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Job Details


Belfast, Northern Ireland


Senior User Interface Developer (Hybrid)

  • 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 Overview:

    Securities Services Technology (SST): Supports Business providing execution, flow, and clearing services for exchange traded derivatives and OTC securities for broker dealers and investors. We also provide direct custody and clearing services to broker dealers, and global custody and funds services to large investors.

    The Custody Technology within SST has embarked on big transformation initiative which aims to streamline the architecture and improve our tech stack. The team under which you would be joining will build brand new user interfaces as part of the initiative.

    Role Overview:

    We are seeking a Senior User Interface (UI) developer with strong data/event-driven design and implementation skills to implement our next generation Custody technology. This is a delivery-focused role, and includes elements of design, engineering, implementation and quality.


    • Senior software engineer, delivering end to end development

    • Work closely with Business - Operations and Product teams to devise the next generation of UI screens

    • Help shape the UI strategy within Custody Technology as part of the senior UI Guild

    • Collaborate with UX experts in design phase

    • Contribute to design and system architectures

    • Provide technical and functional expertise to the team

    • Mentor junior team members

    • Work proactively & independently to address project requirements, and articulate issues/challenges with enough lead time to address project delivery risks

    Required Skills/Experience:


    • Strong event-driven architecture, design and development skills

    • Front-end development experience React or Angular

    • Strong knowledge of JavaScript/typescript, HTML and CSS

    • Good understanding in development of responsive and scalable web applications

    • Experience with test frameworks like Jest, Mocha, React Test library etc

    • Experience with writing and deploying services as containers to a K8s environment for example Red Hat OpenShift

    • Understanding of DevOps automation tools

    • Understanding and passion for writing clean code

    • Understanding of TDD and BDD testing and working closely with analysts on user stories and test criteria

    • Experience working in mixed/virtual/diverse environments (small co-located team with a larger team in another location)


    • Financial services experience

    • Knowledge of resilient enterprise systems

    • Knowledge of engineering for the cloud and practical experience on the same


    • Bachelor’s degree/University degree or equivalent experience

    • Master’s degree preferred

    This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.


    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. 

Apply Now

Applications processed via employer's online application form