Full-Stack Python React Developer (Freelance possible)
EngiFlex
Tasks and responsibilities
As a developer, you follow established engineering standards and contribute to the delivery of reliable, high-quality software.
AI & Architecture
Strong knowledge of:
- AI agent development
- Large Language Models (LLMs)
- Model Context Protocol (MCP)
- Agent-to-Agent (A2A) communication
- Retrieval-Augmented Generation (RAG)
- Vector databases
Backend
Experience with:
- Python
- FastAPI
- API and service development
- Queuing and messaging systems such as RabbitMQ
- Database development with SQL Server, PostgreSQL or similar technologies
- SQLAlchemy
- Security concepts and integrations including OAuth, SAML and Microsoft Entra ID
- Automated testing with Pytest
Additional assets:
- LangChain
- LangGraph
- Microsoft Copilot technologies
- AI orchestration frameworks
DevOps & Cloud
Knowledge of:
- Containerisation technologies
- Kubernetes
- CI/CD pipelines
- Azure DevOps
- GitOps tools such as ArgoCD
- Cloud-native development practices
Frontend
Strong experience with:
- React
- JavaScript
- CSS
- UI development
- NX framework for micro frontends
Your profile
- You have strong communication skills.
- You enjoy working in a collaborative team environment.
- You take ownership and responsibility for your deliverables.
- You are proactive and contribute constructive ideas.
- You work effectively in Agile/Scrum teams.
- You have a good command of Dutch and/or French, combined with English.
- If you are a non-EU national working in Belgium, you hold a valid work permit and a valid residence permit allowing you to live and work in Belgium.
Additional Technical Assets
- Microservices architecture
- Distributed systems design
Location
This role is based in the Brussels region and follows a hybrid working model. On-site presence is generally expected two days per week.
Offer
You will be part of a growing Belgian SME where initiative and personal development are encouraged. We will provide you with an enjoyable work environment with fun colleagues. We will work out a career plan with you, with attention and a budget for extra education/certification. You can count on an attractive salary, supplemented with extra-legal benefits, including a company car.
(Freelance is also possible)
- ...technical, market and policy developments for all European TSOs... ...and maintenance of full-stack web applications and... ...with software developers and other stakeholders... ...frontend framework (e.g. React, Angular, or Vue).... ...such as Node.js, Java, Python, C#, or similar. Understanding...SuggéréTemps partielStageStageTemps complet
- ...ecological footprint. Your Role As a Full Stack .NET Developer, you will support ongoing projects... ...of hands-on experience with: .NET 8 React + JavaScript SQL Server MongoDB RabbitMQ Nice to have: Blazor, Python Soft Skills Strong communication and...SuggéréTemps complet
- ...Beschrijving Junior Full-Stack Developer (Analyst Developer) Overview We are looking for a Junior Full-Stack Developer... ...~ Knowledge of Angular, Java, Spring Framework, Node.js, Python, HTML, and CSS. ~ Understanding of relational databases (RDBMS...Suggéré
- ...the migration of legacy SAS-based ETL workloads to a modern Python data platform using technologies such as Parquet and Spark,... .... You can count on an attractive salary, supplemented with extra-legal benefits, including a company car. (Freelance is also possible)...Freelance
- ...Full-Stack Developer Java Tasks ~ Development and maintenance of software applications ~Development and integration of software components ~ Systems integration ~ Assistance with deployment and configuration of the system ~ Drafting technical documentation...SuggéréTemps complet
- ...our portfolio. Right now, we are looking for a Full stack Engineer , who is proficient in Java and React , to join one of our client’s team in New Caledonia... ...Front-end development : Design and develop web applications using Angular or React, following...Temps complet
- ...Beschrijving About the job Junior Full-Stack .NET Developer Job ID: JP054188 Junior Full-Stack .NET Developer (Hybrid) Overview We are looking for a Junior Full-Stack .NET Developer to join a Scrum development team of five members. The mission focuses on...Temps completÀ distance
- ...Build the Interface of the AI Revolution Are you a seasoned Full Stack Developer who looks beyond standard web applications? Artefact Belgium... ...Stack development. Core Stack: Strong proficiency in Python (essential for our AI stack) and modern TypeScript frameworks...Temps complet
- ...Senior Full-Stack Java Developer We are looking for an experienced Senior Full-Stack Java Developer to design, develop, test, and maintain... ...IntelliJ IDEA or a similar IDE. Experience with React is an advantage. Knowledge of JSON Forms is a plus....À distance
- ...mobile development. Arηs Group was acquired by Accenture in July 2024. Job Description Responsibilities • Design, develop, and maintain backend services in .NET exposing REST APIs consumed by internal applications. • Build modern, accessible web interfaces...Emploi contractuelTemps complet
- ...Application Developer (Java Full Stack) We are looking for an experienced Application Developer to support the takeover, maintenance,... ...Brussels . Initial contract until 30 September 2026 , with strong possibility of extension. EU nationals only....Emploi contractuel
- Mission: En tant que développeur, vous travaillerez sur une application d'une page composée de plusieurs modules. Vous êtes actif dans tous les modules qui soutiennent respectivement le processus d'évaluation et la cartographie fonctionnelle de notre client. Le développement...
