Senior Java Backend Architect – Trading Platforms

Citibank (Switzerland) AG; Jersey City, Northern (NJ, KY); On-site; Confidential; Full time

Job summary

Citi is seeking a highly skilled Senior Back-end Java Developer - Trading Platforms to join our back-office technology team in Jersey City, NJ. You will design, build, and maintain scalable trading applications, emphasizing low latency, reliability, and secure coding practices.

Responsibilities include implementing trunk-based development, TDD/BDD, CI/CD pipelines, and event-driven microservices with Kafka, Solace, Tibco, and MQ, collaborating across teams, mentoring engineers, and driving

Qualifications

• Strong hands-on coding in Kotlin, Java, and Python.
• Experience with microservices, Spring Boot, and cloud-native platforms.
• Proven ability to design low-latency distributed systems and implement CI/CD pipelines.

Responsibilities

• Design, develop, and maintain robust back-office trading applications with a focus on scalability and reliability.
• Implement trunk-based development, feature flags, and progressive delivery for safe deployments.
• Apply TDD/BDD methodologies to ensure high test coverage and production readiness.

Skills

Java

Kotlin

Python

Spring Boot

Microservices

Kafka

Solace

Tibco

MQ

Kubernetes

Docker

OpenShift

Oracle SQL

TDD/BDD

CI/CD

DevOps

Code reviews

Observability/Monitoring

Distributed systems

Education

Bachelor's in Computer Science

Master's degree preferred

Tools

Kafka

Solace

Tibco

MQ

Job description

Citi is seeking a highly skilled Senior Back-end Java Developer - Trading Platforms to join our back-office technology team in Jersey City, NJ. You will design, build, and maintain scalable trading applications, emphasizing low latency, reliability, and secure coding practices.

Responsibilities include implementing trunk-based development, TDD/BDD, CI/CD pipelines, and event-driven microservices with Kafka, Solace, Tibco, and MQ, collaborating across teams, mentoring engineers, and driving