Senior Java Engineer: Agentic AI‑Driven Middleware

Citibank (Switzerland) AG; Irving (TX); Hybrid; USD 107,000 - 161,000; Full time

Job summary

Citibank (Switzerland) AG in Irving, TX seeks a Senior Java Engineer to architect and implement middleware services using Java and Spring Boot. You will leverage AI-assisted tools to accelerate development, ensure data integrity with Oracle and MongoDB, and drive CI/CD adoption across pipelines.

You will mentor junior engineers, participate in design reviews, and apply AI-driven approaches to testing, security, and deployment to improve delivery speed and software quality.

Qualifications

• Strong Java 8+ with multithreading and JVM internals knowledge.
• Extensive Spring Boot, Spring MVC and Spring Data JPA experience.
• Experience designing RESTful APIs and microservices architectures.
• Proficient in SQL (Oracle) and NoSQL (MongoDB) data modeling.
• Familiar with CI/CD tools and container orchestration (Docker/Kubernetes).
• Hands-on with AI-enabled development tools and practices.

Responsibilities

• Lead design, development, and integration of middleware in Java/Spring Boot.
• Architect efficient DB interactions; optimize Oracle and MongoDB usage.
• Advance CI/CD adoption; enable AI-assisted testing and code generation.
• Collaborate with product, QA, and operations; mentor engineers.
• Conduct code reviews; drive security, quality, and performance.
• Research AI tech to boost developer productivity and reliability.

Skills

Core Java

Spring Framework

AI in development

RESTful APIs & Microservices

Multithreading & JVM internals

JUnit & Mockito testing

Tools

Jenkins

GitLab CI

GitHub Actions

Maven/Gradle

Docker

Kubernetes

Oracle

MongoDB

Job description

Citibank (Switzerland) AG in Irving, TX seeks a Senior Java Engineer to architect and implement middleware services using Java and Spring Boot. You will leverage AI-assisted tools to accelerate development, ensure data integrity with Oracle and MongoDB, and drive CI/CD adoption across pipelines.

You will mentor junior engineers, participate in design reviews, and apply AI-driven approaches to testing, security, and deployment to improve delivery speed and software quality.