40000 £ - 60000 £ par année
...Exciting opportunity for a Full-Stack Software Engineer... ...technology business developing a modern SaaS... ...collaboration between developers and customers to deliver... ...be doing: Design, develop and maintain full-stack... ...stack applications using Python and React. Create AI-powered...À distance- ...Full Stack Developer (Java Spring Boot & ReactJS) Location: Brussels, Belgium Work Model: Hybrid Start Date: ASAP Contract Duration: 6 Months We are looking for an experienced Full Stack Developer with 8–10 years of experience to join...Emploi contractuelRecrutement immédiat
- ...Senior .NET Full-Stack Developer We are looking for an experienced Senior .NET Full-Stack Developer to design, develop, and maintain high-quality software solutions built on Microsoft technologies. You will play a key technical leadership role, ensuring code quality...
- ...solutions. Test developed solutions,... ...Leader throughout the full project lifecycle... ...organisation. Develop analytical solutions... ...the Microsoft BI stack, including SSIS,... ...Databricks and Python is an asset. Experience... ..., including a company car. (Freelance is also possible)...Freelance
- ...development, Azure Databricks, Python, SQL Server and... ...capabilities. Develop and maintain REST APIs... ...throughout the full project lifecycle to... ...with the Microsoft BI stack, including Visual Studio... ...legal benefits, including a company car. (Freelance is also possible)...Freelance
- Experienced Full stack .NET Developer Functiebeschrijving (Note: This job posting is only open to resident in Belgium , native Dutch . If this is not the case, please have a look at our other job postings instead!). We are looking for an experienced Full Stack...Emploi contractuelRecrutement immédiat
- Senior Full Stack Java Developer Position Description Are you a driven and enterprising professional, always at the forefront of developments and innovations in your field? Do you thrive on challenges, especially those that push the boundaries of what seems impossible...Emploi contractuelRecrutement immédiat
350 € - 500 € par mois
...We are looking for a skilled Developer to contribute to the development of our web applications... ...-end frameworks, preferably Node.js or Python • Strong understanding of RESTful APIs... ...with stakeholders This is a full-time position based in a hybrid setting....Emploi contractuelTemps complet- ...Senior Full Stack Java Developer We are looking for a Senior Full Stack Java Developer to support the modernization and evolution of complex... ...onboarding period of two weeks Contract until end of the year with possible extension Location: Brussels, Belgium...Emploi contractuel
- ...een vijf personen integreren bezig met de ontwikkeling van een python-applicatie in Django om de operationele noden te ondersteunen. Day... ...: Expertise in het bouwen en onderhouden van applicaties in React. Back-end development : Diepgaande kennis van Python voor software...2 jours par semaine
520 € - 700 € par mois
...A growing organization is looking for a skilled Senior Full Stack Developer to enhance its applications leveraging Gen AI and JavaScript/React technologies. In this hybrid role, you will play a crucial part in delivering innovative features that improve user experiences...Emploi contractuel200 € par jour
...We are looking for motivated candidates to join our team as a Full Stack Web Development Intern (Remote). This internship program is designed... ...alongside experienced professionals. Our long-term goal is to develop a global pool of skilled interns as part of our expansion...StageÀ distance- ...carrière, avec une attention particulière et un budget dédié à la formation ou à la certification complémentaire. Vous pouvez compter sur un salaire attractif, complété par des avantages extra-légaux, y compris une voiture de société. (Freelance est également possible)...Freelance
- ...carrière, avec une attention particulière et un budget dédié à la formation ou à la certification complémentaire. Vous pouvez compter sur un salaire attractif, complété par des avantages extra-légaux, y compris une voiture de société. (Freelance est également possible)...Freelance
- GIS Full Stack Developer – Geo & Mission Critical Systems Functiebeschrijving (Note: This job posting is only open to resident in Belgium... ...modern front-end applications using Angular and/or React • building back-end services with Java and Spring Boot •...Emploi contractuelRecrutement immédiat
- ...carrière, avec une attention particulière et un budget dédié à la formation ou à la certification complémentaire. Vous pouvez compter sur un salaire attractif, complété par des avantages extra-légaux, y compris une voiture de société. (Freelance est également possible)...Freelance
- ...carrière, avec une attention particulière et un budget dédié à la formation ou à la certification complémentaire. Vous pouvez compter sur un salaire attractif, complété par des avantages extra-légaux, y compris une voiture de société. (Freelance est également possible)...Freelance
520 € - 680 € par mois
...hybrid work environment. This role is crucial in shaping our development processes, particularly with technologies like NodeJS and React. You will ensure that our projects not only meet operational demands but also align with our strategic vision for growth. Key responsibilities...Emploi contractuel
Voulez-vous recevoir plus d'offres d'emploi ?
S'abonner et recevoir des offres d'emploi similaires à Full-Stack Python React Developer (Freelance possible). Soyez parmi les premiers à postuler !



