Senior UI Server Full Stack Engineer - Fixed Income Tech, Citi

Citi

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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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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Senior UI Server Full Stack Engineer - Fixed Income Tech