AI Software Developer

AI Software Developer Date:  Mar 3, 2026 Company:  Location:  Suresnes, FR, 92150 Alixan, FR, 26300 Ingenico is the global leader in payments acceptance solutions. As the trusted technology partner for merchants, banks, acquirers, ISVs, payment aggregators and fintech customers our world-class terminals, solutions and services enable the global ecosystem of payments acceptance. With 40 years of experience, innovation is integral to Ingenico’s approach and culture, inspiring our large and diverse community of experts who anticipate and help shape the evolution of commerce worldwide. At Ingenico, trust and sustainability are at the heart of everything we do.  This position can be based at our Suresnes office (soon relocating to La Défense) or in Valence, just a 5‑minute walk from the TGV station, which connects to Lyon Part‑Dieu in 35 minutes. The Process & Tools team at Ingenico provides the DevOps environment used by our technical teams to develop payment terminals, software solutions, and associated services. Our environment now integrates services based on Artificial Intelligence: agents for customer support, cloud operations, and R&D. These solutions rely on a cloud platform offering advanced capabilities such as managed vector databases, optimized RAG systems, chatbots, autonomous agents, and more. As an AI Development Engineer, you will play a key role in designing and evolving this internal platform. You will develop end‑to‑end solutions and collaborate with business teams to transform their needs into practical applications. Your Main Responsibilities Build and enhance the internal AI platform Design and implement the software architecture for AI solutions Develop key libraries and components Ensure performance, reliability, and scalability of deployments Develop AI applications and agents Translate business requirements into technical solutions Design systems based on agents and LLMs Develop, test, and deliver robust AI applications Drive Ingenico’s AI transformation Train teams on LLMs, agents, and AI tools Promote AI adoption through demos and knowledge sharing Foster innovation and experimentation Advise management and share expertise Stay up to date with AI technologies and trends Advise management on strategic AI opportunities Identify high‑impact use cases to maximize AI value Profile Minimum 8–10 years of experience in software development, with strong expertise in Python A first significant experience with a Python AI framework (LangChain, CrewAI, or equivalent) Key Technical Skills Mastery of LLM concepts: prompting, embeddings and vectorization, semantic search, RAG systems Knowledge of AI performance evaluation methods (LLM‑as‑a‑judge, etc.) Cloud application deployment and Docker images Data engineering and vector databases (ChromaDB, PgVector) DevOps and CI/CD environments Additional Important Skills Curiosity Interest in innovation Strong listening abilities Excellent communication skills in both English and French Why Join Us? Contribute to strategic projects at the heart of Ingenico’s AI transformation Work in an innovative, collaborative, and stimulating environment Participate in designing high‑impact AI solutions for our teams and clients