154 backend developer English-speaking jobs in Brussels

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Our client, a major player in the banking sector, is looking for a Senior Fullstack Developer to join ... As a Senior Developer, you will be involved in the full application lifecycle: Design, develop, and maintain ... applications, particularly in environments related to digital channels, transactional systems, and backend ... robust, scalable, and high-performance applications (frontend & backend) Translate business requirements ... will also play a key role in team dynamics by: helping raise the overall technical level of the team Backend

Frontend Developer | React.js | TypeScript | Node.js Experience Required 5+ years Overview A dynamic ... is ideal for a frontend-focused engineer with strong JavaScript/TypeScript expertise and sufficient backend ... React.js Experience with styled-components Experience with React Native Strong TypeScript skills Node.js backend ... Contribute to architectural discussions around micro frontends and distributed systems Develop and integrate backend ... language skills Experience in banking or financial services AWS cloud experience (S3, DynamoDB, RDS, EKS) Backend

Frontend Developer | React.js | TypeScript | Node.js Experience Required 5+ years Overview A dynamic ... is ideal for a frontend-focused engineer with strong JavaScript/TypeScript expertise and sufficient backend ... React.js Experience with styled-components Experience with React Native Strong TypeScript skills Node.js backend ... Contribute to architectural discussions around micro frontends and distributed systems Develop and integrate backend ... language skills Experience in banking or financial services AWS cloud experience (S3, DynamoDB, RDS, EKS) Backend

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based ... Responsibilities include creating backend services, AI agent features, frontend components, and DevOps ... Key Responsibilities Architect and develop backend services and AI agent features using Python, FastAPI

Frontend developer | React.JS | TypeScript | Node.js Experience required 5 years Overview A dynamic digital ... is ideal for a frontend-focused engineer with strong JavaScript/TypeScript expertise and sufficient backend ... React.JS Experience with styled-components Experience with React Native Strong TypeScript skills Node.js backend ... Contribute to architectural discussions around micro frontends and distributed systems Develop and integrate backend ... language skills Experience in banking or financial services AWS cloud experience (S3, DynamoDB, RDS, EKS) Backend

We are seeking a Developer to design and deliver cloud‐native, event‐driven microservices using Java, ... Required Skills & Experience Core Backend Strong hands‐on experience with Java, Spring, Spring Boot. ... Minimum 10 years experience in front and backend development Very good expertise in Angular 14+ framework

Key Responsibilities Design, develop, and maintain modern backend applications and APIs Contribute ... Senior Application Developer – Microservices & Kubernetes Environment We are looking for a Senior Application ... Developer to support a major enterprise modernization program focused on transforming a legacy platform

We are seeking a Developer to design and deliver cloud‑native, event‑driven microservices using Java, ... Core Backend Strong hands‑on experience with Java , Spring , Spring Boot . ... Minimum 10 years experience in front and backend development Very good expertise in Angular 14+ framework

We are seeking a Developer to design and deliver cloud‑native, event‑driven microservices using Java, ... Core Backend Strong hands‑on experience with Java , Spring , Spring Boot . ... Minimum 10 years experience in front and backend development Very good expertise in Angular 14+ framework

We are seeking a Developer to design and deliver cloud‑native, event‑driven microservices using Java, ... Core Backend Strong hands‑on experience with Java , Spring , Spring Boot . ... Minimum 10 years experience in front and backend development Very good expertise in Angular 14+ framework

We are seeking a Developer to design and deliver cloud‑native, event‑driven microservices using Java, ... Core Backend Strong hands‑on experience with Java , Spring , Spring Boot . ... Minimum 10 years experience in front and backend development Very good expertise in Angular 14+ framework

Contributions and active participation to open source, tech talks, blogs or developer communities. ... What you bring Core Engineering: Strong experience in backend engineering (Java) and familiarity with ... What You'll Do Architect and implement backend (or fullstack) solutions, integrating AI models and services

This is a consultancy mission at a client site, where you will represent Keystone Solutions as an IT Developer ... Designing, building, and maintaining high performance, reusable, and reliable applications, with a focus on backend

For Frontend (BFF) in Node.js • Backend services in .NET • Frontend applications in Mendix You ... will collaborate closely with frontend and backend developers, business analysts, testers, and architects ... Design and implement new technical solutions aligned with the target architecture • Contribute to backend ... contribute to the migration of our existing PHP-based intranet toward a modern architecture based on: • Backend ... For Frontend (BFF) architecture • Good knowledge of .NET / C# and modern backend development practices

using Pydantic AI Integrate LLMs (Claude, Gemini, OpenAI) into customer-facing features Building robust backend ... They're looking for Strong experience as an AI Engineer or in a similar role working with AI agents Solid backend