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Lead Java Developer

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom , Belfast

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

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 Responsibility:

  • Define the architecture, design, development, code review, pairing, testing, and maintenance of applications
  • Design and implement scalable applications and services with a solid focus on quality, continuous integration, deployment, observability, metrics, and monitoring
  • Write testable code following clean coding and SOLID design principles, instilling best engineering practices across the wider firm
  • Perform code reviews and contribute to the overall quality, maintainability, and testability of software developed
  • Adapt to changes in priorities and requirements
  • Work closely with clients and stakeholders (e.g., Front Office, Quants, Risk, Operations, Regulatory teams) to define reference data requirements, ensure data quality and governance, and deliver robust solutions that materially impact the business and improve the end-user experience
  • Provide leadership to project and team from a region perspective
  • Collaborate with production support, BAs and other developers to help investigate and communicate on production issues, mentor junior developers helping resolve issues or blockers and provide general leadership to team

Requirements:

  • Very strong software development experience
  • Strong knowledge of Java and RESTful web services
  • Experience in developing performant code and a solid understanding of Java threading
  • Experience working with git based source code management
  • Good understanding of clean coding and SOLID principles
  • Proficiency in code quality measurements using tools like Sonar
  • Familiarity with and ability to leverage AI-powered development tools and platforms (e.g., code generation, intelligent refactoring, testing assistance) to enhance productivity and code quality
  • A team player comfortable working in a team that deals with ambiguity and problem-solving
  • Ability and willingness to mentor junior team members
  • University degree or equivalent experience preferred

Nice to have:

  • Strong understanding of financial reference data, data modeling, data governance, and data quality management concepts
  • Experience integrating with and managing static data from various financial market data providers
  • Familiarity with different persistent storage technologies involving both SQL and NoSQL
  • Experience working within an Agile environment
What we offer:
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources

Additional Information:

Job Posted:
May 17, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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