The Senior Back-end Java Developer will join Citi's back-office trading application technology team, focusing on designing, building, and maintaining scalable software solutions. This role requires expertise in system design, microservices architecture, and modern delivery practices. The ideal candidate will promote best practices in development, testing, and security while contributing to a high-performance engineering culture. This position offers the opportunity to shape critical trading infrastructure within a leading financial institution committed to technology modernization.

• Strong hands-on coding proficiency in Kotlin, Java, and Python.
• Deep expertise in microservices architecture and system design.
• Proficiency in event-driven and messaging systems, including Kafka and MQ.
• Hands-on experience with containerization and cloud-native platforms.
• Solid experience with relational databases, particularly Oracle SQL.
• Proven experience with trunk-based development and progressive delivery.
• Strong command of TDD, BDD, and automation-first testing practices.
• Proficiency in CI/CD pipeline design and operation.

• Design, develop, and maintain robust back-office trading applications.
• Implement trunk-based development practices and feature flags.
• Apply TDD and BDD methodologies to ensure high code quality.
• Drive the adoption of CI/CD pipelines and DevOps practices.
• Conduct rigorous code reviews and vulnerability assessments.
• Design and deliver distributed, event-driven microservices.
• Collaborate with architects and product owners on system architecture.
• Mentor junior engineers and foster a culture of continuous learning.
• Partner with DevOps teams to optimize deployment pipelines.

• Citi offers a comprehensive benefits package including competitive pay, stock programs, healthcare coverage, retirement plans, paid time off, parental leave, and programs supporting employee wellbeing and professional development.