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Senior Data Scientist

NewDay.com

Office

London, United Kingdom

Full Time

What will you be doing

  • Use sophisticated statistical and machine learning techniques to identify new trends and relationships in data.
  • Create high-quality project plans to help shape the future of the team.
  • Harvest, wrangle and prototype new data sources internally and external to NewDay to create new value for NewDay and our customers.
  • Provide quality and detailed data science outputs, sharing and following up with as much detail as appropriate or requested by senior managers.
  • Develop knowledge of all relevant data resources within NewDay and in the wider Credit Industry.
  • Governance: support the models throughout their lifecycle from conception, development, implementation, testing and monitoring, with the required level of documentation to follow internal procedures and standards.

Skills And Experience

Essential

  • University degree in a highly analytical discipline (data science, mathematics, physics, economics, and similar disciplines).
  • Demonstrated experience designing, building and assisting in the deployment and monitoring of a diverse range of ML models in real-world business settings.
  • Strong proficiency creating models in Python and a solid understanding of SQL for data extraction, transformation and analysis.
  • Ability to present sophisticated and detailed findings clearly, adapting the level of detail to the audience, paired with strong interpersonal and written communication skills.
  • Previous experience leading and mentoring others—either formal or informal—showing a willingness to support growth and development.
  • Experience in proactively engaging with business stakeholders to scope and define projects.
  • Knowledge of version control systems, particularly Git, with experience managing codebases and collaborating in team environments.
  • Nice to haves: experience with one or more of credit risk, collections risk, affordability, IFRS9 and customer credit behaviours models.

Desirable

  • Be self-motivated and comfortable working in a fast-paced environment where priorities evolve.
  • Have a strong sense of accountability and ownership, with great organisational, planning and time management skills.
  • Have great team spirit, supporting team and colleagues on tasks big and small.
  • Enthusiasm for exploring emerging/existing areas of ML, with a drive to bring fresh, innovative ideas and approaches into the business.

Your Personal Attributes

  • Naturally Curious

  • You are a relentlessly positive person; you see opportunities not issues
  • Self-starter who can resolve ambiguity and plot a path forward
  • Self-reflective, with the drive to continuously find opportunities for improvement
  • Superb communicator who can flex your style according to the needs of the audience
  • Good attention to detail
  • Able to empathise with team-members and business partners
  • We work with Textio to make our job design and hiring inclusive.

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Permanent

Senior Data Scientist

Office

London, United Kingdom

Full Time

September 19, 2025

company logo

NewDay