senior backend software engineer

Design 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 principlesAPI & Integration DesignDesign and implement robust, versioned...

We are looking for a 5 Senior Java Backend Developers / Integration Engineers to strengthen the team working in pharma sector, a strategic integration platform in the healthcare ecosystem. This role is ideal for someone who enjoys building reliable backend services, secure APIs, event-driven integrations, and cloud-connected data flows in a modern Java...

Sofico NV in Ghent, Belgium, is seeking a Senior Backend Engineer to help build the SOFICO AI Cloud and the Miles Enterprise Agentic Platform. You will design and implement reliable distributed workflows, deep-dive into backend services, and collaborate across teams.You’ll work with Java/Quarkus, Python and modern tooling to ensure scalability,...

Fusit, a fast-growing Belgian SaaS company based in Brussels, seeks a Senior Software Engineer with a backend and infrastructure focus to build a greenfield payroll engine and reliable integrations with external payroll systems.You will design robust backend APIs and data models, develop integrations with third-party and legacy systems, and manage Azure...

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...

Why SOFICO? At SOFICO, we’re shaping the future of mobility — and we’re doing it together. Our software, Miles, is a leading platform that enables companies worldwide to manage their leasing, fleet and mobility operations in one integrated system. Now we're expanding our Data & AI organisation and building the SOFICO AI Cloud, the platform underpinning...

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...

Sofico is seeking a Senior Backend Engineer to help build a distributed workflow platform that connects Miles with the SOFICO AI Cloud. You will tackle long-running processes, ensure reliability across failures, and drive integration with Java/Quarkus services and AI components.From our Ghent office, you’ll work hybrid with flexible hours, shaping...

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...

Software Engineer - Java Backend (m/f/d) Ghent, Belgium Why SOFICO? At SOFICO, we’re shaping the future of mobility - and we’re doing it together. Our software, Miles, is a leading platform that enables companies worldwide to manage their leasing, fleet, and mobility operations in one integrated system. Every day, we help our customers work smarter, more...

Over de Rol Bij Lemon geloven we dat de beste software oplossingen voortvloeien uit diverse perspectieven. Ben jij een Senior Software Engineer die klaar is om technisch leiderschap te tonen en een cruciale impact te maken? Je neemt de leiding in het ontwerpen en implementeren van complexe, schaalbare en kwalitatieve oplossingen. Je fungeert als een...

Smarterminds is seeking a Senior Embedded Software Consultant to support clients in the Benelux region from Belgium. The role offers hybrid work arrangements and a competitive Belgian social security benefits package, with potential for an end-of-year bonus. Candidates should have 6+ years in embedded software, strong Embedded C/C++, AUTOSAR OS experience,...

Binnen Digital Channels werk je aan toepassingen die rechtstreeks impact hebben op de digitale ervaring van KBC-klanten. Als Senior Java Software Engineer versterk je in eerste instantie het team Security, Logon & Enrollment, dat instaat voor veilige toegang tot onze digitale toepassingen.Je bouwt mee aan oplossingen voor authenticatie, identificatie en...

Wat houdt deze vacature in? Binnen Digital Channels werk je aan toepassingen die rechtstreeks impact hebben op de digitale ervaring van KBC-klanten. Als Senior Java Software Engineer versterk je in eerste instantie het team Security, Logon & Enrollment, dat instaat voor veilige toegang tot onze digitale toepassingen. Je bouwt mee aan oplossingen voor...

Mercor is seeking a senior software engineer for an expert, US/Europe-based role on a highly challenging project with a leading AI lab. The candidate should commit around 20 hours per week and is expected to contribute to an engagement lasting 2–3 weeks, with potential opportunities on future projects.Applicants should have 10+ years of experience at top...

Alpaflow SRL seeks an enthusiastic mind to develop and integrate complex software stacks for industrial clients. You will design and ship data processing products, manufacturing systems or IoT solutions, collaborating across teams to deliver robust software. You should have a Master's degree in engineering or computer sciences and 5+ years of experience...

XFA is seeking a Senior Software Engineer to design, develop, and maintain secure, scalable software for its cybersecurity platform. You’ll collaborate with founders and product teams across backend, desktop, and mobile apps, with a hybrid work model in Antwerp, Belgium. The role offers growth into technical leadership, exposure to AI-assisted development,...

Nebius is seeking a Senior Software Engineer to join the Capacity and Quota Management team, the control plane that decides who gets compute, when, and how much. You will own the evolution of this critical backend system and help shape scalable distributed services. You'll work with a modern Python stack, microservice architectures, and distributed...

TechWolf is seeking a Senior Software Engineer to join our Integrations team in Ghent, Belgium. You will build and maintain scalable serverless Python microservices on AWS and guide fellow engineers through design decisions and best practices. You will collaborate with cross-functional teams to translate requirements into robust integration solutions with HR...

Alpaflow SRL seeks an enthusiastic mind to develop and integrate complex software stacks for industrial clients. You will design and ship data processing products, manufacturing systems or IoT solutions, collaborating across teams to deliver robust software. You should have a Master's degree in engineering or computer sciences and 5+ years of experience...