Shape the Future of AIJoin one of the UK's fastest-growing companies and become a Professional Development Expert in Artificial Intelligence.

View Roles

Senior Consultant, Data Scientist - Financial Services

EY
City of London
1 month ago
Applications closed

Related Jobs

View all jobs

Senior Consultant – Data Science

Data Scientist Senior Consultant

Senior Consultant - Data Science

Senior Data Scientist - Home Insurance

Senior Data Scientist

Senior Data Scientist - Pricing

The financial services industry is currently undergoing a period of unparalleled change. The banks and financial institutions have been subjected to stringent regulations, increased supervision, and overall global economic instability. These changes have not come without a cost and have made these institutions re-evaluate the way they have been doing business traditionally. Moreover, the proliferation of technological advances including disruptive technologies and digital are compounding the pressures of maintaining competitiveness, being adaptable and increasing profit margins.EY continues to invest in growing its EMEIA Digital and Emerging Technology (DET) practice focused on delivering key Digital transformation programs,building valuable relationships with financial services clients, and developing strong capabilities through both formal training and working with senior mentors and talented colleagues from across EY.The DET practice is akin to a start-up with EY, and we are seeking high calibre and experienced Data Scientists to join this growing team.


The opportunity at EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. As you read through the qualifications below and don't quite check all the boxes, please apply anyway. If your peers recognize you as top technical talent and the formal or informal leader of your group, please apply anyway.The Data Science Team within RiskOps team is highly engaged with our clients making use of their critical thinking skills with a business-focused mentality and customer-facing attitude. They activate, maintain, and support clients, develop models and rules, and train & enable them. In addition, they work cross-functionally with other departments (e.g., Research, Product, Marketing) in a collaborative team spirit spanning the globe to ensure we deliver best in class risk prevention solutions


Your key responsibilities

  • Develop a thorough understanding of the data science lifecycle, including data exploration, preprocessing, modelling, validation, and deployment.
  • Design, build, and maintain tree-based predictive models, such as decision trees, random forests, and gradient-boosted trees, with a low-level understanding of their algorithms and functioning.
  • Hyperparameter tuning for existing machine learning models to optimize performance.
  • Collaborate with cross-functional teams to understand business needs and provide data-driven solutions and insights.
  • Conduct A/B testing and other model validation techniques to ensure the accuracy and reliability of data models.
  • Communicate complex data insights to non-technical stakeholders through clear and actionable reports.
  • Apply domain knowledge (if applicable) in financial fraud to enhance predictive modelling and anomaly detection capabilities.


Skills and attributes for success

  • Strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy.
  • In-depth knowledge of machine learning algorithms, particularly tree-based models, and their application to structured data
  • Familiarity with SQL and experience working with relational databases.
  • Python/R programming experience (pandas, scikit-learn, matplotlib, etc)
  • Excellent problem-solving skills and the ability to work in a fast-paced environment.
  • Strong communication skills to effectively collaborate with team members and present findings to stakeholders.
  • A good understanding of the financial fraud domain is preferred, with the ability to apply this knowledge to data analysis and fraud detection.
  • Critical thinking & translate technical problems into business usable and understandable language
  • Big Data Experience (Spark)


What we look for

  • Empathy- You feel for the customer and the team, and the way you communicate and the decisions you make reflect this.
  • Grit- When the situation calls for it, you roll up your sleeves and get your hands dirty to get the job done. Circumstances are never ideal, and you embrace this, gracefully towing the line between teaching a person to fish and feeding it to them on a platter.
  • Patience- You don’t lose your cool and even in the most extreme crucial conversation, you maintain a sense of calm that others feed off, both within RiskOps team and externally
  • Experience- You’ve been there, seen that. Very little surprises you, and your toolbox is full, knowing exactly when to pull one approach over another for the situation at hand.
  • Resourceful- You don’t have all the answers, but you know exactly where to go to find them without being told. You’re autonomous and solve problems creatively.


What working at EY offers

We offer a competitive remuneration package where you’ll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:

  • Support, coaching and feedback from some of the most engaging colleagues around
  • Opportunities to develop new skills and progress your career
  • The freedom and flexibility to handle your role in a way that’s right for you


About EY

As a global leader in assurance, tax, transaction and advisory services, we’re using the finance products, expertise and systems we’ve developed to build a better working world.


That starts with a culture that believes in giving you the training, opportunities and creative freedom to make things better. Whenever you join, however long you stay, the exceptional EY experience lasts a lifetime.


And with a commitment to hiring and developing the most passionate people, we’ll make our ambition to be the best employer by 2020 a reality. If you can confidently demonstrate that you meet the criteria above, please contact us as soon as possible.


Join us in building a better working world.

Apply now.


Who we are

EY is committed to being an inclusive employer and we are happy to consider flexible working arrangements. We strive to achieve the right balance for our people, enabling us to deliver excellent client service whilst allowing you to build your career without sacrificing your personal priorities. While our client-facing professionals can be required to travel regularly, and at times be based at client sites, our flexible working arrangements can help you to achieve a lifestyle balance


Please note:Prior to finalizing your application, you will be asked to provide personal information across several dimensions of diversity and inclusiveness. The information you provide is kept entirely confidential and will not be used to evaluate your candidacy. We collect this data to help us analyse our recruitment process holistically and implement actions that promote diversity and inclusiveness. While optional, we encourage you to provide this information to hold us accountable towards our goal of building a better working world. We ask because it matter

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

10 Machine‑Learning Recruitment Agencies in the UK You Should Know (2025 Job‑Seeker Guide)

With deep‑learning projects now integral across healthcare, finance and tech, UK demand for machine‑learning talent is booming. Lightcast shows +50 % YoY growth in UK adverts referencing “machine learning,” “deep learning,” “computer vision” or “reinforcement learning” in Q1 2025. Monthly vacancies sit around 1,800–2,100, but certified ML specialists number fewer than 15,000. Specialist recruiters help candidates access hidden roles, competitive packages, and structured interview prep. How we screened: Only UK‑registered agencies with clear ML/AI or Data practices Agencies that posted ≥ 5 UK ML roles between March and June 2025

Machine Learning Jobs Skills Radar 2026: Emerging Tools, Frameworks & Platforms to Learn Now

Machine learning is no longer confined to academic research—it's embedded in how UK companies detect fraud, recommend content, automate processes & forecast risk. But with model complexity rising and LLMs transforming workflows, employers are demanding new skills from machine learning professionals. Welcome to the Machine Learning Jobs Skills Radar 2026—your annual guide to the top languages, frameworks, platforms & tools shaping machine learning roles in the UK. Whether you're an aspiring ML engineer or a mid-career data scientist, this radar shows what to learn now to stay job-ready in 2026.

How to Find Hidden Machine Learning Jobs in the UK Using Professional Bodies like BCS, Turing Society & More

Machine learning (ML) continues to transform sectors across the UK—from fintech and retail to healthtech and autonomous systems. But while the demand for ML engineers, researchers, and applied scientists is growing, many of the best opportunities are never posted on traditional job boards. So, where do you find them? The answer lies in professional bodies, academic-industry networks, and tight-knit ML communities. In this guide, we’ll show you how to uncover hidden machine learning jobs in the UK by engaging with groups like the BCS (The Chartered Institute for IT), Turing Society, Alan Turing Institute, and others. We’ll explore how to use member directories, CPD events, SIGs (Special Interest Groups), and community projects to build connections, gain early access to job leads, and raise your professional profile in the ML ecosystem.