Data Scientist

Sagacity; Greater London; On-site; GBP 55,000 - 75,000; Full time

Job summary

Sagacity is seeking a Data Scientist to join the Analytics Team and drive data-driven strategies for clients.

You will translate data into actionable insights, collaborating with stakeholders across data strategy, sales, account management, delivery and marketing, delivering end-to-end analytics projects.

Qualifications

• 2+ years' data science, analytics or statistical modelling experience.
• Degree in quantitative field (BSc, MSc, or higher).

Responsibilities

• Deliver data science projects from problem definition to actionable insights.
• Develop predictive models to optimise client operations.
• Build and maintain data pipelines ensuring data quality.
• Translate analyses into clear, commercially relevant recommendations.
• Support pre-sales and client engagement with data-driven value.

Skills

Statistical modelling

Machine learning

Data visualization

Communication

Stakeholder engagement

Problem solving

Data cleaning

Education

Bachelor's degree or MSc in quantitative field

Tools

Python

R

SQL

Databricks

Job description

As a Data Scientist within the Analytics Team, you will contribute to data-driven strategies for our clients. Working closely with the Data & Analytics Manager and senior colleagues, you will deliver data science projects and collaborate with stakeholders across data strategy, sales, account management, delivery and marketing.

You will bring solid technical skills and commercial awareness to deliver data solutions that drive measurable operational performance. This is a hands-on role - ideal for someone who thrives on translating data into actionable insight and producing high-quality outcomes.

About the Role

As a Data Scientist within the Analytics Team, you will contribute to data-driven strategies for our clients.

Responsibilities

• Deliver data science projects, from problem definition through to actionable insights and presentation of results
• Develop and apply predictive modelling, supervised and unsupervised machine learning techniques to optimise client operations and business outcomes
• Build and maintain data pipelines, ensuring data quality, consistency, and integrity across multiple sources and formats
• Translate complex analyses into clear, commercially relevant recommendations for clients and internal stakeholders
• Work with client teams to identify analytical opportunities, support marketing strategy, and quantify the impact of data-driven decision-making
• Support pre-sales and client engagement, helping to demonstrate the value of data insight
• Follow best practices in data science, reproducible research, and ethical AI
• Collaborate cross-functionally to enhance the company’s products and marketing data solutions

Qualifications

• 2+ years' experience in data science, analytics, or statistical modelling, ideally with commercial experience within the Telecoms, Banking or Utilities industries; or within a data-related consultancy
• Educated to degree level (postgraduate preferred) in a quantitative discipline such as Computer Science, Statistics, Mathematics, Economics, or similar

Required Skills

• Working knowledge of statistical and machine learning methods (e.g. logistic regression, gradient boosting, random forests, clustering, NLP)
• Proficient in Python and/or R, with strong experience in data quality, model development and feature engineering
• Strong command of SQL and familiarity with data engineering environments such as Databricks or similar
• Skilled in data visualisation and storytelling using tools such as Power BI, Tableau, Plotly, or Sigma
• Demonstrated ability to translate technical findings into strategic recommendations for non-technical audiences
• Commercially aware, with proven success in applying analytics to solve business problems
• Strong communicator; able to engage stakeholders and present findings with clarity and confidence
• Self-motivated, organised, and proactive, with the ability to manage multiple priorities and stakeholders in a fast-paced environment
• Willing to travel across the UK for client engagements
• Must have the right to work in the UK and a commitment to ongoing professional development

Preferred Skills

• Regular iteration on our machine learning methodologies, tools, and frameworks
• Consistent demonstration of technical excellence and commercial insight in all project deliverables
• Measurable contribution to the enhancement of Sagacity's data science and analytics product suite