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Kafta Application Development Analyst

Job Req Id:
25920650
Location(s):
Belfast, Northern Ireland, United Kingdom
Job Type:
On-Site/Resident
Posted:
Nov. 12, 2025

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Job Overview

About the Role

Join the Kafka as-a-Service (KaaS) App & Infra Operations team, operating within a DevSecOps model and collaborating closely with KaaS Engineering. This role is focused on providing technical support and production management functions to ensure the robust operation, stability, and scaling of our Kafka product offering across the bank.

Key Responsibilities

  • Contribute to and participate in the global Kafka as-a-Service (KaaS) App & Infra Operations function, including a follow-the-sun support model.
  • Collaborate closely with platform engineering teams to align on shared goals and serve as a primary liaison between platform users/tenants and the engineering team for queries.
  • Execute daily operational tasks including start-of-day checks, continuous monitoring, and regional handovers.
  • Provide L1/L2 technical support, incident/problem resolution, and manage releases, ensuring stability, quality, and functionality against service level expectations.
  • Implement and carry out internal business continuity (CoB) and resiliency procedures, including performing post-release and infrastructure update health checks.
  • Manage critical operational processes such as Change & Release Management and Incident & Problem Management.
  • Develop and maintain comprehensive technical support documentation.
  • Actively contribute to, and where applicable, lead initiatives focused on improving the stability, efficiency, and effectiveness of the KaaS offering.
  • Participate in and, where applicable, provide technical oversight, overseeing technical issue escalation and resolution of major system outages, ensuring clear communication to all interested parties.
  • Perform other duties and functions as assigned.

Experience

  • Proven experience in an Application & Infrastructure Operations role.
  • Solid experience working with the Kafka ecosystem (Kafka Brokers, Connect, Zookeeper) in a production environment. Experience with other distributed messaging/computing platforms and a willingness to learn Kafka will also be considered.
  • Exposure to the Confluent stack (Confluent ksqlDB, Rest Proxy, Schema Registry, Control Center) is a plus.
  • Demonstrated experience in administering Unix systems and the applications deployed on them.
  • Proficiency in using monitoring systems such as Grafana and Splunk for application health checks.
  • Track record of proposing and driving operational efficiency and process improvements within support functions.
  • Skilled in communicating effectively with relevant stakeholders at all levels.
  • Experience with issue tracking/reporting tools and Problem Management tools.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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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.

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