Senior AI/ML and Data Science Developer

Position: Senior AI/ML and Data Science Developer
Employment Type: Permanent
Start: ASAP (October/November/Decmeber 2025)
Location: Hertfordshire, UK - Hybrid
Language(s): English
Salary: Up to £80,000 p/a + bonus and benefits

Focus on SAP is a specialist SAP and ERP Recruitment organisation offering both permanent and contract staffing solutions on a global scale. 
 
Client – Partnered with a global leader in digital transformation and IT services, working with some of the world’s biggest brands. Their mission is not only to deliver cutting-edge technology but also to empower organisations to create meaningful impact for the people and communities they serve. For you, this means working on challenging projects that demand innovation, collaboration, and thought leadership.
 
Role – We are seeking an experienced AI/ML and Data Science Developer to design, develop, and deploy AI/ML models and solutions, including LLMs and Generative AI applications. You will work across the full development lifecycle, from concept and feature engineering to deployment and monitoring by driving innovation and helping shape next-generation data-driven solutions. You will collaborate with business and technical stakeholders to translate requirements into scalable, production-ready AI/ML systems, using advanced data science techniques to deliver measurable business impact.


Key Responsibilities:

• Design, develop, and deploy AI/ML and GenAI models for real-world applications.
• Perform feature engineering, selection, and optimisation to enhance model accuracy.
• Select and implement suitable machine learning algorithms (supervised, unsupervised, reinforcement).
• Deploy and monitor models in production, ensuring robustness and scalability.
• Detect model drift, retrain models, and refine pipelines as needed.
• Conduct data exploration, analysis, and preprocessing for large structured/unstructured datasets.
• Collaborate with cross-functional teams to integrate models into business systems.
• Apply predictive analytics, statistical modelling, and time series forecasting to drive decision-making.
• Maintain clear documentation for all AI/ML pipelines and workflows.

Key Skills:

• Solid hands-on experience in AI/ML development and data science.
• Deep understanding of AI/ML algorithms, LLMs, GenAI, and automation frameworks.
• Proficiency with Python, R, and frameworks such as TensorFlow, PyTorch, scikit-learn, NumPy, pandas.
• Experience in data wrangling, data preprocessing, and statistical modelling.
• Skilled in data visualisation tools (e.g., Matplotlib, Seaborn, Tableau).
• Ability to work independently and lead projects from inception to deployment.
• Experience with big data technologies (Hadoop, Spark) and cloud platforms (AWS, Azure, GCP) - Desirable.

If you are interested or would like to know more, please email with your CV and availability to speak.

Applicants must be a UK resident and holds a valid right to work status.