senior backend software engineer

About CorilusCorilus is the leading provider of digital solutions for healthcare professionals in Belgium, with over 30 years of experience building software for doctors, pharmacists, nurses, and care coordinators. Today, we serve more than 70,000 healthcare professionals.Corilus is the leading provider of digital solutions for healthcare professionals in...

We’re looking for a Senior Mainframe Software Engineer with strong hands-on development experience who can also design and implement scalable solutions. You’ll work across complex mainframe systems, own features end-to-end, troubleshoot production issues and contribute to modernisation and automation initiatives. Requirements Strong Software...

OpportunityHybrid (2 days on-site) · Permanent, full-timeAbout the roleOffline, air-gapped installations for NATO customers mean your API versioning and backward-compatibility decisions are not technical hygiene, they are the difference between a fleet that can operate and one that cannot. The backend services you design and maintain run in constrained,...

Payflip is seeking a Software Engineer with 4+ years of backend and infrastructure experience to join our Payroll squad. The role emphasizes building a greenfield backend service and robust APIs, with frontend work welcomed but not the focus. You’ll collaborate with product managers, engineers, and our CTO to deliver on an exciting product roadmap and own...

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...

Editx in Gent zoekt een ervaren Senior Java Developer om een schaalbaar en veilig fintech platform mee te bouwen. Je werkt aan back-end architectuur en dataverwerking, met aandacht voor performance en security. Je komt terecht in een kleinschalig, sterk team waar jouw ideeën tellen en een informele werksfeer en goede work-life balance centraal staan. Je...

Fieldside zoekt een Senior Freelance JAVA Backend Engineer in Brussel met remote mogelijkheid, voor een lange termijn opdracht. Je werkt in een cross-functioneel Agile-team aan het bouwen van schaalbare backenddiensten en API’s voor digitale producten. Je hebt 8+ jaar ervaring met Java, API-design, en CI/CD, en bekwaam in cloud-native omgevingen....

Ausy Belgium zoekt een Senior Backend Engineer die deel uitmaakt van een cross-functioneel agile team en meewerkt aan betrouwbare, schaalbare oplossingen voor miljoenen gebruikers. Je vertaalt complexe productnoden naar technische architecturen en API-contracten, coacht collega’s en deelt backendexpertise om het hele team naar een hoger niveau te tillen....

life Power is seeking a senior Backend Engineer to own core backend and IoT integration across our platform in a fast-growing energy company. You will work across Node.js/TypeScript, AWS, and timeseries data stacks to deliver scalable services and secure APIs. You will collaborate with cross-functional teams, design with domain-driven patterns, and help push...

Payflip is seeking a Software Engineer with 4+ years of backend and infrastructure experience to join our Payroll squad. The role emphasizes building a greenfield backend service and robust APIs, with frontend work welcomed but not the focus. You’ll collaborate with product managers, engineers, and our CTO to deliver on an exciting product roadmap and own...

Altia seeks a Back-End Software Engineer to join a multinational team delivering enterprise applications for a major European agency. You will design and implement scalable services using Java, Spring Boot, CQRS/Saga patterns, and microservices in AWS-cloud environments. Required: 12+ years IT experience, strong Java/J2EE background, APIs (OpenAPI/Swagger),...

Ausy Belgium zoekt een Senior Backend Engineer die deel uitmaakt van een cross-functioneel agile team en meewerkt aan betrouwbare, schaalbare oplossingen voor miljoenen gebruikers. Je vertaalt complexe productnoden naar technische architecturen en API-contracten, coacht collega’s en deelt backendexpertise om het hele team naar een hoger niveau te tillen....

EasyPost is a hands-on Senior Software Engineer role focused on building and operating a secure document-delivery platform. You will own features from design to production, driving backend and cloud engineering. You will collaborate with the team lead, product management and peers to shape architecture, evaluate trade-offs and craft practical designs for...

Showpad is seeking a Senior Backend Engineer to join an AI-focused team in Ghent. You will build serverless, event-driven systems and APIs that integrate with third-party services, shaping features powered by AI to enhance sales workflows. You will drive technical and product decisions, design scalable microservices, and collaborate with teams in a...

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...

Twenty8 is seeking an experienced Senior DevSecOps Engineer / Back-End Developer with release management expertise to support a prestigious European Institution in Brussels. The role focuses on coordinating releases, building CI/CD pipelines in GitLab, and securing deployments across AWS/Azure environments. You will work in a hybrid setup, administering...

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...

EasyPost is a hands-on Senior Software Engineer role focused on building and operating a secure document-delivery platform. You will own features from design to production, driving backend and cloud engineering. You will collaborate with the team lead, product management and peers to shape architecture, evaluate trade-offs and craft practical designs for...

Showpad is seeking a Senior Backend Engineer to join an AI-focused team in Ghent. You will build serverless, event-driven systems and APIs that integrate with third-party services, shaping features powered by AI to enhance sales workflows. You will drive technical and product decisions, design scalable microservices, and collaborate with teams in a...

Fieldside zoekt een Senior Freelance JAVA Backend Engineer in Brussel met remote mogelijkheid, voor een lange termijn opdracht. Je werkt in een cross-functioneel Agile-team aan het bouwen van schaalbare backenddiensten en API’s voor digitale producten. Je hebt 8+ jaar ervaring met Java, API-design, en CI/CD, en bekwaam in cloud-native omgevingen....