Principal Data Scientist (Management Level)
Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent
The Role
We are seeking a Principal Data Scientist to join our growing UK Data & Analytics team.
You will take a leading role in designing and implementing advanced data science solutions across a range of industries, including financial services. This position offers the opportunity to build intelligent systems that drive measurable business and customer outcomes — while mentoring others and collaborating in a dynamic, multi-disciplinary environment.
What You’ll Do
- Lead the end-to-end delivery of data science initiatives, from proofs of concept and MVPs to production-scale deployments
- Design, develop, and prototype machine learning models to solve complex business problems using modern techniques and technologies
- Work closely with engineers, domain experts, and business stakeholders to translate analytical requirements into impactful solutions
- Guide and mentor data science teams, supporting technical development and solution design
- Act as a subject matter expert on ML architecture, model calibration, and productionisation
What We’re Looking For
- 10+ years of hands-on experience in data science or applied machine learning
- Proven track record of building and deploying data science solutions using Python and associated ML libraries
- Strong background in applied machine learning, model development, and data engineering
- Experience working with cloud platforms (Azure, AWS, or GCP) and big data tools such as Spark, Hive, or Redshift
- Demonstrated leadership in managing cross-functional teams and mentoring junior data scientists
- Excellent communication skills, with the ability to simplify complex technical concepts for non-technical audiences
Bonus Points For
- Participation in data science competitions (e.g., Kaggle)
- Experience implementing MLOps practices, including CI/CD, model monitoring, and DevOps integration
- Familiarity with NLP frameworks such as spaCy or Transformers
- MSc or PhD in a numerate discipline
- Industry experience in financial services, energy, or technology
Why Join
- Deliver high-impact data and technology solutions for leading organisations
- Collaborate in a flat, open, and entrepreneurial consulting culture
- Access continuous learning, professional certifications, and tailored training programs
- Contribute to projects shaping the future of digital transformation across industries
Our Benefits
We offer a comprehensive, people-first benefits package designed to support every aspect of your wellbeing:
Core Benefits: Competitive salary and bonus, pension scheme, health insurance, life insurance, and critical illness cover.
Wellbeing: Access to a range of mental health and wellbeing support services.
Family-Friendly: Enhanced maternity, adoption, and shared parental leave, alongside paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
Family Care: Complimentary backup care sessions for emergency childcare or eldercare.
Holiday Flexibility: Five weeks of annual leave, with options to buy or sell additional days.
Continuous Learning: Minimum 40 hours of annual training through workshops, certifications, and e-learning, plus a personal business coach from day one.
Healthcare Access: Online GP and virtual health consultations.
Extra Perks: Gym membership discounts, travel insurance, dining discounts, season ticket loans, Cycle to Work, and dental insurance.
Research indicates that men will apply to a role when they meet only 50–60% of the requirements, while women and other underrepresented groups often look for a 90–100% match. If this role excites you but you don’t check every box, we still encourage you to apply.
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