senior backend developer

Foxsense Innovations is seeking a Senior Software Developer (Backend) with .NET, microservices, and cloud experience. You will design, build, test, and ship high-value software, focusing on security, performance, maintainability, and scalability.Mentorship of junior engineers is encouraged. Responsibilities include contributing within agile teams, planning...

ING Belgium NV/SA is seeking a Platform Engineer to help shape the backend platform powering MADP capabilities. You will design and implement scalable services and contribute to an event-driven architecture with reusable platform components.You will define APIs, model domain data, and support CI/CD, reliability, and multi-tenant operations. Collaboration...

Sunrise Group is seeking a Backend Developer to scale its digital sleep clinic. You will build robust backend systems using Python, Django, and related tech, focusing on secure, compliant healthcare solutions. Work with product, designers, and other developers, delivering high-quality software.The role involves API development, performance tuning, and...

Editx in Belgium is seeking a Senior Full Stack Developer to join an innovative tech team. You will design, develop and maintain scalable web applications, spanning frontend and backend with APIs, while leveraging AI technologies to enhance product capabilities.You will work in a cross-functional Agile environment, collaborating with Product Owners, Scrum...

AISB-1003 Senior Technical Lead Developer – Backend - .NETABAKUS IT SOLUTIONS is looking for a Senior Technical Lead Developer – Backend to join a team developing core business applications in a challenging technical environment. You will act as the technical reference for the team, combining hands‑on development with technical leadership, coaching and...

Job descriptionEnersee is scaling its platform and we’re looking for a backend software developer to build the services, integrations, and data flows that power our energy efficiency product. Your focus is production-grade backend engineering: designing systems that reliably move data from “source → validated  → served,” and keep working under...

Jobat in Wemmel zoekt een Software Developer (starter/recent afgestudeerde) om te werken aan de volledige levenscyclus van applicaties, van concept tot livegang.Je werkt samen met collega's en klanten en focust op back-end taken in C#, .NET, Python en OpenAI. Af en toe zal je ook aan front-end werk met Angular werken. Het bedrijf biedt een platte structuur...

ARHS is seeking a Java Developer with a minimum of 3 years of experience in Java / J2EE development to join their team in Leuven, Belgium. The role involves backend and frontend development, requirements analysis, and application maintenance.The ideal candidate possesses in-depth knowledge of Java frameworks, PL/SQL, and Oracle database. Strong communication...

Pauwels Consulting is seeking a developer to join a public sector project to build a specialized web application for managing judicial appeal processes. You will work with an existing team to accelerate a data-intensive platform handling legal sessions, expert appointments, and document generation.You will translate requirements into features, implement...

Fyld in Brussels is seeking a Java BE developer to join its team of high-performance IT professionals. The ideal candidate will have a degree in Computer Engineering or a similar field and over 3 years of professional experience in Java, JavaScript, and Web Services.Fluency in English and European Citizenship are mandatory. If you are dedicated and meet our...

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...

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...

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...

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...

💫 HIGHLIGHTS Locatie: regio Machelen + hybride werken mogelijk Contracttype: vast contract in loondienst 🚀 OVER DE ROL Voor een innovatieve productorganisatie zoeken we een Senior React Native Developer die wil meebouwen aan een mobiele product suite met internationale impact. Je komt terecht in een productgedreven omgeving waar mobiele applicaties...

Senior Java Developer Voor onze partner die actief is in Digitale Media, zijn we opzoek naar een Senior Java Developer. Binnen de afdeling Digitale producten, ontwikkelt en beheert men mobiele apps, online formats, websites en online campagnes. Als Java Developer kom je terecht bij het product-team dat bouwt aan digitale beleving, je zorgt ervoor dat de...

Senior Salesforce Developer - 12 Month Contract - Hybrid - BelgiumWe are partnering with a leading consultancy seeking an experienced Senior Salesforce Developer to join a major Salesforce programme for a client within the textiles industry.This is an initial 12-month contract with a hybrid working model.This is an excellent opportunity for a genuinely...

Company DescriptionSia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We...