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

Citi • London, England, United Kingdom

hybridfull-time
Posted Aug 15, 2026Apply by Sep 14, 2026
  • Role & seniority

    • Software/Applications Engineer (App Dev), likely mid-level (involves design/planning, estimation, coaching)
  • Stack/tools

    • Languages: Java (essential), Kotlin (advantageous), Test-Driven Development

    • CI/CD & SDLC/DevOps: continuous integration/deployment; developer-led automated testing

    • Cloud/Container: Kubernetes, OpenShift (advantageous)

    • Messaging: Kafka, Solace, TIBCO (advantageous)

    • Data/DB: SQL Server, S3 (advantageous)

    • Observability: OpenTelemetry, ELK/Elastic Stack, Grafana (advantageous)

    • Other: SQL not required but listed; automated testing; code reviews/PRs

  • Top 3 responsibilities

    • Own and deliver components in the Core Prime Brokerage platform using Java/Kotlin; hands-on development

    • Improve CI/CD and automated testing; refine SDLC/agile/DevOps processes

    • Participate in design/planning/estimation, requirement clarification, and production support (support rotations, reliability/performance/scalability enhancements)

  • Must-have skills

    • Proven App Development experience

    • Java + Test-Driven Development

    • Demonstrated execution capability; ability to break down tasks, estimate, and collaborate in agile/global teams

  • Nice-to-haves

    • Kotlin; Kubernetes/OpenShift; Kafka/Solace/TIBCO

    • SQL Server/S3; OpenTelemetry/ELK/Grafana

    • Experience supporting production systems and contributing to post-mortems

    • Men

Full Description

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential.

Responsibilities

Ownership and delivery on components (Java/Kotlin) within the Core Prime Brokerage platform. Hands-on Development. Actively contribute to an agile development, applying and improving skills in Continuous Integration and Continuous Deployment (CI/CD) practices. Implement and maintain developer-led automated testing solutions. Participate in the ongoing refinement of SDLC, agile and DevOps processes. Participate in design, planning and estimation discussions within the team. Perform detailed analysis of assigned work, breaking work into individual technical tasks. Collaborate with business analysts and stakeholders to clarify and refine requirements. Create and maintain project and technical documentation Assist in identify potential risks or issues within assigned tasks and communicate them to the team lead. Assist in production support by working closely with operations and business teams. Participate in support rotations to diagnose and resolve escalated issues. Contribute to documentation and post-mortem reviews. Implement software enhancements to resolve root-causes and improve reliability, performance and scalability. Collaborate as part of a global team on deliveries and engage in peer reviews such as code reviews / pull requests. Coach and mentor junior analysts and grads.

Technical Experience

Java & Test-Driven Development are essential.

Experience in any number of additional technologies (listed below) is advantageous

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

Qualifications

Proven experience in an App Dev role. Demonstrated execution capabilities.

Education

Bachelor’s/University degree or equivalent experience in a similar role

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What We’ll Provide You

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as

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

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.


Job Family Group

Technology


Job Family

Applications Development


Time Type

Full time


Most Relevant Skills

Please see the requirements listed above.


Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.


Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

JavaKotlinTest-Driven DevelopmentCI/CDAgileKubernetesOpen ShiftKafkaSolaceTIBCOSQL ServerS3OpenTelemetryElastic StackGrafanaDevOpsmulti-location

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