Lead Data Scientist

Lead Data Scientist

Full-Time 63000 - 77000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Lead data science projects, ensuring high-quality machine learning solutions are delivered.
  • Company: Join a forward-thinking company focused on innovative data science solutions.
  • Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
  • Other info: Collaborative environment with a focus on continuous learning and technical excellence.
  • Why this job: Make a real impact by guiding cutting-edge data science initiatives.
  • Qualifications: Extensive experience in data science, strong leadership skills, and expertise in cloud platforms.

The predicted salary is between 63000 - 77000 £ per year.

This role exists to provide technical leadership and assurance across data science, ensuring machine learning solutions are designed, built, and operated to a high and consistent technical standard.

The role focuses on enabling scalable, reliable delivery of data science solutions aligned to business priorities defined elsewhere.

  • WHAT YOU'LL BE DOING
  • Acting as a technical lead for data science, guiding modelling approach and solution design across multiple initiatives.
  • Working closely with business stakeholders to translate priority use cases into technically sound, production‑ready data science solutions.
  • Providing hands‑on technical leadership across the data science lifecycle, from problem framing and modelling through deployment and ongoing optimisation.
  • Defining and embedding technical standards and best practices for experimentation, validation, documentation, and reproducibility.
  • Reviewing and challenging technical designs and implementations, providing clear technical direction and sign‑off.
  • Supporting and mentoring data scientists on complex technical challenges.
  • Partnering with Data Architecture, ML & Data Engineering, and BI teams to ensure solutions are scalable, robust, and production‑ready.
  • Evaluating new techniques and tools, guiding their pragmatic adoption.
  • Communicating technical assumptions, risks, and trade‑offs clearly to technical and non‑technical stakeholders.
  • Accountable for
  • The technical quality and consistency of data science solutions delivered within assigned domains.
  • Ensuring solutions meet agreed performance, scalability, reliability, and maintainability standards.
  • Consistent application of data science standards, reducing delivery risk and technical debt.
  • Providing ongoing technical assurance that solutions remain fit for production as usage and complexity increase.
  • Maintaining strong technical partnerships with stakeholders as a trusted advisor.
  • Raising the overall technical maturity of data science within the organisation
  • WHAT YOU'LL NEED

Essential Criteria

  • Extensive experience delivering production‑grade, commercially impactful data science solutions, gained in a data science or machine learning roles.
  • Proven experience operating as a senior technical lead, reviewer, or technical sign‑off authority.
  • Strong experience building ML solutions on cloud platforms (GCP, AWS, or Azure).
  • Advanced expertise in Python and SQL.
  • Deep applied knowledge of machine learning techniques, including regression, classification, clustering, and time‑series forecasting.
  • Experience supporting production deployment and lifecycle management of ML models.
  • Strong understanding of data warehousing, data modelling, and modern data architecture.
  • Excellent communication skills, able to explain technical decisions clearly to non‑technical stakeholders.
  • Preferred Skills
  • Experience with recommender systems or personalisation use cases.
  • Familiarity with MLOps concepts and production ML practices.
  • Demonstrated ability to raise technical standards through influence rather than authority.
  • Experience in an e‑commerce or retail environment.
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Lead Data Scientist employer: The Inside Job

Gymshark is an exceptional employer that fosters a dynamic and innovative work culture, particularly for the Digital Product Manager role. With a strong emphasis on employee growth and collaboration, team members are encouraged to take ownership of their projects while working alongside talented engineers and designers in a fast-paced environment. Located in a vibrant community, Gymshark offers unique opportunities to engage with a passionate customer base, making it a rewarding place to contribute to meaningful customer experiences.

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Contact Details:

The Inside Job Recruitment Team

We think you need these skills to ace Lead Data Scientist

Problem-Solving Skills
Communication Skills
SQL
Python
Data Governance
Automation
Data Engineering