backend engineer nodejs

Marple is a startup in Antwerp that builds cloud‑based software for time series data. We are looking for a backend engineer who thrives on hard problems and takes ownership of features from idea to implementation.You will work in a team that values code quality, regular reviews, and practical solutions. Expect a full‑time role with three days per week in...

Spott is seeking a Forward Deployed Engineer to embed with our largest customers, understand their workflows in detail, and build what they need directly into our AI-native recruitment platform.You will work hands-on with TypeScript and Node.js, developing integrations, data migrations, and customer-specific solutions, and you will bridge product and...

Appsierra Group in Belgium seeks a software engineer to join a team building AI-driven solutions compliant with Elia's standards. The candidate should have strong knowledge of AI agent creation, LLM, MCP, A2A, and RAG DB, with backend experience in Python, FASTAPI, and API development.Frontend skills include React and UI development with JavaScript and CSS,...

Ben jij een gedreven software engineer die graag bouwt aan slimme, veilige en future-proof IoT-oplossingen? Wil jij een directe impact hebben op innovatieve systemen die wereldwijd in de agrisector worden ingezet? Dan is deze functie iets voor jou. Over de rol Als R&D Backend & Algorithm Software Engineer ontwikkel je de backend-logica en controle-algoritmen...

Roxell zoekt een gedreven R&D Backend & Algorithm Software Engineer om backend-logica en controle-algoritmen te ontwikkelen voor IoT-gestuurde installaties. Je werkt aan software die draait op embedded Linux controllers en vertaalt user stories naar betrouwbare, onderhoudbare en veilige oplossingen.Je krijgt eigenaarschap over je componenten, van design en...

💻 Senior Backend Developer (IoT / Digital Identity) 🌐 🌍 Now partnering with a leading company on a cutting-edge IoT project! 📍 Remote — anywhere in the EU region | ✈️ Occasional travel to Belgium required | 📅 Start: Mid-September | 🗣️ English Are you a seasoned backend engineer with deep expertise in decentralized identity,...

Tether.io is looking for a Senior Software Engineer to design, build, and scale backend systems for tokenization infrastructure. The role involves working with distributed systems and blockchain integrations in a fast-paced environment.The ideal candidate will have 5+ years of experience in backend engineering with strong Node.js skills. Responsibilities...

Soda is hiring a Senior Full-Stack Engineer focused on the backend, owning the Java services that power Soda Cloud and the underlying AWS/Kubernetes infrastructure. You will design scalable services, ship end-to-end features, and ensure production reliability across multi-tenant customers.As a product engineer, you’ll collaborate with PMs and users,...

Marple, a startup based in Antwerp, Belgium, is seeking a Backend Engineer to build high-performance time-series data systems.You will work full-time, spend 3 days per week in the Antwerp office, and solve hard coding problems while shipping features to customers across the EU.You should enjoy fast prototyping, code reviews, and owning features from idea to...

Appsierra Group in Belgium seeks an experienced Python backend developer to drive design, implementation, and optimization of scalable services using FastAPI and AsyncIO. You will collaborate with product owners, data engineers, and IT operations to gather requirements and deliver robust backend systems.You’ll mentor peers, participate in code reviews,...

MEERAB GROUP in Belgium is seeking an experienced Python backend engineer to develop and optimize Python-based software applications. You will collaborate with stakeholders to gather requirements and define specifications, and address service requests with customers.The role emphasizes code quality, testing, CI/CD, and mentorship of junior developers. You...

Hysopt, located in Antwerp, is seeking a skilled Java backend developer to join their innovative R&D team. You will be responsible for developing APIs and business logic in a dynamic environment, using modern technologies such as Java and Spring Boot.The ideal candidate has a Master's in Computer Science and at least 3 years of experience, with a solid...

Software Developer (Backend SaaS) at CanonicalCanonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's...

Lowi zoekt een Senior Backend Developer die hands-on meewerkt aan het AI-platform en significante bijdragen levert aan de technische kwaliteit. Je bouwt robuuste en schaalbare backend‑componenten en zorgt dat wat je oplevert production-ready is.Je werkt nauw samen met het developmentteam om product- en businessdoelstellingen om te zetten in werkende...

ING is seeking a Backend Java Engineer to design, build, and maintain scalable backend services and APIs that power customer onboarding and data processes.You'll collaborate with frontend, architects, analysts, and DevOps, applying AI-powered development tools and modern cloud-native practices. The role emphasizes clean, well-tested code, RESTful APIs, and...

Jobtailor in Belgium seeks a skilled backend engineer to deliver high-quality software from analysis to production. You will write clean Python/Django code, build scalable distributed systems, and optimize PostgreSQL schemas.You’ll own asynchronous messaging with RabbitMQ/AMQP, ensure idempotent operations, and participate in design discussions. You will...

Editx in Beveren zoekt een Senior .NET Engineer met een sterke backend-focus binnen het Microsoft-ecosysteem. In deze rol werk je aan de modernisering van legacy applicaties en neem je ownership over platformonderdelen.Je ontwikkelt en onderhoudt backend web- en API-oplossingen en denkt mee over architectuur. Samenwerking met frontend developers is cruciaal...

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible...

Als Senior Java Backend Developer werk je mee aan de AI Matching Engine die vacatures en kandidaten koppelt. Je bouwt, implementeert en onderhoudt de software en ondersteunt klanten. Je werkt in een dynamische scale-up omgeving.

Als Senior Java Backend Developer werk je mee aan de AI Matching Engine die vacatures en kandidaten koppelt. Je bouwt, implementeert en onderhoudt de software en ondersteunt klanten. Je werkt in een dynamische scale-up omgeving.