Equifax Inc. Logo

Equifax Inc.

Data Scientist - Fraud

Posted One Month Ago
Be an Early Applicant
In-Office
London, England, GBR
Senior level
In-Office
London, England, GBR
Senior level
Develop fraud scores, statistical models, machine learning algorithms, and analytical products using credit bureau, transactional, and alternative data. Apply regression, AI/ML, segmentation, and champion-challenger techniques to fraud prevention solutions. Extract and blend complex datasets, document model development, support validation and deployment, and collaborate with product, compliance, risk, technology, and global analytics teams.
The summary above was generated by AI

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds,  and make a meaningful impact, we want to hear from you.

Come join the Equifax UK Data & Analytics  team and develop market leading fraud scores, models and analytical solutions using the latest cloud based technologies, techniques and tooling. Be part of a growing and diverse team tasked with creating the next generation of statistical models, machine learning algorithms and AI based products and services.


We believe great things happen when teams connect. Our schedule is built around 4 days of high-impact, in-office collaboration (Monday–Thursday), paired with Friday Flexibility to wrap up your week remotely. 


What You’ll Do
  • Develop market leading statistical fraud models and pseudo-models for the Equifax UK business e.g. consumer fraud models, commercial fraud models, synthetic fraud, payment intent models, and loan stacking indicators and models Utilise and blend all available data sources to ensure all fraud models are highly predictive and market leading - consumer bureau data, postcode insights, open source data,transactional insights & fraud indicators from partnerships
  • Apply traditional model development techniques and approaches (e.g. logistic regression) as well as adopting new AI/ML techniques such as gradient boosting, random forests, clustering, etc.
  • Utilise the latest cloud based technologies and analytical tooling to support test-and-learn champion/challenger approaches towards new fraud scores and models
  • Consider the creation of new characteristics/attributes to improve and maximise the predictive power of the model(s) as well as enhancing and creating other analytical products and services. This can be done through expert approaches or through AI approaches (e.g. transformers)
  • Investigate and apply appropriate segmentation and sub-populations to maximise overall model & score performance
  • Liaise with internal stakeholders in a timely and effective manner towards the delivery of new scores and products e.g. Product Managers, Model Risk Management, Pre-Sales, Consultancy, Compliance, Technology, Data & Analytics etc.
  • Work closely with Data Scientists and analytical teams globally across the Equifax business to share best practice and learnings
  • Adhere to relevant model development policies and procedures towards a successful deployment of scores and models e.g. sample design, good/bad definitions, rationale for exclusions, model development, model validation, implementation, etc.
  • Produce suitable documentation alongside the statistical development of the model(s) to support peer review and Model Risk Management processes

What experience you need
  • Experience using credit bureau data in statistical fraud models - raw and summarised data
  • Extensive experience developing statistical models and scores particularly within fraud (consumer and commercial)
  • Highly numerate with a relevant degree 2:1 or above
  • Use of relevant analytical tooling on a day-to-day basis e.g. Python, SAS, BigQuery, Jupyter Notebook, SQL, etc.
  • Previous experience of developing regression models and scores - e.g. logistic
  • Day to day exposure to large/complex datasets, analytical tools, spreadsheets, analytical platforms, etc.
  • Able to extract data from multiple platforms and create master datasets towards the development of statistical models
  • Experience across different fraud types, e.g. consumer fraud, commercial fraud, Anti-Money Laundering, KYC.
  • A team player, effective communicator with the ability to work unsupervised
  • Understanding of the regulatory landscape with respect to consumer & commercial credit and the potential impact to our clients (i.e. addressing the "why" behind our decision making)

What could set you apart
  • Experience of developing AI/ML based fraud solutions and models
  • Day to day use of G-Suite tooling, GCP and VertexAI
  • Experience of working in a credit reference agency and/or client environment e.g. Banking, Lending, Insurance, Public Sector, Utilities, etc.
  • Use of LLMs to improve efficiencies in the model building process
  • Use of alternative data such as open banking transactional data in statistical models
  • Experience of working in a product development environment
  • Experience with industry related fraud prevention tools (e.g. Hunter, Kount, SEON, ThreatMetrix, Lexisnexis, Minerva, CrossCore, TruValidate, FICO Falcon, etc.)
  • Experience with standard product testing procedures (UAT, OAT, regression, etc.)
  • Adoption of champion/challenger approaches and techniques
  • Creative and innovative thinker
  • Strong track record of delivery
  • Team player with the ability to go above and beyond

The Perks of being a Equifax Employee?

We offer a wide range of company supported benefits including contributory pension, life cover, income protection, healthcare, enhanced maternity and sick pay, 26 days holiday and a day off for your birthday, with the ability to buy and sell and free credit checks. We also offer flexible benefits ranging from cycle to work, discounted travel options, gym membership, dining and leisure discounts, financial & savings plans, mobile discounts plus much more!

We also support personal development and have a range of learning options including our global online learning platform and allow you to bring your whole self to work supported by our Inclusion and Diversity, Wellbeing and Employee Engagement forums.

Are you ready to power your possible?  Apply today, and get started on a path toward an exciting new career at Equifax, where you can make a difference!
 

Primary Location:

GBR-London

GBR-Leeds-6-Wellington, GBR-Nottingham

Function:

Function - Data and Analytics

Schedule:

Full time

Equifax Inc. London, England Office

1 Angel Court, London, United Kingdom, EC2R 7HJ

Similar Jobs

Yesterday
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Artificial Intelligence • Software
Provides international regulatory and compliance counsel across the UK, Europe, APAC, the Middle East, and other jurisdictions. Develops compliance policies and processes; monitors anti-corruption, sanctions, privacy, AI, ESG, and contractual requirements; supports training, risk assessments, investigations, and whistleblower processes; advises business stakeholders; and builds relationships with regulators. The role requires independent legal judgment, strategic risk analysis, and collaboration across global teams.
Top Skills: Artificial Intelligence
Yesterday
In-Office
Expert/Leader
Expert/Leader
Artificial Intelligence • Cloud • Information Technology • Consulting
Owns and executes a worldwide high-velocity sales program for HPE Networking’s Mist offering targeting SMB and midmarket customers. Responsibilities include managing quota and forecasts, coordinating regional sales teams and global stakeholders, developing partner programs, analyzing market and competitive data, tracking performance metrics, supporting sales enablement, and guiding quota distribution and sales priorities.
Top Skills: Computer NetworkingIt
Yesterday
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
Build and maintain internal AI systems, including machine learning and generative AI pipelines for training, deployment, monitoring, knowledge management, data analysis, automation, and decision support. Optimize scalable AI infrastructure, integrate and transform data, and collaborate with data scientists and business teams. The role requires full-stack software development, cloud and Kubernetes deployment, generative AI expertise, and end-to-end application ownership.
Top Skills: GCPKubernetesLangchainLanggraphOpenaiPythonRag

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account