backend

Mission Overview We are seeking a Scale-up Full-Stack DevOps Consultant who is passionate about clean Python code, scalable cloud setups, and thrives on the freedom to build things right. In this consultancy mission at our client site, you will help shape core architecture, implement practical AI automation, and work in a team that prioritizes real trust...

Design and implement AI-powered applications using LLMs, RAG, and agentic workflow patterns. Build backend services, APIs, and integrations needed for AI-centric applications. Design and improve retrieval pipelines, including chunking, embeddings, vector search, hybrid search, metadata filtering, and reranking. Work with LLM APIs and AI orchestration...

Contribute to the major transformations of companies and public actors by combining technological innovation and business expertise, serving our society and customers to help them move forward sustainably.Your responsibilities for this function :We are looking for a Senior Full‑Stack Java Developer to join our client’s development team and take a key...

About UBQ.ioUBQ.io is a global technology service provider dedicated to building a more sustainable, independent, and equitable future. We partner with global companies across industries, including AI, blockchain, software, biotech, and education, to transform bold ideas into real, meaningful solutions.Our expertise spans technology consulting, AI and...

A Belgian public-sector technology organisation develops and maintains digital services for child health, prenatal support and vaccination programmes in French-speaking Belgium, including Wallonia. Within this junior Java and Angular developer role, you will contribute to DOMES, Prénatal and e-VAX applications used by public-service professionals, working...

You are an experienced frontend developer who enjoys turning product ideas into polished, reliable web applications? You like working close to users, product, design, and backend engineers — not just receiving tickets and writing code? Rock.estate is looking for a Frontend Engineer to help us build the applications used by banks, insurers, real-estate...

Mission OverviewWe are seeking a Scale-up Full-Stack DevOps Consultant who is passionate about clean Python code, scalable cloud setups, and thrives on the freedom to build things right. In this consultancy mission at our client site, you will help shape core architecture, implement practical AI automation, and work in a team that prioritizes real trust over...

Mission Overview: We are seeking a Scale-up Full-Stack DevOps Consultant who is passionate about clean Python code, scalable cloud setups, and thrives on the freedom to build things right. In this consultancy mission at our client site, you will help shape core architecture, implement practical AI automation, and work in a team that prioritizes real trust...

You are an experienced frontend developer who enjoys turning product ideas into polished, reliable web applications? You like working close to users, product, design, and backend engineers — not just receiving tickets and writing code?Rock.estate is looking for a Frontend Engineer to help us build the applications used by banks, insurers, real-estate...

In4Matic is seeking an experienced Frontend Developer / Angular Consultant to join the team and contribute to a new business-critical web platform. You will build a modern, scalable SPA with a Micro-Frontend architecture and ensure high quality UI.You’ll work closely with UX/UI, backend teams, and other engineers in an Agile/Scrum environment. The role...

Conveo is seeking an Engineering Intern in Antwerp, Belgium to ship real features on an AI-native platform used by Fortune 500 customers. You will work across the stack from frontend to backend and cloud infrastructure, while engaging with customers to translate problems into solutions.You are pursuing a CS/SE degree, love building things, and are curious...

Everience Benelux is seeking a Senior React Developer to join an Agile squad delivering end-to-end digital solutions for enterprise clients. You will translate requirements into high-quality front-end code using React and collaborate with business and IT professionals to shape product direction.The role involves contributing to backend work with Java/Spring...

NN Group in Brussels is seeking a React Native Developer to join one of our scrum teams in the Multichannel domain. You will take a leading role in mobile development, shaping robust, secure and maintainable solutions for our digital channels while guiding others through technical choices.You will combine hands-on development with technical leadership,...

Atlas Copco Group in Belgium seeks a medior/senior mobile/backend developer to own features end-to-end for SMARTLINK Mobile. You will work with Flutter and Dart on the mobile app, extend ASP.NET Core services, and collaborate with product, UX/UI and QA to ship reliable experiences for field technicians.You’ll tackle intermittent connectivity, offline...

Silverfin is seeking a Temporary Full-Stack Web Developer to lead the rebuild of silverfin.com from the ground up. Based in Ghent with three days in the office, you'll collaborate with Product Marketing to translate brand vision into a scalable, high-performance site across regions.You will own frontend and backend development, implement a robust CMS, and...

Founding Full Stack Engineer – Computer Vision & AI Please make an application promptly if you are a good match for this role due to high levels of interest.Location: Belgium | Fully Remote Salary: €3,600–€5,000 gross/month + insurance + equity options Type: Full-time | Founding/early-stage engineering role The Opportunity We're working with an...

Medior Backend .NET Developer - 3 months - Brussels, Belgium At RELYzIT, we don't recruit — we build. We unite exceptional builders: engineers, architects, creators, across the BENELUX and the GCC. Vetted through VECTOR7™'s multi-signal evaluation, you evaluate once and carry that credential forever. This is more than work. This is where...

Senior Backend .NET Developer - 3 months - Brussels Belgium At RELYzIT, we don't recruit — we build. We unite exceptional builders: engineers, architects, creators, across the BENELUX and the GCC. Vetted through VECTOR7™'s multi-signal evaluation, you evaluate once and carry that credential forever. This is more than work. This is where builders build...

We're hiring – .NET Developers | Energy Sector As part of several opportunities within the Energy sector, we are currently looking for .NET Developers at different levels of experience: .NET Developer – Junior / Medior / Senior Belgium Sector: Energy We are looking for candidates with experience or good knowledge of the Microsoft ecosystem,...

Tâches principales :Développer et intégrer des modèles IA dans des applications métiersConcevoir et déployer des solutions IA sur Azure et autres environnements LLMIntégrer des modèles tiers via API et exploiter les données internesCollaborer avec les équipes backend, front et projet pour industrialiser les solutions IAEnvironnement :Projets IA...