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Job Details


Belfast, Northern Ireland


Data Scientist

  • Overview of Citi:

    Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Citi enables clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity.


    Team/Function Overview:

    Compliance Technology is building sophisticated next generation surveillance solutions backed by a distributed data platform encompassing both markets and communications data. The Data Science team is responsible for conducting research, developing new features and modelling approaches and building out surveillance solutions to mitigate Citi’s risk from bad actors and market abuse. The team works with a range of data and business partners to determine what constitutes risky or illicit behaviour in a range of business areas and develop solutions to identify such incidents.


    Development Value:

    The candidate will receive:

    • Global exposure to senior leaders in the Institutional Compliance space

    • Proficiency at operating within a Big Data environment applying cutting edge techniques to enhance and on-board new surveillance types

    • Exposure to a variety of abuse detection techniques and the development of novel ones spanning heuristic, machine and deep learning spheres

    • Exposure to advanced NLP techniques to parse vast volumes of communications data to identify risk

    • Increased knowledge of traded products and their mechanisms across Equities, Rates, FX and Commodities

    • Experience working with high performing, research-oriented colleagues fueling a cycle of continual development

    • Appreciation of how deploying solutions at scale can influence the optimal approach


    Job Description and Responsibilities:

    As a Data Scientist in Compliance Technology you will have the opportunity to contribute to projects across the Markets Surveillance and E-Comms workstreams with responsibilities including:

    • Evolution of existing models and tools to expand and improve the risk coverage and surveillances we provide.

    • The creation of new models or tools according to our client’s needs.

    • Extraction and wrangling of big data to provide meaningful insights through complex analysis.

    • Conducting end-to-end projects spanning behavior definition, feature design, prototyping, evaluation, and delivery.

    • Actively engaging in relevant research projects to develop novel approaches to Compliance goals

    • Working with the team to break down business requests into actionable items.

    • Working in an open and collaborative manner – mentoring junior team members and leveraging the expertise of established colleagues.

    • Develop an in depth understanding of our data, models and goals and appreciate how they fit into the strategic decisions of the enterprise.

    • Proper documentation of work for model review and knowledge transfer

    • Work with our engineering, BI and product teams to bring solutions to production and report results accurately.


    Citi has a range of roles available for different levels of experience. While more senior roles require a candidate to have wider ranging and more developed expertise, experience in all domains of interest is not required.


    What We Offer:

    As well as a competitive salary and consideration for a yearly discretionary bonus Citi offer;

    • 23 days paid annual leave

    • Award winning pension scheme

    • Life assurance

    • Private medical insurance with Bupa healthcare


    In addition, we offer a competitive maternity, paternity and adoption leave scheme. We pride ourselves on our ability to offer employees a number of lifestyle benefits including; on site restaurant and coffee shops, online shopping and concierge service and subsidised clubs and societies.


    Our Select benefit package offers you the opportunity to customise your benefits according to your own lifestyle preferences and includes corporate discounts, memberships and a range of additional extras.


    Our vast range of diversity networks and on site multi faith room demonstrates Citi’s commitment to growing a diverse workforce.

Apply Now

Applications processed via employer's online application form