SmartRecruiters is the Recruiting AI Company that transforms hiring for the worlds leading enterprises. Built for global scale, SmartRecruiters, an SAP company, delivers an AI-powered hiring platform that automates and optimizes the entire talent acquisition process, ensuring faster and smarter hiring decisions. More than 4,000 companies, including Amazon, Visa, and McDonald's, rely on SmartRecruiters to build winning teams. In 2025, SmartRecruiters joined SAP, the global leader in enterprise applications. Together, SmartRecruiters and SAP are accelerating the reinvention of hiring by combining cutting-edge AI innovation with the scale, reach, and resources of SAPs ecosystem.At SmartRecruiters, we are a values-driven, globally focused tech company with strong financial backing and a bold vision for the future of work. We commit and dig deep, embracing challenges with grit, curiosity, and a drive for excellence. We foster a collaborative and inclusive work environment, where trust and determination bring us together. Because together, we will win.Recognized by Fosway Industry Analysts as a strategic leader in recruitment technology for three consecutive years, and awarded by Comparably as a top company for Women, Perks and Benefits, Work-Life Balance, Happiness, Compensation, Diversity, and Culture - we take pride in creating a place where everyone can thrive. Our remote-friendly culture, competitive salaries, and strong internal mobility ensure that high performers have meaningful growth opportunities in an environment built on respect and empowerment.Job DescriptionWe are looking for a Senior AI Engineer to join our Chat Group, where were building the next generation of intelligent conversational systems for the recruiting industry.Our mission is bold yet simple: boost the efficiency of recruiting and hiring teams and deliver the most personalized experience ever - powered by cutting-edge ML, NLP, and agentic AI.Youll play a central role in designing and developing agentic workflows, where autonomous AI agents collaborate, reason, and act to deliver intelligent and context-aware recruiting experiences at scale.At SmartRecruiters, youll be part of a global, high-impact team shaping how people connect with jobs.Youll work with passionate peers across Germany, Poland, the UK, and the US - in a culture that values autonomy, innovation, and measurable outcomes.Were not just building chat systems - were building the AI recruiting assistants of the future.Important: the position is available only under a standard contract of employment with 80% of tax deductible cost.What Youll DoArchitect and build agentic workflows that combine large language models, reasoning components, and data pipelines to create adaptive, goal-driven conversational systemsLead the design and development of advanced ML/NLP products, from ideation to production - including model training, evaluation, optimization, and deploymentDrive experimentation with new approaches for agentic reasoning, coordination, and autonomous system designCollaborate closely with product and engineering teams to integrate intelligent agents into real-world recruiting workflowsGuide technical decisions, mentor other engineers, and help define best practices for scalable, maintainable ML systemsContribute to the evolution of our NLP and conversational intelligence stack, focusing on reliability, personalization, and user impactProactively identify opportunities to automate, improve, and innovate within our chat-based ecosystemQualificationsBSc or MSc in Computer Science, Machine Learning, AI, NLP, or a related technical field - or equivalent practical experience5+ years of experience developing and deploying machine learning systems in productionProven expertise in NLP techniques, LLM fine-tuning, and model evaluationStrong proficiency with deep learning frameworks (e.g., PyTorch, TensorFlow) and ML tools (e.g., scikit-learn, Hugging Face)Advanced Python programming skills and solid software engineering fundamentalsExperience designing and maintaining end-to-end ML pipelines, from data ingestion to deploymentHands-on experience with agentic workflows or building autonomous AI systems is a major plusFamiliarity with chatbots, conversational AI, or multi-agent systems is strongly preferredExperience with data quality management, evaluation metrics, or observability in ML systems is a plusStrong analytical thinking, creativity, and an ownership mindsetExcellent communication and collaboration skills in a cross-functional, international environmentFluency in English, both written and spoken Additional InformationSmartRecruiters is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.