The Randstad Group is the global leader in talent solutions and HR services, with more than 65 years of market experience, acting as a strategic partner for talent and for companies. We are present in more than 38 markets worldwide, contributing to shaping the world of work.We are looking to hire an AI Engineer (Speech & NLP Systems) to join one of our teams for a key client in the technology and digital solutions sector.ResponsibilitiesDevelop and integrate speech and NLP pipelines (ASR, NLU, intent/slot models);Improve robustness across noise, accents, and real-world usage; Support language understanding and dialog behavior;Optimize models for latency and resource constraints;Define evaluation strategies for speech and NLP quality;Collaborate with QA and platform teams to ensure production reliability.Skills/Requirements:Strong experience with speech or NLP systems;Hands-on knowledge of ASR / NLU pipelines;Experience with model evaluation and dataset curation;Strong Python skills and ML frameworks;Understanding of real-world deployment constraints; Experience with voice assistants or conversational systems;Edge AI or embedded ML experience;Multilingual or locale-specific NLP experience.Key Benefits:Integration into a solid and recognized company within the sector, with an excellent work environment and the opportunity to make a difference;Career growth opportunities;Meal Allowance;Health Insurance;Flexible Working Hours.