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Overview of Citi:

Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide 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. We enable 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.

Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 3000 people from over 40 different nationalities across our four Belfast offices.

We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients.

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter.

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.

Job Criteria:

• Either:

  • Experience with complex data analytics

  • Proficiency with advanced data science techniques

• Proficiency with python and development best practices

• Proficiency with SQL or a similar query language

• Knowledge and experience in any of the following subject areas:

  • Probability statistics

  • Statistical modelling

  • Heuristic modelling

  • Machine Learning

  • Deep learning

  • NLP

• A willingness to continually grow your sphere of competence

• Excellent written and verbal communication skills with the ability to communicate technical information to a variety of audiences

• Analytic, problem-solving mindset

• Outstanding attention to detail

In addition, the following will be a distinct advantage in the role:

• Experience running end-to-end projects

• High level of expertise working with Big Data and Big Data systems (Hadoop, Spark/PySpark, Hive)

• Comfort working with distributed teams spanning multiple time zones

• Familiarity with the Agile framework

• Experience in software development

• Degree in Machine Learning, Computer Science, Physics, Engineering, Statistics, Applied Mathematics, or any other equivalent qualification relevant to the field.

What We Offer:

We work hard to have a positive financial and social impact on the communities we serve. In turn, we put our employees first and provide the best-in-class benefits they need to be well, live well and save well.

We’ll provide you with the resources to meet your unique needs, empower you to make healthy decisions, and allow you to choose which benefits suit you and your personal life best.

Visit our Global Benefits page to learn more.

Highlights to our core benefits include:

• 
  Award winning pension
• On-site health services
• Private medical insurance packages to suit your personal circumstances
• Paid parental leave
• Generous holiday allowance starting at 27 Days plus bank holidays; increasing with tenure

Citi Belfast also champions diversity within our workforce, which helps us be well and live well together. We have over 40 different nationalities in our Northern Ireland offices, are a vocal supporter of LGBTQ+ rights, and are proud to have 47% of our leadership team made up of individuals who identify as women.

We encourage and lead inclusivity through our Pride, Disability, Multicultural, Families Matter, and Women affinity networks that are run by and for, Citi Belfast colleagues; providing them with the support they need in their personal and professional journeys and supplying them with the tools to help educate colleagues on all things related to each network to help us work better together.

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Citi is an equal opportunity and affirmative action employer.

Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

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View the EEO Policy Statement.

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