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Senior Java Cloud Developer

https://www.citi.com/ Logo

Citi

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Location:
Poland , Warsaw

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

268390.00 - 457010.00 PLN / Year
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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. This engine is responsible for 500 million risk & suitability calculations at Citi every day. The calculation engine at the core of XiP is both highly performant and rapidly changing to support new scenarios, technologies, and infrastructure. As an engineer working on XiP, you will work on a platform which daily; coordinates hundreds of thousands of pods, consumes tens of thousands of compute cores, utilizes hundreds of TB of memory, and distributes hundreds of millions of calculations. You will work closely with software engineers, DevOps, and our customers to ensure reliable, secure, and scalable operations of the platform.

Job Responsibility:

  • Take part of the shared responsibility for the long-term strategic direction of the XiP Platform: 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 the compute service CI/CD pipeline, including developing the mechanism to enable frequent software updates essential for a SaaS offering, while empowering the users to configure a fixed set of application properties
  • Design and build new mechanisms for rapid testing of the platform
  • Plan, coordinate, and execute strategic changes to the calculation platform to reach the next scaling milestone
  • Provide specialized customer support to optimize and improve large, distributed calculations

Requirements:

  • Over 10 years of professional Java software development experience
  • Solid experience with Java frameworks such as Spring, Spring Boot, and Quarkus
  • Proficient in CI/CD pipelines, DevOps practices, cloud platforms (AWS, Azure, GCP), and containerization (Docker, Kubernetes)
  • Experience in designing, building, and maintaining large-scale, distributed systems
  • Skilled in RESTful API design and implementation with a strong understanding of object-oriented programming and design patterns
  • Experience with testing frameworks including JUnit, Mockito, and Cucumber
  • Familiarity with Agile/Scrum development environments
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
What we offer:
  • Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
  • Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
  • Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
  • Employee Assistance Program financed by Employer
  • Paid Parental Leave Program (maternity and paternity leave
  • statutory and 2 weeks additional paid paternity leave)
  • Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
  • Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events
  • Additional day off for volunteering
  • Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform
  • Opportunity to receive an annual discretionary incentive award
  • Special offers and discounts for employees

Additional Information:

Job Posted:
May 14, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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