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Java Middleware Engineer

Citi

Hybrid
Pune, Maharashtra
Full-time
Mid Level
3+ yrs
Salary not listedPosted 1h ago

Real job — pulled straight from Citi’s careers page · Verified August 16, 2026 · No reposts.

Job description

Citi is hiring a Java Middleware Engineer — a full-time, based in Pune, Maharashtra role. Apply directly on Citi's careers page below.

Java Middleware Engineer

Location: Pune Maharashtra India

Remote Type: Hybrid

Time Type: Full time

Job Description

We are seeking a highly skilled Java Middleware Engineer to design, develop, and maintain our enterprise integration platforms and middleware solutions. In this role, you will be responsible for building high-performance, scalable, and secure backend integration layers that connect disparate enterprise systems, databases, and third-party services.

You will focus on API development, messaging systems, and application server configuration, ensuring seamless data flow, high availability, and low latency across our enterprise application ecosystem.

Key Responsibilities

  • Integration & API Development: Design and develop robust, secure, and scalable RESTful APIs, SOAP web services, and microservices using Java and the Spring Boot framework.
  • Messaging & Event Streaming: Implement and manage asynchronous messaging and event-driven architectures using technologies such as Apache Kafka.
  • Middleware Administration & Configuration: Configure, deploy, and tune middleware application servers (e.g., Apache Tomcat, Oracle WebLogic) to ensure optimal performance and reliability.
  • System Integration: Connect legacy systems, modern cloud applications, and databases, ensuring data integrity, transaction management, and proper error handling across integration points.
  • Security Implementation: Implement enterprise-grade security standards, including SSL/TLS encryption, OAuth2, JWT, and secure API gateways.
  • Performance Tuning & Troubleshooting: Diagnose and resolve complex middleware bottlenecks, memory leaks, thread dumps, and connection pool issues in production and non-production environments.

Technical Skills & Qualifications

Required:

  • Java Expertise: Deep understanding of Core Java (Java 8/11/17), multithreading, concurrency, and JVM internals.
  • Frameworks: Strong experience with Spring Boot, Spring MVC, Spring Security, and Spring Integration or Apache Camel.
  • Messaging Systems: Hands-on experience with enterprise messaging middleware, specifically IBM MQApache Kafka, or RabbitMQ.
  • Application Servers: Experience deploying and configuring applications on Apache TomcatOracle WebLogic, or JBoss.
  • Web Services & Protocols: Strong proficiency in REST, SOAP, JSON, XML, and HTTP/HTTPS protocols.
  • Database Integration: Solid understanding of SQL, JDBC, and ORM frameworks like Hibernate/JPA.

Preferred:

  • Experience with containerization and orchestration
  • Familiarity with CI/CD pipelines (Git, Jenkins, Bitbucket).
  • Knowledge of API Gateway solutions

Experience & Education

  • Education: Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical field.
  • Experience:
    • 3+ years of professional experience in software engineering with a strong focus on Java-based middleware, backend integration, or enterprise application development.
    • Proven experience troubleshooting application servers and messaging queues in high-transaction environments.

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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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Frequently asked questions

What skills are required for Java Middleware Engineer at Citi?

The required skills for Java Middleware Engineer at Citi include: Java, Spring Boot, Kafka, RabbitMQ, REST, SOAP, JSON, XML, HTTP, SQL, Hibernate, Git, Jenkins, Bitbucket.

What is the seniority level for Java Middleware Engineer at Citi?

Java Middleware Engineer at Citi is a Mid Level level position.

How do I apply for Java Middleware Engineer at Citi?

You can view the full description and apply for Java Middleware Engineer at Citi on EchoJobs: https://echojobs.io/job/citi-java-middleware-engineer-wh4yl.