senior backend developer

Videntra is seeking a hands-on Senior Backend Engineer with strong Python experience and Scrum Master responsibilities. You will lead backend architecture across multiple products, building secure, scalable platforms and real-time systems with WebSockets and streaming updates.You will design APIs, handle content ingestion and processing pipelines, and own...

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 &...

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...

Apryse seeks a Senior PHP software engineer to develop and maintain the Xodo Sign platform, shaping new features and the overall product direction. You will work across the full stack, participate in design, testing and deployment, and continually learn new technologies to keep the solution cutting-edge.The role emphasizes high-availability systems,...

NVISO Labs is seeking an experienced Software Engineer to design and develop scalable back-end services using Python, with Azure cloud expertise. You will design APIs, integrate back-end components, and ensure secure, production-ready solutions across platforms.The role requires 5+ years as a software engineer, a Master’s degree in computer science, and...

ILIAS Solutions in Diegem, Belgium, is seeking a web developer to build modern web applications within a dynamic team. You will work on real products using Laravel and PHP, contributing to scalable systems that matter.We value ownership and a structured approach in a flexible environment. You will develop applications from the ground up, integrate APIs, and...

HIVED zoekt een ervaren backend developer in België (Leuven/Gent) voor de ontwikkeling en integratie van geavanceerde taalmodellen in klantgerichte applicaties. De opdracht start binnenkort en kent een hybride werkomgeving met gedeeltelijke kantoor aanwezigheid.Jij combineert minimaal 5 jaar Python-ervaring met kennis van LLM-integratie, Java en...

Expleo Group is seeking an experienced .NET Developer in Brussels, Belgium. You will design, develop, test, and maintain enterprise-grade applications using modern .NET technologies, collaborating with key stakeholders and ensuring top-notch code quality.Ideal candidates have 8+ years of experience in .NET development and a strong agile background. Expleo...

Medior .NET Backend Developer Role Overview We are looking for a Medior .NET Backend Developer to support the development, maintenance and continuous improvement of core business applications. You will work closely with analysts, architects and developers in an Agile/Scrum environment. Responsibilities Develop and maintain backend services and APIs using...

Appsierra Group seeks an experienced data engineer and backend developer to design, build, and maintain data pipelines and APIs for a content platform. You will work with Java, Python and Go within a modern, scalable architecture and collaborate closely with the solution architect.You will set up ELT processes, manage data integrations, and ensure data...

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...

DataCamp in Belgium is seeking a talented Senior Backend Engineer to help build integrations with B2B customer platforms, enhancing their learning catalog. The ideal candidate will have at least 3 years of experience with Typescript, NodeJS, and GraphQL, and be responsible for technical direction and integration improvements.You'll face technical challenges...

Over het bedrijfDeze grote Belgische infrastructuurorganisatie speelt een sleutelrol en beheert een uitgebreid en technisch complex netwerk. Achter de schermen zorgen performante en betrouwbare IT-systemen ervoor dat operationele processen veilig en efficiënt verlopen. Binnen deze bedrijfskritische context wordt sterk geïnvesteerd in moderne...

Expleo is seeking a seasoned software developer in Brussels to design and maintain enterprise applications using .NET technologies. With a strong collaborative culture, the role entails working closely with various stakeholders to ensure high-quality deliverables.Candidates must have at least 8 years of .NET experience and a Bachelor's or Master's degree in...

Payflip is seeking a Software Engineer with 4+ years of backend and infrastructure experience. The role emphasizes backend services and cloud infra with frontend exposure welcome but not required.You will join the Payroll squad building Payflip’s payroll engine for Belgium, designing APIs, integrating with external payroll systems, and running parts on...

Job description 💼 We're looking for a .NET Developer to join a dynamic team in Brussels on a 12-month contract. If you enjoy building robust backend solutions and occasionally getting involved in the front-end side, this opportunity is for you! 🔧 Key Responsibilities ✅ Develop and maintain backend applications using .NET / C#✅ Design and implement...

Meer dan 2000 professionals omarmen bij Smals elke dag de toekomst door zich in te zetten voor ICT for Society. Hoogtechnologische ICT-systemen zorgen voor meer efficiëntie in de belangrijke sociale verantwoordelijkheidsdomeinen van onze klanten zoals werk, gezin en gezondheid. Het eHealthplatform, een beveiligd uitwisselingsplatform voor medische...

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...

Chez Smals, plus de 2000 professionnels façonnent, chaque jour, l’avenir en s’investissant dans « l’ICT for Society ». Ces systèmes ICT de pointe permettent à nos clients de garantir des services encore plus performants dans des domaines tels que le travail, la famille et la santé. À terme, eHealth, une plateforme d'échange sécurisée dédiée...

Meer dan 2000 professionals omarmen bij Smals elke dag de toekomst door zich in te zetten voor ICT for Society. Hoogtechnologische ICT-systemen zorgen voor meer efficiëntie in de belangrijke sociale verantwoordelijkheidsdomeinen van onze klanten zoals werk, gezin en gezondheid. Het eHealthplatform, een beveiligd uitwisselingsplatform voor medische...