Senior Software Engineer, Citi

Senior Software Engineer

Citi

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Senior Engineer role on the XiNG large scale distributed calculation platform (XiP) designing, building, and maintaining the calculation engine responsible for approximately 0.5 billion risk & suitability calculations daily at Citi

Job Responsibility:

Take part of the shared responsibility for the long-term strategic direction of the XiP Calculation Engine
Serve as advisor or coach to team members, allocating and overseeing work
Implement changes and improvements to Citi's Risk Calculation Engine
Operationally support the optimization of Risk calculations
Plan, coordinate, and execute strategic changes to the engine to reach the next scaling milestone
Provide specialized customer support to optimize and improve large, distributed calculations

Requirements:

Multiple years professional software development experience with Java
Solid experience with Java frameworks (e.g., Spring, Spring Boot, Quarkus)
Experience designing, building, and maintaining large-scale, distributed systems
Experience with RESTful API design and implementation
Strong understanding of object-oriented programming and design patterns
Exposure to NoSQL databases (e.g., MongoDB, Cassandra) is a plus
Exposure to cloud platforms (e.g., AWS, Azure, GCP) and containerization (e.g., Docker, Kubernetes) is desirable
Experience with unit testing, integration testing, and test automation frameworks (e.g., JUnit, Mockito)
Experience working in Agile/Scrum development environments
Practical experience with Python for scripting, automation, or data processing tasks
Experience with CI/CD pipelines and DevOps practices is a plus
Bachelor's or Master's degree in Computer Science, Engineering, or a related field

Nice to have:

Exposure to NoSQL databases (e.g., MongoDB, Cassandra)
Exposure to cloud platforms (e.g., AWS, Azure, GCP) and containerization (e.g., Docker, Kubernetes)
Experience with CI/CD pipelines and DevOps practices

Additional Information:

Job Posted:
September 24, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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