwerp, bouwen, testen en uitrollen, met...

Clutch Canada is looking for a Backend Developer for their Platform team in Belgium. This role involves designing and maintaining APIs, collaborating with cross-functional teams, and making product decisions in a fast-paced environment. Ideal candidates will have strong experience in backend development, particularly with TypeScript/Node.js and cloud...

Jobat is op zoek naar een ontwikkelaar voor het team dat verantwoordelijk is voor de verdere ontwikkeling van backend-applicaties in .NET. De rol vereist een nadruk op performance, testing en clean code en biedt de mogelijkheid om bij te dragen aan de strategische richting van het team.Als onderdeel van een ervaren Nederlandstalig team krijgt je de kans om...

An international consulting group in Brussels is seeking an Experienced .NET Developer to join their team. This role involves designing, developing, and maintaining backend systems for IT projects, utilizing .NET Framework and .NET Core. The ideal candidate should have at least 5 years of experience in C#, and proficiency in Azure services, as well as strong...

Jobat zoekt een backend developer voor de core van ons SaaS-platform. Je ontwikkelt en optimaliseert schaalbare, performante en veilige backendfunctionaliteiten met een sterke focus op Java en Spring. Je bouwt nieuwe features, verbetert architectuur en dataverwerking en denkt actief mee over technische keuzes.Daarnaast ontwikkel en onderhoud je API’s en...

ENTICO ICT is seeking an experienced backend engineer to design and implement scalable services and APIs using .NET Core. Blazor is optional. The role emphasizes Azure-based architecture, including App Insights, Event Grid, and MassTransit, with a focus on secure, well-governed solutions.You will work with REST APIs, OData, and API versioning, applying...

Key Responsibilities1. Platform Development & ArchitectureDesign and implement backend services supporting MADP capabilitiesContribute to an event-driven architecture (event sourcing, CQRS, messaging)Build and evolve platform-level components (not just feature-specific code)Ensure solutions are reusable, scalable, and aligned with platform principles2. API &...

PostgreSQL Database Administrator / Backend Engineer We are seeking an experienced PostgreSQL Database Administrator to support a large-scale biometric identification platform and contribute to the modernization of critical IT systems. The role combines database administration, backend development, and infrastructure automation within a secure and...

Would you like to join the leading international intergovernmental organization? This is not a traditional backend engineering role focused solely on APIs and server-side logic. Instead, you will operate at the intersection of data engineering, data science, business intelligence, and software development—building and maintaining the full data lifecycle,...