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Citi Logo Citi · IT - Software Development

Java (Kotlin) Developer (Agile, Test-Driven)

United Kingdom, London · Job Posted May 20, 2026
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Job Responsibility

  • Ownership and delivery on a variety of components (Java/Kotlin) within the Core Prime Brokerage platform
  • provide technical leadership for an agile development team, championing best practices in Continuous Integration and Continuous Deployment (CI/CD)
  • foster a culture of quality through developer-led automated testing initiatives
  • drive continuous improvement in SDLC, agile and DevOps processes
  • lead design, planning and estimation discussions
  • conduct high-level system analysis and architecture design
  • facilitate requirement gathering and translate complex business needs into technical specifications
  • oversee the creation and maintenance of project and technical documentation
  • identify and mitigate risks throughout the SDLC
  • utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • oversee production support processes
  • provide technical leadership and serve as advisor or coach to mid-level developers, analysts and grads

Requirements

  • Java
  • Test-Driven Development
  • experience with Kotlin, Cloud Technologies (Kubernetes, Open Shift), Messaging Technologies (Kafka, Solace, TIBCO), Database / Data Store / Data Query Technologies (SQL Server, Trino, Mongo, S3), Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana) is advantageous

Nice to have

  • Kotlin
  • Cloud Technologies (Kubernetes, Open Shift)
  • Messaging Technologies (Kafka, Solace, TIBCO)
  • Database / Data Store / Data Query Technologies (SQL Server, Trino, Mongo, S3)
  • Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana)

What we offer

  • 27 days annual leave (plus bank holidays)
  • a 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 an array of learning and development resources
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  • 27 days annual leave (plus bank holidays)
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  • Private Medical Care & Life Insurance
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