Senior Java Cloud Developer, Citi

Citi

Location:
Poland, Warsaw

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the XiNG large scale distributed calculation platform (XiP). In this role, you will design, build, and maintain the software that manages and controls the XiP platform and contribute to its performance and scalability.

Job Responsibility:

Apply your experience and skills to develop the future versions of the calculation engine
Serve as advisor or coach to team members, allocating and overseeing work
Implement changes and improvements to Citi's Risk Calculation Engine, including analyzing and designing improvements to the distribution mechanisms
Operationally support the optimization of Risk calculations by examining and providing SME level insight into the distributed execution of extremely large 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:

Minimum 5 years of professional software development experience with Java
Solid experience with Java frameworks (e.g., Spring, Spring Boot, Quarkus)
Exposure to cloud platforms (e.g., AWS, Azure, GCP) and containerization (e.g., Docker, Kubernetes)
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
Experience with unit testing, integration testing, and test automation frameworks (e.g., JUnit, Mockito)
Experience working in Agile/Scrum development environments
Experience with CI/CD pipelines and DevOps practices is a plus.

Nice to have:

Exposure to NoSQL databases (e.g., MongoDB, Cassandra)
Experience with CI/CD pipelines and DevOps practices.

What we offer:

Private Medical Care Program
Life Insurance Program
Pension Plan contribution (PPE Program)
Employee Assistance Program
Paid Parental Leave Program (maternity and paternity leave)
Sport Card
Holidays Allowance
Sport and team recreation activities
Special offers and discounts for employees
Access to an array of learning and development resources
A discretional annual performance related bonus.

Additional Information:

Job Posted:
October 02, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Java Cloud Developer