185 frontend developer English-speaking jobs in Brussels

Curiosity about emerging technologies (AI, infrastructure, developer tools). ... Strong proficiency in TypeScript for both frontend and backend development. ... at scale Deliver full-stack features across a modern TypeScript ecosystem (React + Module Federation frontend

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 ... Experience with TypeScript and React, or another modern frontend framework with a willingness to learn

#39;ll be doing Designing, building, and scaling core features of their SaaS platform Developing the frontend ... Senior Software Engineer in a product-driven environment Deep knowledge of React and TypeScript on the frontend

Investigate and resolve performance issues and communication gaps between frontend and backend. ... driving technical evolution, resolving performance issues, and ensuring seamless communication between frontend

Strong background in enterprise-grade application architecture Solid experience with React and modern frontend ... technology stacks aligned with enterprise and regulatory needs Design and develop highly secure backend and frontend

software that matters, contributing hands-on to features and improvements across a .NET backend and React frontend

coding skills (mandatory) Automation testing with Selenium & Cucumber Backend testing only (no UI / frontend

Ideally, you have proven experience in all parts of the fullstack spectrium: frontend, backend, infra ... Proficiency with most of our core technologies Strong mastery & knowledge in a certain domain (e.g backend, frontend

Senior .NET Developer – Permanent Package (CDI) | Hybrid (2 days on site – Brussels) For a well-established ... Belgian investment company, I'm recruiting a Senior .NET Developer to join an in-house IT team on ... Senior .NET Developer – Role & Responsibilities • Design, develop and maintain .NET / C# applications ... performance and security • Work within a stable, experienced internal development team Senior .NET Developer ... and business-oriented • Experience in real estate or finance is a plus (not mandatory) Senior .NET Developer

Developer Consultant Coldfusion (DEV) – Brussels For an EU agency in Brussels, we are looking for a Developer

Develop all application's secure components (backend and frontend).

, and Python.Strong full-stack development skills, including API design, database optimization, and frontend

Proficiency in modern frontend frameworks (Vue, React or similar) and design systems or component libraries ... / Qualifications Proven experience building full stack web applications with strong command of both frontend

Senior .Net Developer Job Overview Seeking a senior software developer to contribute hands-on to a cloud-based ... Kafka Azure Kubernetes Service (AKS) Redis Protobuf, MessagePack Profile Expected Senior software developer

Developer to join a high-visibility Agile environment in Brussels. ... Freelance Java Back-end Developer – Brussels We are looking for an experienced Freelance Java Back-end ... Your mission As a senior back-end developer, you will: Maintain and further develop existing Java applications ... to long-term collaboration within a team Location: Brussels Contract: Freelance Role: Java Back-end Developer ... reviews, refactoring and CI/CD practices Your profile Minimum 4 years of relevant experience as a Java Developer

Nice to have Experience with user research and usability testing; Basic frontend knowledge (HTML/CSS ... Maintain a consistent, thoughtful, and high-quality product experience across the application; Support frontend

both Android and IoS [must have] 3+ years of experience in web development using Angular/JavaScript (frontend

Senior Python Software Engineer – AI Integrations Industry: AI / Developer Platforms / Distributed SystemsLocation ... You'll focus heavily on API ergonomics, developer experience, and reliability, while working on genuinely ... with asyncio, type hints, and PydanticProven background building and maintaining SDKs, libraries, or developer ... standardsMulti-language experience (TypeScript, Go, Rust, Elixir)Contributions to open-source AI or developer ... LangGraph, Pydantic AI, AutoGen, or similarStrong API design instincts with a focus on usability and developer

experience with Python and Django for backend developmentProficiency in React and TypeScript for modern frontend

for a skilled Sitecore Developer with a minimum of 5 years of experience. ... Job Overview: Sitecore Developer For our client active in the rail transportation sector, we're looking