Senior Data Analyst - Fraud Analytics

Just Eat Holding Limited; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading online delivery platform in London is seeking a Senior Data Analyst to identify and prevent fraudulent activities. You will analyze complex datasets, design fraud prevention strategies, and mentor junior analysts. The ideal candidate has strong SQL and data visualization skills and an agile mindset. Join an innovative team at an influential global company committed to inclusivity and growth.

Qualifications

• Proven experience in an analytics role, preferably in fintech or e-commerce.
• Deep understanding of common fraud typologies.
• Strong communication to translate complex data for all audiences.

Responsibilities

• Proactively analyse datasets to identify fraud patterns.
• Design and implement fraud prevention rules.
• Build and maintain dashboards for tracking key metrics.

Skills

Analytical skills

SQL proficiency

Data visualization

Communication skills

Agile methodologies

Tools

Looker

Tableau

GitHub

BigQuery

Jira

Job description

We are looking for a highly analytical and experienced Senior Data Analyst – Fraud Analytics to join our dynamic team in London. In this critical role, you will be responsible for identifying, mitigating, and preventing fraudulent activity across our platform. You will dive deep into complex datasets to uncover fraud patterns, develop preventative strategies, and protect our business from financial and reputational damage. This is a fantastic opportunity to make a tangible impact, mentor junior team members, and help shape the future of fraud prevention at a global scale.

Responsibilities

• Proactively analyse large, complex datasets using SQL to identify emerging fraud trends and patterns across various domains, including refund abuse, payment fraud, chargebacks, and voucher abuse.
• Design, implement, and monitor the effectiveness of fraud prevention rules and strategies to minimise losses while ensuring a positive customer experience.
• Build and maintain insightful dashboards and reports using Looker and Tableau to track key fraud metrics and communicate performance to the wider business.
• Translate complex analytical findings into clear, concise, and actionable recommendations for non‑technical senior stakeholders, including Product, Operations, and Finance teams.
• Collaborate effectively with cross‑functional teams within an Agile environment, using Jira to manage workloads, prioritise tasks, and run sprints for fraud‑related projects.
• Act as a subject matter expert, providing guidance and support to junior analysts within the team.

Qualifications

• Proven experience in an analytics role, preferably in fintech, e‑commerce, or marketplace (financial services/payment processing experience a plus).
• Deep understanding of common fraud typologies (refund abuse, payment fraud, chargebacks, promo abuse).
• Advanced proficiency in SQL (BigQuery experience a plus) and strong database acumen, including GitHub.
• Advanced data visualisation skills using tools like Looker and Tableau.
• Strong communication ability to translate complex data into clear, compelling narratives for all audiences.
• Comfortable presenting findings to influence senior and non‑technical decision‑makers.
• Agile Mindset: Familiarity with Agile methodologies; practical experience with Jira and working within a sprint environment.
• Sharp analytical mind with a passion for complex problem‑solving and a keen eye for detail.
• Cultural Awareness: Ability to achieve results in diverse, multi‑market/multi‑country environments.
• Nice‑to‑Haves: Experience in specialised fraud roles, working knowledge of fraud detection tools (rules/ML scores), experience with automations (e.g., Google Apps Script), and background in food/grocery e‑commerce.

Then Just Eat Takeaway.com might be the place for you. We're a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday‑night feast, a post‑gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of restaurant, grocery and convenience partners across the globe.

At Just Eat Takeaway.com (JET), we’re on a mission to be the world’s leading food delivery marketplace. Our Global Fraud Analytics team is at the heart of this mission, working tirelessly to create a safe and trustworthy environment for our customers, restaurant partners and couriers. We are a data‑driven, innovative team dedicated to protecting our platform from ever‑evolving threats. Our teams forge connections internally and work with some of the best‑known brands on the planet, giving us truly international impact in a dynamic environment. Fun, fast‑paced and supportive, the JET culture is about movement, growth and celebrating every aspect of our JETers. Thanks to them we stay one step ahead of the competition. No matter who you are, what you look like, who you love or where you are from, you can find your place at Just Eat Takeaway.com. We are committed to creating an inclusive culture, encouraging diversity of people and thinking, so all employees feel they truly belong and can bring their most colourful selves to work every day.

Want to know more about our JETers, culture or company? Have a look at our career site where you can find people’s stories, blogs, podcasts and more JET morsels.