BT Group

Senior Data Scientist

BT Group

full-time

Posted on:

Location Type: Hybrid

Location: DublinIreland

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About the role

  • Transform business opportunities into actionable analytical products that drive strategic decisions.
  • Design innovative analytical solutions and develop robust algorithms to support data-driven decision-making across the organization.
  • Lead end-to-end delivery of ML/LLM products from scoping to production rollout.
  • Oversee the delivery of production analytical solutions throughout various stages of the development lifecycle, adhering to industry best practices.
  • Ability to lead small DS/ML teams in collaboration with BT Group and drive end-to-end delivery.
  • Experience collaborating with Data Engineering teams and building scalable pipelines in selected cloud environment.
  • Create and maintain experimental notebooks, production pipelines, and dashboards tailored to project needs and assigned tasks.
  • Define and document solution requirements in compliance with internal governance standards.
  • Drive the DS roadmap, experimentation culture, and standards for model development, documentation, reproducibility, and code quality.

Requirements

  • Experience in a Data Science role with a proven track record of delivering impactful data-driven solutions in a business context with Master’s degree in Data Science, Artificial Intelligence, Machine Learning, or a related field, or equivalent skills gained through industry experience.
  • Strong expertise in machine learning frameworks and the development and deployment of end-to-end ML pipelines & Gen AI models.
  • Experience building & deploying ML models in production using tools like Airflow, Kubernetes, CI/CD, Databricks or equivalent.
  • Hands-on experience with any major cloud (GCP, AWS, Azure) including ML/AI services or hybrid environments. GCP is a good advantage.
  • Hands-on experience with LLM fine‑tuning, RAG systems, multi‑agent workflows.
  • Experience with LangChain, LlamaIndex, Vector DBs (Pinecone, etc.).
  • Exposure to basic frontend frameworks (e.g., Next.js) is a bonus but not required.
  • Ability to translate ambiguous business problems into measurable analytical frameworks with Strong communication and stakeholder management skills.
Benefits
  • 10% on target bonus
  • 25 days annual leave + bank holidays and an opportunity to buy up to five more days every year
  • Hybrid working, with state-of-the-art offices within Canal Plaza
  • BT Sourced Pension Scheme - 6% BT contributions
  • Life Assurance from 1st day of employment - 4x salary
  • We provide healthcare cover and permanent health insurance (income continuance)
  • Access to excellent training tools, programmes and communities to help you connect, learn and grow.
  • Opportunity to take time off for volunteering and assistance with fundraising
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningdata sciencealgorithm developmentend-to-end ML pipelinesGen AI modelsLLM fine-tuningRAG systemsmulti-agent workflowsanalytical solutionsdata-driven decision-making
Soft Skills
leadershipcollaborationcommunicationstakeholder managementproblem-solvingdocumentationorganizational skillsexperimentation culturecode qualityreproducibility
Certifications
Master’s degree in Data ScienceMaster’s degree in Artificial IntelligenceMaster’s degree in Machine Learning