Computer Programming jobs in Belfast

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Job Summary

We are seeking a motivated Front-end Web Developer to join our development team. The successful candidate will work alongside experienced developers to build, test, and maintain web applications using React on the frontend and Java on the backend. This role is ideal for someone looking to develop their software engineering skills in a collaborative environment.

Responsibilities:

• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code

• Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems

• Apply fundamental knowledge of programming languages for design specifications.

• Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging

• Serve as advisor or coach to new or lower level analysts

• Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions

• Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents

• Has the ability to operate with a limited level of direct supervision.

• Can exercise independence of judgement and autonomy.

• Acts as SME to senior stakeholders and /or other team members.

• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Role Responsibilities

• Develop and maintain user interfaces using React.js.

• Build and support backend services using Java and related frameworks.

• Write clean, maintainable, and well-documented code.

• Participate in code reviews and team discussions.

• Debug and resolve application issues.

• Collaborate with designers, developers, and stakeholders to deliver features.

• Create and execute unit and integration tests.

• Assist with database design and queries.

• Learn and apply software development best practices.

Required Skills & Qualifications

Education

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

Technical Skills

• Commercial experience of React.js, JavaScript, HTML, and CSS.

• Understanding of Java

• Familiarity with REST APIs.

• Knowledge of version control systems such as Git.

• Knowledge of Agile/Scrum methodologies

• Basic understanding of SQL databases.

• Understanding of object-oriented programming concepts.

• Experience with Spring Boot and TypeScript would be advantageous but not essential.

Soft Skills

• Strong problem-solving ability.

• Good communication skills.

• Willingness to learn and accept feedback.

• Ability to work effectively within a team.

• Attention to detail.

  
  

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