AI/ML Data Science Developer Location: Hybrid – Hertfordshire (preferred) or London Start Date: August 2025 Contract Length: 6 Months Initially (TBC) Rate: Competitive DOE, inside IR35 Are you passionate about pushing the boundaries of AI and Machine Learning? QSR have an exciting opportunity available for an experienced AI/ML Specialist to join a cutting-edge project, driving innovation through Large Language Models (LLMs), GenAI, and predictive analytics. Key Responsibilities: • Design, develop, and deploy AI/ML models, including LLMs and GenAI. • Conduct feature engineering, model optimization, and performance tuning. • Implement and train supervised, unsupervised, and reinforcement learning models. • Carry out advanced data exploration, analysis, and preprocessing. • Deploy scalable models into production, with ongoing monitoring and tuning. • Collaborate with cross-functional teams to integrate AI into business applications. • Use predictive analytics and time series forecasting for data-driven insights. • Document AI/ML workflows, pipelines, and decisions. • Lead and mentor junior team members. Essential Skills: • 5+ years in AI/ML and data science development. • Proficient in Python, R, and relevant ML frameworks/libraries (e.g., TensorFlow, PyTorch, scikit-learn). • Strong grasp of LLMs, GenAI, and AI system architectures. • Experienced with large-scale datasets and preprocessing pipelines. • Skilled in statistical modelling and data visualization tools (e.g., Tableau, Seaborn, Matplotlib). • Able to independently lead complex projects from design to deployment. Desirable: • Experience with big data tools (Hadoop, Spark) and cloud platforms (AWS, GCP, Azure). • MSc or PhD in Computer Science, Data Science, AI or related disciplines. Ready to shape the future of AI? Apply now to be part of a forward-thinking, collaborative environment driving AI innovation at scale. If you have the relevant skills and experience, please apply promptly and we will be in touch to discuss your application further. Please note that due to the volume of applications we receive, it is not possible to provide feedback on all applications so if you have not heard from us within 2 weeks then unfortunately you have been unsuccessful on this occasion.