Lead Data Scientist

GSK; Greater London; On-site; GBP 60,000 - 85,000; Full time

Job summary

A leading global biopharma company seeks a Lead Data Scientist to support their Enterprise AI team. The ideal candidate will develop, implement, and optimize machine learning models using Python and R to drive business value. Requirements include a degree in a quantitative field and experience in data or AI roles. Strong analytical and communication skills are essential. You'll work with various departments to align strategies and present insights. This position helps shape innovations that aim to positively impact global health.

Qualifications

• Previous experience in a data or AI-related role, preferably within the healthcare or pharmaceutical industry.
• Familiarity with statistical learning models and concepts.
• Detail-oriented and organized, with the ability to manage multiple tasks and prioritize.

Responsibilities

• Develop, implement and optimise machine learning and statistical models using Python and R.
• Create and deploy models designed to address strategic business challenges.
• Work closely with stakeholders from various departments to ensure alignment of data science initiatives with business objectives.
• Prepare and deliver presentations to communicate results and findings.

Skills

Python

R

SQL

Statistical analysis

Communication skills

Problem-solving

Analytical thinking

Education

Bachelor’s or Master’s degree in data science, statistics, computer science or similar quantitative field

Tools

Databricks

Job description

GSK remains committed to achieving bold commercial ambitions for the future. By 2031, we aim to deliver £40 billion in annual sales, leveraging our existing strong performance momentum to significantly increase our positive impact on the health of billions of patients globally. Our Ahead Together strategy is centered on early intervention to prevent and alter the course of disease, thereby protecting people and supporting healthcare systems.

Our diverse portfolio consists of vaccines, specialty medicines, and general medicines. Through continuous innovation and a dedicated focus on scientific and technical excellence, we strive to develop and launch new, groundbreaking treatments that address critical health challenges.

In the role of Lead Data Scientist, you will support the development of data science products within GSK’s Enterprise AI team. This role involves coding in Python & R to develop innovative data science use cases, with a focus on statistical data science applications to assist in commercial decision making, operations and strategy. You will be part of a collaborative, cross‑functional team and will work with product owners, data engineers and software developers to support the successful delivery and continuous improvement of our data science product portfolio.

The ideal candidate will have a strong analytical mindset, a solid grasp of programming fundamentals and statistical concepts, excellent communication skills, and a passion for exploring cutting‑edge data science capabilities to deliver innovative use cases to help GSK reach its ambition to positively impact the health of 2.5 billion people by the end of the decade.

In this role you will

• Develop, implement and optimise machine learning and statistical models using Python, R, or SQL, while ensuring the underlying data is properly gathered, validated, and prepared to support business‑driven solutions
• Create and deploy models designed to address strategic business challenges and opportunities, driving measurable business value and enhancing decision‑making processes
• Lead and support value measurement initiatives by coordinating project teams, driving analytical approaches, and overseeing execution to deliver actionable business insights
• Work closely with stakeholders from Marketing, Commercial, Finance, and other departments to understand data needs, provide insights, and ensure alignment of data science initiatives with business objectives
• Prepare and deliver presentations to communicate results and findings to internal stakeholders
• Stay abreast of emerging trends in the field of data science

Why you?

Basic Qualifications

• Bachelor’s or Master’s degree in data science, statistics, computer science or similar quantitative field.
• Previous experience in a data or AI‑related role, preferably within the healthcare or pharmaceutical industry.
• Strong analytical and problem‑solving skills, with the ability to interpret complex data and generate actionable insights.
• Proficiency in programming languages such as Python, R, or SQL.
• Familiarity with statistical learning models and concepts.
• Familiarity with data science algorithms and data structures.
• Excellent communication and interpersonal skills, with the ability to work effectively in a team‑oriented environment.
• Detail‑oriented and organised, with the ability to manage multiple tasks and prioritise.
• A proactive and self‑motivated approach to work, with a strong desire to learn and grow in the field of data science.

Preferred Qualifications

• Experience with cloud platforms such as Databricks
• Experience working in an agile environment.

Closing Date for Applications

Friday 30th January 2026 (COB)

Please take a copy of the Job Description, as this will not be available post closure of the advert.

When applying for this role, please use the ‘cover letter’ of the online application or your CV to describe how you meet the competencies for this role, as outlined in the job requirements above. The information that you have provided in your cover letter and CV will be used to assess your application.

During the course of your application, you will be requested to complete voluntary information which will be used in monitoring the effectiveness of our equality and diversity policies. Your information will be treated as confidential and will not be used in any part of the selection process. If you require a reasonable adjustment to the application / selection process to enable you to demonstrate your ability to perform the job requirements, please contact 0808 234 4391. This will help us to understand any modifications we may need to make to support you throughout our selection process.

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GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, colour, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law.

We believe in an agile working culture for all our roles. If flexibility is important to you, we encourage you to explore with our hiring team what the opportunities are.

For more information, please visit the Centers for Medicare and Medicaid Services (CMS) website at https://openpaymentsdata.cms.gov/

Why GSK?

Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases – to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.