539 backend developer English-speaking jobs in Belgium

Experience integrating with backend APIs and working in multidisciplinary, agile teams. ... Collaborate with product managers, designers, and backend teams to define, design, and ship impactful ... of projects, mentor other engineers, and collaborate closely with product managers, designers, and backend ... Integrate seamlessly with backend APIs and headless CMS platforms such as DatoCMS, optimizing for reliability

SAP ABAP Developer – Freelance (Brussels, Belgium) For a customer within the pharmaceutical and life ... sciences sector, we are looking for an SAP ABAP Developer to join on a long-term freelance basis.

Backend & Platform Experience building backend systems and APIs using technologies such as: PHP REST ... You will work across frontend and backend, building features, investigating technical issues, improving ... Support the CTO in designing and evolving our product architecture across the frontend, backend, and ... Responsive & adaptive design Frontend performance Integrating frontend applications with backend APIs ... Monitor and improve the performance and reliability of the platform, including frontend performance, backend

We're looking for a front-end developer to join our team at Option5.

Your Role As a Developer at Bingoal, you will be responsible for the discussion, design and development ... Bingoal is a dynamic, international and ambitious company looking for passionate experienced Full-Stack Developer

Senior Front-End Engineer to own and evolve the React-based architecture of a SaaS fintech platform. Collaborate with CTO on technical strategy, lead architectural decisions, and mentor developers.

Software Engineer/Computer Scientist to develop a cloud-based GenAI platform for high-fidelity flow simulation. Responsibilities include designing, building, and maintaining the platform, developing agentic AI models, and staying current on AI & CAE advancements. Requires strong Python skills, experience with cloud infrastructure, user interface design, and LLM ecosystems. PhD or MSc in a relevant field is required.

experience in software engineering Proven experience as Software Architect or Technical Lead Strong Java backend

Hands‑on background in one primary domain (e.g., backend with APIs and services,OR frontend with modern ... Responsibilities Build, lead, and retain high‑performing engineering teams across one or more domains (backend ... as an EngineeringManager or Senior Tech Lead, delivering production systems in one or more domains (backend

provide a collaborative environment for innovation across industries including cloud, edge, AI, and developer ... This role offers exposure to large-scale open source systems, modern backend and frontend technologies

As a Senior Backend Software Engineer, you will play a pivotal role in driving the development and enhancement

event-driven Java services, operating at scale and integrating with both modern platforms and legacy backend

GenAI, or agentic systems) beyond experimentation Experience delivering end-to-end applications (API, backend

experts and product teams to translate real-world constraints into deployable algorithms Developing backend

Are you an experienced Full Stack .NET Developer with a strong interest in software development?

We have an opportunity for a Senior Full-Stack Developer who will join a European Institution in Brussels

Are you a senior Azure Integration Services Developer who enjoys more than just building integrations ... As an Azure Integration Services developer, you'll dive into designing, building, and fine-tuning

  - Contribute to the development of our backend services. ... Our stack   - Frontend: TypeScript, React, Tanstack Query, Emotion, Styled components  - Backend: NodeJS ... With a cloud-native backend at its core, SmartAccess integrates wearables, mobile apps, and web applications

What you’ll do Architect and build backend services that power our compensation engine and real-time ... You’ll be working with: Node.js TypeScript Prisma ORM Redis BullMQ React-router (as context for how backend

What You’ll Do 1️⃣ Build the Anti-Cheat Application Layer (POC First) Develop backend services (Node.js ... You will work closely with the Data / Anti-cheat team and integrate detection outputs into scalable backend