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Senior UI Server Full Stack Engineer - Fixed Income Tech

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Senior UI Server Full Stack Engineer position in Fixed Income Technology at Citi, focusing on designing and developing robust, scalable applications for financial systems

Job Responsibility:

  • Designing and developing robust, scalable, and maintainable applications
  • Implementing message-driven systems for reliable, asynchronous processing
  • Building sophisticated tooling for development and production team use

Requirements:

  • Full-stack engineer with experience in designing and developing robust, scalable, and maintainable applications applying Object Oriented Design principles
  • Knowledge and experience of Java development using Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate
  • Experience designing and implementing message-driven systems for reliable, asynchronous processing in low-latency, high-throughput, distributed environments
  • Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning
  • Proficient in multithreading, concurrency and performance tuning
  • Experience with caching technologies (e.g., Gemfire, Redis)
  • Experience with middleware (Tibco, Solace)
  • Openshift/Kubernetes experience is a plus
  • Experience with Agile software development processes with strong emphasis on test driven development
  • Strong knowledge of CI/CD pipelines and experience in tools such as JIRA, BlackDuck, SONAR
  • Demonstrated capacity to build sophisticated tooling for development and production team use
  • Solid experience with relational databases (e.g., Oracle, SQL Server) and NoSQL databases (e.g., MongoDB) in financial systems
  • Experience with microservices architecture and containerization (e.g., Docker, Kubernetes)

Nice to have:

  • Hands-on experience in designing and developing secure, scalable, and high-performance financial applications
  • Understanding of financial concepts such as payments, transactions, trading, risk management, and financial reporting
  • Proficiency in working with financial protocols (e.g., FIX) and integration with external financial data sources and APIs
  • Knowledge of trading systems and algorithmic trading platforms
  • Familiarity with Agile/Scrum methodologies
What we offer:
  • 27 days annual leave (plus bank holidays)
  • 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 learning and development resources
  • Business casual workplace
  • Hybrid working model (up to 2 days working at home per week)

Additional Information:

Job Posted:
October 21, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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