We are looking for an AI Engineer (back end). This role combines back-end development on our internal ERP (My Client) with the design and evolution of AI agent systems integrated into our operational workflows. The ideal candidate is technically versatile, pragmatic, and comfortable working in a fast-moving environment where concrete delivery matters. This document provides full context on The Client, the IT department, the expected profile, and the engagement conditions. Mission Develop and evolve AI agents integrated into operational workflows Maintain and extend My Client's back-end features and business logic Build internal REST APIs and data integrations Deliver stable, well-documented, production-ready code Responsibilities: AI agent orchestration and evolution LLM integration via APIs (Openai, Claude, Azure AI Foundry, Deepseek, Llama) Power Automate automation design and maintenance PostgreSQL query optimisation and database work Collaboration with IT team and business users Technical skills Strong Python proficiency PostgreSQL and SQL (queries, schema, optimisation) LLM APIs and multi-model integration AI agent design: tool calling, context/memory Management, flow orchestration Azure Functions and Azure Static Web Apps REST API design and integration Comfortable working on existing codebases Autonomous, structured, pragmatic mindset Personal skills: Motivated Driven by impact. Proactive, engaged, and genuinely invested in the work Collaborative Loves working with others. Shares, listens, and builds together Communicates well Clear, direct, and comfortable exchanging with both technical and non-technical stakeholders Team player Operates as part of a team — not alone. Understands that great software is built together Curious & explorative Enjoys discovering and testing new technologies. Sees every new tool as an opportunity Delivery-oriented Takes pride in shipping things Focused on producing concrete Others Full Time - 39h/week (Mon - Thu 8:00-17:30 - Friday : 8h00-15h30) Charleroi Area On Site Initial duration: up to 12 months Possibility of permanent hire at end of mission Direct integration into the IT team