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# Senior Python / React Developer -INM000380

- **Company:** ITProposal
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Software Applications, User Authentication, Automation of Tests, Microsoft Azure, Cascading Style Sheets (CSS), Cloud Computing, DevOps, Distributed Systems, Design of User Interfaces, Python (Programming Language), PostgreSQL, Microsoft SQL Server, OAuth, Scrum Methodology, Queueing Systems, RabbitMQ, Azure Active Directory, Security Assertion Markup Language (SAML), Service Development Studio, SQL Databases, SQLAlchemy, Microsoft Power Automate, ReactJS, Large Language Models, Multi-Agent Systems, Generative AI, Backend, Fastapi, Pytest, Containerization, Kubernetes, Front End Software Development, Virtual Agents, Microservices
- **Published:** July 23, 2026
- **Apply:** https://www.careerjet.be/jobad/bed4442c28e656a2f1a3e0e0adec30a8aa

## About the Role

* Strong communication skills.
 * Collaborative team player.
 * Ownership and accountability.
 * Proactive mindset with a problem-solving attitude.
 * Experience working in Agile/Scrum environments.
 * Good English communication skills; additional European language skills are an advantage.

## Description

* Design, develop, and maintain AI-powered applications and backend services.
 * Build scalable APIs and microservices using modern development practices.
 * Develop responsive frontend applications using React.
 * Contribute to AI agent architecture and intelligent workflow orchestration.
 * Implement secure authentication and authorization mechanisms.
 * Write automated tests and ensure high code quality.
 * Collaborate within Agile/Scrum teams to deliver high-quality solutions.
 * Participate in architectural discussions and continuous platform improvements.

Required Technical Skills
AI & Architecture

 * AI Agent Development
 * Large Language Models (LLMs)
 * Model Context Protocol (MCP)
 * Agent-to-Agent (A2A) Communication
 * Retrieval-Augmented Generation (RAG)
 * Vector Databases

Backend

 * Python
 * FastAPI
 * API & Service Development
 * SQLAlchemy
 * SQL Databases (PostgreSQL, SQL Server, or similar)
 * Messaging & Queueing Systems (RabbitMQ or similar)
 * Authentication & Security (OAuth, SAML, Microsoft Entra ID)
 * Automated Testing with Pytest

Frontend

 * React
 * JavaScript
 * CSS
 * UI Development
 * NX Framework (Micro Frontends)

DevOps & Cloud

 * Containerization
 * Kubernetes
 * CI/CD Pipelines
 * Azure DevOps
 * GitOps (ArgoCD or similar)
 * Cloud-Native Development

Nice to Have

 * LangChain
 * LangGraph
 * Microsoft Copilot Technologies
 * AI Orchestration Frameworks
 * Microservices Architecture
 * Distributed Systems Design


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