High-Performance Developer

3 days ago


Manama, Manama, Bahrain Citigroup Inc. Full time
Position Summary

Citigroup Inc. is looking for a highly skilled Senior Backend Developer to join our technology team.

This is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team.

Key Responsibilities and Requirements
  • Design and develop high-volume, low-latency backend applications for mission-critical systems.
  • Write well-designed, testable, and efficient code, and perform code refactoring to maintain code quality.
  • Work proactively and independently to address project requirements, identify performance bottlenecks, and optimize system performance.
  • Implement and maintain RESTful and SOAP APIs, microservices, and distributed systems.
Qualifications and Preferred Skills

This role requires a strong foundation in Java development, as well as experience with Spring Boot, microservices, and distributed systems.

  • 5+ years of experience in Java development.
  • Strong understanding of SQL/NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
  • Experience with unit testing frameworks (JUnit, TestNG) and test automation tools.
  • Familiarity with cloud environments (AWS, Azure, GCP) and containerization (Docker, Kubernetes)
  • Knowledge of message brokers like Kafka, RabbitMQ, or ActiveMQ.


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