825 frontend developer English-speaking jobs in Belgium

You’ll shape the frontend platform that sits at the heart of the developer experience across Openchip ... AI platform, a powerful developer platform for optimizing, deploying, and tracking AI systems. ... Soft Skills: Passion for building intuitive, powerful developer-facing interfaces. ... Optimize developer UX - not just for usability, but for clarity, transparency, and extensibility. ... Bonus: experience with agentic AI frontend.

Development of features to enhance the user experience. Building reusable code for future use. Understanding and implementation of security and data protection. Cross-platform optimisation. Design responsive applications. Participating in the design and creation of scalable software. Maintenance of code integrity and organisation.

We are now looking for a dedicated and experienced Front end Developer to join their expanding team in ... developer on the project, building and refining high-quality, performant front-end components using ... Job Profile for Front end Developer Responsibilities will include, but not be limited to: Act as a core ... issues, adhering to ADA compliance and OWASP Top 10 security principles Candidate Profile for Front end Developer

About the Role: As a Senior Vaadin Developer, you will be the bridge between this powerful technology ... What you'll do Design, develop, and optimize the Vaadin-based frontend of our core platform Collaborate ... You'll own the design and development of a modern, intuitive Vaadin-based frontend that enables customers ... quality through testing, code reviews, and continuous improvement What you bring Proven experience in frontend ... intuitive and responsive for end users Contribute to architectural decisions that shape the future of our frontend

We're hiring a Frontend Developer (UI / Interface Designer) Join a digital project focused on building ... UX/UI designs and mock-ups into clean, semantic HTML Building responsive UI solutions using modern frontend ... knowledge of Twig 3 Comfortable working in English within an Agile, international team Nice to have Frontend ... stakeholders through regular meetings and Agile ceremonies Required skills Strong experience in UI design and frontend

Stack Developer with good experience in .NET, Angular, and microservices. ... Freelance Fullstack Developer Vacancy - Long Term - HybridWe are looking for a motivated Medior Full ... This role requires both backend and frontend expertise, with a focus on delivering clean, efficient, ... Full Stack Developer.Proficiency in .NET / C# for backend development.Strong knowledge of Angular for frontend

Strong frontend development skills in TypeScript or Svelte. ... You're curious, proactive, and eager to grow — not just technically, but into a future Lead Developer ... Work from Home Budget of €150 Hospitalisation Insurance A clear career progression path towards Lead Developer ... developing, and maintaining full-stack solutions using Java on the backend and TypeScript, Angular on the frontend

Full Stack Developer (Angular / .NET / Lit)Location: BrusselsStart Date: ASAPEnd Date: 31st December ... 2026We're looking for a Full Stack Developer to join an innovative digital platform project that& ... sprint ceremonies• Review and deliver assigned user stories and technical tasks• Develop and maintain frontend ... working together to deliver modern, scalable features.This is a hands-on development role focused on both frontend ... Proven Angular (v18+) skills• Solid backend development with .NET 8• Full-stack development experience (frontend

Frontend Developer, BrusselsKey Responsibilities:Software Development : Design and develop scalable, ... Vite for fast bundling and development environment setup, ensuring rapid build times and optimal developer ... Architecture : Contribute to and implement Micro frontend architecture, ensuring seamless integration ... React Hook Form for form management and Ant Design for consistent and responsive UI design.Micro frontend ... Design for UI components and design systems.Hands-on experience in designing and implementing Micro frontend

products, primarily focusing on backend development, with occasional frontend work. ... Senior TypeScript Developer Contract, 6 months Brussels, 1 day a week on site (flexible) Mission Context ... You'll also help build Developer Portals with documentation, tooling, and best practices. ... Mission Objective: As a Senior Developer, you'll craft and deploy features across cloud-native software

Vite for fast bundling and development environment setup, ensuring rapid build times and optimal developer ... Frontend DeveloperRemote Europe-Availability to travel to Brussels office if needed(will be reimbursed ... Architecture : Contribute to and implement Micro frontend architecture, ensuring seamless integration ... React Hook Form for form management and Ant Design for consistent and responsive UI design.Micro frontend ... Design for UI components and design systems.Hands-on experience in designing and implementing Micro frontend

Your tasks:Development of front-end website architecture;Design of user interactions on web pages and development of features to enhance the user experience;Understanding and implementation of security and data protection and cross-platform optimization;Design responsive applications and design and develop APIs;Compile and analyze data, processes, and codes to troubleshoot problems and identify ar

We're looking for a Front-End Developer who can turn complex requirements into clean, intuitive,

Developer, you will join theDFIRteam withinCERT-EU, responsible for investigating and responding to ... the protection and resilience of critical digital infrastructures.We are currently seeking aSvelteKit Frontend ... institutions.In this role, you will contribute to the development of an open-source incident response frontend ... role within a highly skilled, mission-driven teamExposure to open-source development and modern frontend ... full feature coverage.Your responsibilities will include:Continuing the development of the DFIR-IRIS frontend

Responsibilities Design, develop, and maintain full-stack applications using Java (backend) and React (frontend ... We're looking for an experienced Full-Stack Developer (Java + React) to join a major organisation ... Logistics Position: Freelance Full-Stack Developer – Java & React Duration: 12-month contract (with potential ... Essential Skills & Experience Strong professional experience as a Full-Stack Developer using Java (Spring

We are seeking an expert Senior Frontend Developer to join our Data Platform team within the Defense ... In this role, you will not just build dashboards; you will architect and build the frontend foundation ... missionKey ResponsibilitiesPlatform Architecture: Architect and develop a scalable, component-based frontend ... jobs, object storage (MinIO), and complex data pipelines.System Connectivity: Seamlessly integrate frontend ... members.Troubleshooting: Independently diagnose and resolve complex issues within the platform's frontend

We are currently seeking a Full-Stack Developer to join one of our clients' teams. ... Responsibilities:  Develop full-stack applications using Node.js, Python, and modern frontend frameworks ... and deployment pipelines   Tech Environment:  Backend: Node.js, Python (FastAPI, Flask), Express   Frontend

Key Responsibilities Develop and maintain modern frontend applications using React Contribute to backend ... SII is looking for a Senior React Developer to support the ongoing Agile and digital transformation of ... company culture, supported by an international group If you are an ambitious and experienced React Developer

runway to build a tremendous experience for developers.Job DescriptionWe're looking for a passionate Frontend ... customer-facing applications at scalehave a proven experience with React, Typescript and other modern frontend ... approach, our acquisition is purely organic, and developer adoption is crucial to the success of our ... frameworks.This is a hands-on role where you'll spend your time building, improving, and maintaining the frontend ... developers have with Koyeb more engaging, intuitive, and efficient, keep readingWhat You'll Be DoingAs a Frontend

Full Stack Node.JS developer - European InstitutionAre you looking for the next step in your career? ... Implement microservices architecture using for backend functionality, ensuring seamless integration with frontend ... science ;Strong proficiency in JavaScript ;Familiarity with frameworks such as React, Angular, or for frontend