Flexible Working
Training & Development
Pension Scheme

Data Scientist

Salary £42k - £52K (pro rata if less than 35hrs per week)
Location London
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This is a Permanent, Full Time vacancy that will close in {x} days at {xx:xx} BST.

28-35hrs per week- open to discuss flexible working of these hours

Hybrid (40% in-office)

Salary £42k – £52K (pro rata if less than 35hrs per week

The ASA is the UK’s regulator of advertising across all media, including online. Our work includes taking proactive action against misleading, harmful, offensive or otherwise irresponsible ads and acting on complaints. In short, we make sure ads are legal, decent, honest and truthful.

In this role you will join our Data Science team and work on our world-leading Active Ad Monitoring system, which uses AI to proactively monitor online advertising. In 2025 the system captured and processed 60 million ads across social media, search and programmatic display. The ASA uses this intelligence to help regulate ads across high-priority topics like injectable weight-loss medications, green claims companies make to consumers, disclosure of influencer marketing and many more.

You will be analysing the large volumes of ads the Active Ad Monitoring system captures, providing intelligence that helps teams across the ASA tackle real-world issues in online advertising. You will work primarily in Python, making extensive use of AI models to extract meaning from text, images and videos, and turning unstructured data into actionable intelligence. You will also have a role in helping understand how AI can help accelerate processes across the ASA.

Our team mission is to protect UK consumers from adverts that are misleading, cause harm and target those within our society that are the most vulnerable. Working as part of our small agile team you will have the opportunity to own your work end-to-end, seeing directly how the work you do helps protect UK consumers.

About you

  • You will have a genuine enthusiasm for using data science and AI to improve ad regulation in the UK
  • You will hold or will shortly receive your results for a degree in a subject with a significant mathematical, statistical or software development component.
  • You will have the ability to write high-quality Python code
  • You will be able to apply statistical/machine learning techniques, and have an understanding of how they work and their limitations
  • You will have the ability to creatively solve complex problems, matching appropriate technical solutions to real-world challenges in regulating online advertising
  • You will be able to communicate clearly with non-technical coworkers, understanding the challenges they face and explaining your work
  • You’ll be impact focused, prioritising work and approaches that deliver real value

We are committed to building a workforce that reflects the full diversity of the UK population. We believe that varied perspectives and experiences strengthen our organisation and help us deliver our work more effectively.

We welcome applications from people of all backgrounds and identities, and we actively encourage candidates from minority or underrepresented groups to apply. Women are currently under‑represented within data science roles, and within our Data Science team. In line with our commitment to equality, diversity and inclusion, we particularly encourage applications from women and others who are under‑represented in this area. Our recruitment process ensures applications are absent of names or any identifiable information which supports our aim of finding the best person for the role based on their skills and experience only.

How to apply: If you’re interested in applying for this role, please review the job description below and complete our online application process which includes answering some online questions regarding your motivation and technical ability. Original thought is really important to us and this role. For that reason, we ask that you do not get AI to write your answers, but if you’d like AI to help you refine your thoughts, please do so. Should you require any adjustments to our application process please contact hr@asa.org.uk

Closing date: Sunday 12 July 2026. Please note we will be reviewing applications as they come in and we reserve the right to close the advert early if we receive a significantly high number of applicants.

Interview dates: 17, 20 and 21 July

We are the UK’s independent frontline regulator of ads by legitimate businesses and other organisations in all media, including online. We are authoritative and influential on ad regulation; the centre of expertise. The rules we administer and enforce are contained in the UK Advertising Codes, written by the industry Committees of Advertising Practice (CAP). To help maintain our independence from the industry that funds us, we are primarily funded at arm’s length by the Advertising Standards Boards of Finance (Asbof). Together, the ASA, CAP and Asbof make up the ASA system.

Our purpose is to make sure ads are responsible. Our ambition is to make sure every UK ad is a responsible ad. Our values are to be proactive, collaborative, accountable, transparent and decisive. We want external stakeholders to find us to be: independent in administering the Codes; evidence-based, proportionate, targeted and consistent; and reflective of society, not a social engineer.

We are passionate about what we do because responsible ads are good for people, good for society and good for business. They entertain and inform us, helping us to choose products and services. They fund the media, sport and culture we all enjoy. They can be a force for social good, encouraging us to contribute to good causes, make more responsible choices and stay safe. And they help deliver competition and power the economy. By making sure ads are responsible, we protect people from being misled, harmed or offended, helping them feel more confident in the ads they see and hear.

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