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Senior Data Scientist Jobs

Experienced professionals who lead data-driven decision-making. They design and implement complex models to extract actionable insights from large datasets.

Open roles
8
Salary range
£60k – £122k
Hiring companies
5
View 8 live roles → Get an alert

Senior Data Scientists are the backbone of data-driven organisations. They are responsible for designing and implementing advanced statistical models, conducting in-depth data analysis, and translating complex data insights into actionable strategies. These professionals work closely with cross-functional teams, including product managers, engineers, and business leaders, to drive data-informed decisions. They often lead projects, mentor junior data scientists, and ensure that data science practices are aligned with business goals.

What the role does

Inside the role of a Senior Data Scientist

A typical week is a mix of hands-on data analysis, project management, and collaboration with stakeholders.

  1. 01
    Analyse large datasets using statistical methods and machine learning algorithms.
  2. 02
    Develop and validate predictive models to support business decisions.
  3. 03
    Collaborate with cross-functional teams to define project requirements and deliverables.
  4. 04
    Present findings and recommendations to senior management.
  5. 05
    Mentor junior data scientists and provide technical guidance.
  6. 06
    Stay updated with the latest data science trends and tools.
Salary on the board

£60k – £122k

Based on advertised midpoints across the 38 priced listings posted in the last 12 months. Base salary only.

Salary visibility
1% of listings advertise a salary — up from 0% the year before.
By seniority
£k base
Senior
60
120
21 jobs
Lead
69
122
17 jobs
Skills & tools

What hiring managers ask for

% of 45 listings posted in the last 12 months that mention each skill, extracted from job descriptions.

Python
84%
Machine Learning
69%
SQL
62%
PyTorch
40%
TensorFlow
36%
Data Science
29%
Deep Learning
29%
Hugging Face Transformers
24%
Time Series Analysis
22%
Data Manipulation
20%
Statistical Analysis
16%
Pandas
16%
Career ladder

From Junior to Principal

A typical UK progression for senior data scientists. Years are guidance — strong people move faster, and many senior folks sidestep into research, product or management.

  1. Level 1

    Junior Data Scientist

    0–2 yrs

    Assist in data collection, cleaning, and basic analysis. Contribute to small projects under supervision.

  2. Level 2

    Data Scientist

    2–5 yrs

    Lead data analysis projects, develop predictive models, and communicate insights to stakeholders.

  3. Level 3

    Senior Data Scientist

    5–8 yrs

    Design and implement complex data models, manage projects, and mentor junior team members.

  4. Level 4

    Principal Data Scientist

    8+ yrs

    Strategise data science initiatives, lead large-scale projects, and influence organisational data strategy.

Pathway

How to become a Senior Data Scientist

There's no single route, but most people follow some version of these steps.

  1. 1

    Gain foundational skills

    Start with a strong foundation in statistics, programming, and data analysis. Gain experience through internships or entry-level roles.

  2. 2

    Specialise in data science

    Focus on advanced statistical methods, machine learning, and data visualisation. Work on projects that require in-depth data analysis.

  3. 3

    Lead projects and teams

    Take on leadership roles in data science projects. Manage teams, mentor junior data scientists, and ensure project success.

  4. 4

    Influence organisational strategy

    Shape the data science strategy of your organisation. Lead large-scale initiatives and drive data-driven decision-making at the executive level.

  5. 5

    Stay current with trends

    Continuously update your skills and knowledge. Stay informed about the latest data science tools, techniques, and industry trends.

Live jobs

8 live roles

Faculty AI logo

Senior Data Scientist

Lead high-impact AI projects in the defence sector, designing data science approaches and robust software architectures while mentoring junior team members and delivering bespoke, ethical AI solutions. Work across the full project lifecycle, from technical conception to client delivery, ensuring rigorous, measurable outcomes. Combine hands-on technical work with leadership and thought leadership in real-world, high-stakes environments.

Faculty AI London, United Kingdom
Remote Permanent Flexible Clearance Required

Senior Data Scientist

The role involves end-to-end ownership of international analytics and data science operations for a SaaS company, focusing on revenue monitoring, regulatory reporting, and maintaining production ML models across the UK and Canada. The individual will troubleshoot data pipelines, support email campaigns and experimentation, handle urgent regulatory requests, and ensure model health without rebuilding. Emphasis is on operational reliability, cross-functional collaboration, and clear communication under tight deadlines.

EF Recruitment London, United Kingdom £400 – £450 pd

Senior Data Scientist

A Senior Data Scientist role focused on developing machine learning models for customer risk assessment and pricing within a digital business. The role involves working with large, complex datasets, exploring new data sources, and building geospatial and claims-related models. The candidate will lead projects from conception to delivery and mentor junior team members.

Harnham - Data and Analytics Recruitment Bexhill-on-Sea, TN39 3JX, United Kingdom £60,000 – £75,000 pa

Senior Data Scientist

This role involves working on complex pricing problems in the insurance industry, building predictive models to understand risk and customer behavior, and translating analysis into commercial recommendations. The data scientist will have clear ownership of their work and direct impact on business outcomes.

Harnham - Data and Analytics Recruitment London, United Kingdom £100,000 – £130,000 pa
Hybrid Permanent

Senior Product Data Scientist

This role involves working within a cross-functional product squad to use data science in shaping product decisions and improving customer outcomes. The Senior Product Data Scientist will leverage SQL and Python to analyze customer behavior, run experiments, and build data-driven features. Emphasis is placed on hypothesis-driven problem solving, influencing product direction, and communicating insights across technical and non-technical teams.

Datatech Brighton, East Sussex, United Kingdom £80,000 – £90,000 pa
Hybrid Permanent

Senior Research Data Scientist

As a Senior Research Data Scientist, you will lead the development of advanced AI models and capabilities, focusing on transformer-based architectures and generative AI. You will collaborate with senior leaders, engineers, and academic partners to translate innovative research into scalable solutions that drive business value and strategic growth.

dunnhumby London, United Kingdom
On-site Permanent

Senior Applied Data Scientist

This role involves leading end-to-end data science projects to enhance customer personalisation for major retail clients like Tesco UK. You'll work with large-scale transactional data, design and evaluate A/B tests, and deploy machine learning solutions in a collaborative, innovative environment. The position emphasizes technical excellence in Python and SQL, alongside the ability to translate complex insights for diverse stakeholders.

dunnhumby London, United Kingdom
Hybrid Permanent

Senior Data Scientist

This role involves developing innovative pricing models using complex data sources to improve competitiveness and customer accessibility. You'll work on alternative pricing, geospatial modelling, and residual modelling, collaborating with a small, forward-thinking team and mentoring junior members.

Harnham - Data and Analytics Recruitment Leicester, LE1 5YA, United Kingdom £60,000 – £75,000 pa
Hybrid Permanent
Hiring locations

Where this role is hiring

The locations with the most live listings for this role today.

London

Location
5 open
FAQs

Common questions

  • Essential skills include advanced statistics, machine learning, programming (Python, R), data visualisation, and strong communication abilities.

  • Gain experience in leading projects, developing complex models, and mentoring junior team members. Continuously improve your technical and leadership skills.

  • Responsibilities include designing and implementing advanced data models, managing data science projects, and mentoring junior data scientists.

  • A Senior Data Scientist has more experience, leads projects, and mentors junior team members. They also have a broader impact on organisational data strategy.

  • Salary ranges can vary widely based on experience, location, and industry. For specific salary information, please refer to the salary section on this page.

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