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Senior AI/ML Engineer - Data Science

Cognitive Group | Part of the Focus Cloud Group
Watford
3 days ago
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AI/ML and Data Science Developer

Telco Industry

Location: Stevenage - Onsite

SC Cleared or Eligible for SC Clearance


We are working with a global Innovation and Technology Consultancy, who are looking for aSenior AI/ML Developer & Data Scientistto lead the development of intelligent, data-driven solutions that solve real-world problems and enable next-generation telco services.


You’ll play a critical role in designing, building, and deploying AI/ML solutions—from ideation to production—while collaborating with cross-functional teams to shape the future of connectivity.


Key responsibilities:

  • Design, develop, and deploy AI/ML models and solutions, including LLMs and GenAI.
  • Perform feature engineering and selection to optimize model performance.
  • Select and implement appropriate AI/ML algorithms, including supervised, unsupervised, and reinforcement learning models.
  • Train, evaluate, and optimize models using machine learning
  • Deploy models to production environments, ensuring robustness and scalability.
  • Monitor model performance and define strategies for identifying drift; retrain or refine models as needed.
  • Collaborate with cross-functional teams to integrate AI/ML models with business applications and systems.
  • Stay updated on the latest advancements in AI/ML and data science technologies.
  • Lead and mentor junior team members.
  • Develop and maintain comprehensive documentation for AI/ML pipelines, data workflows, and analytical processes


Desirable Experience:

  • Conduct extensive data exploration, analysis, and pre-processing to ensure data quality for AI/ML applications.
  • Develop and apply data science methodologies to extract insights from large-scale structured and unstructured datasets.
  • Utilise predictive analytics, time series forecasting, and statistical models (nice to have skill) to drive business decision-making.
  • Train, evaluate, and optimize models using statistical techniques


Key Skills:

  • 5+ years of experience in AI/ML development
  • Strong understanding of AI/ML algorithms and techniques, including LLMs, GenAI, and automated AI systems.
  • Machine learning frameworks (e.g., TensorFlow, PyTorch)
  • Proficiency in Python, R, or other relevant programming languages.
  • Experience with data analysis and visualization tools (e.g., Matplotlib, Seaborn, Tableau).
  • Ability to work independently and lead projects from inception to deployment.


Desirable Skills:

  • 5+ years experience in data science
  • Data science libraries (e.g., NumPy, pandas, scikit-learn).
  • Proficiency in working with large datasets, data wrangling, and data preprocessing.
  • Experience in data science, statistical modelling, and data analytics techniques.
  • Experience with big data technologies (e.g., Hadoop, Spark) and cloud platforms (e.g., AWS, GCP, Azure) is desirable.
  • MSc or PhD in Computer Science, Data Science, Artificial Intelligence, or related field is preferred.

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National AI Awards 2025

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