Senior Front-End Web Developer (AVP)

Company: Citigroup
Apply for the Senior Front-End Web Developer (AVP)
Location: Belfast
Job Description:

Overview

In this role you will help shape Citi’s web applications by building responsive UI with React and supporting backend services in Java. You’ll work with experienced engineers in a collaborative, mentorship‑driven environment and contribute to secure, scalable software used across global markets. The position blends frontend and backend work, emphasizing code quality, testing and teamwork. You’ll join a high‑scale tech team delivering impactful financial technology with opportunities for growth and hybrid work arrangements.

Pay / Benefits

  • hybrid working model
  • 27 days annual leave
  • discretionary annual bonus
  • Private Medical Care & Life Insurance
  • Pension Plan
  • Learning and development resources

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

Key requirements

  • Commercial experience with React.js, JavaScript, HTML, and CSS
  • Understanding of Java
  • Familiarity with REST APIs
  • Knowledge of Git (version control)
  • Knowledge of Agile/Scrum methodologies
  • Basic understanding of SQL databases
  • Object-oriented programming concepts
  • Experience with Spring Boot and TypeScript would be advantageous
  • Strong problem-solving ability
  • Good communication skills
  • Willingness to learn and accept feedback
  • React.js
  • JavaScript
  • HTML

…

Posted: October 23rd, 2026