Python/React Developer
- Posted 16 June 2026
- LocationBrussels
- Job type Contract
- Discipline Engineering and Renewables
Job description
Role Overview
We are looking for a skilled Python/React Developer to join our existing team and support ongoing initiatives focused on building and enhancing an AI platform used for internal communication and collaboration between agents within the client. The successful candidate will contribute to the development of scalable, secure, and high-quality solutions while adhering to the client's development standards and best practices.
Key Responsibilities
Design, develop, and maintain AI-driven applications and services using Python, FastAPI, and React
Build and enhance backend APIs, microservices, and integrations to support internal AI platform initiatives
Develop and optimize data access layers, messaging systems, and database solutions using SQLAlchemy, SQL Server, PostgreSQL, and RabbitMQ
Contribute to AI agent development, including integrations with LLMs, RAG architectures, MCP/A2A frameworks, and AI orchestration platforms
Collaborate with DevOps and engineering teams to implement containerized deployments, CI/CD pipelines, and cloud-native solutions
Participate in Agile ceremonies, provide technical recommendations, and actively contribute ideas to improve platform capabilities and development practices
Required Qualifications
Strong hands-on experience with Python development, including FastAPI, API design, and backend service development
Solid experience with React, JavaScript, CSS, and modern UI development practices
Proven expertise in database development using SQL Server, PostgreSQL, SQLAlchemy, and related data access technologies
Experience with messaging and queue-based architectures using RabbitMQ or similar technologies
Good understanding of security concepts and authentication protocols such as SAML, OAuth, and Microsoft Entra ID
Experience implementing automated testing using Pytest and applying software engineering best practices to ensure high-quality code delivery
Nice-to-Have Skills
Experience with AI and Generative AI technologies, including LLMs, RAG architectures, MCP, A2A, LangChain, LangGraph, and Copilot solutions
Knowledge of Microservices Architecture and distributed systems design
Experience with containerization and cloud-native technologies such as Docker and Kubernetes
Familiarity with CI/CD pipelines and deployment tools including Azure DevOps and Argo CD
Experience with NX and Micro-Frontend architecture patterns
Understanding of AI platform governance, observability, and operational best practices
Soft Skills
Strong communication and collaboration skills with the ability to work effectively in cross-functional teams
Team-oriented mindset with a focus on knowledge sharing and collective success
High level of accountability and ownership for assigned tasks and deliverables
Proactive attitude with the ability to propose ideas, challenge assumptions constructively, and provide well-reasoned recommendations
Ability to work efficiently in Agile environments using Scrum or similar methodologies
Strong analytical and problem-solving skills with a focus on continuous improvement
Language Requirements
Good working proficiency in Dutch and/or French
Very good command of English (written and spoken)
If this position is of interest to you, apply now!
