Backend Developer Specialist

3 days ago


Manama, Manama, Bahrain Citigroup Inc. Full time
Job Overview

Citigroup Inc. is seeking 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.

The overall objective of this role is to contribute to applications systems analysis and programming activities, ensuring high availability and performance.

Key Responsibilities
  • 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 Skills

This is an excellent opportunity for those who have hands-on experience in Java development and strong knowledge of OOP principles and design patterns.

  • 5+ years of experience in Java development.
  • Strong understanding of SQL/NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
  • Experience with Spring Boot for building microservices.
  • Strong understanding of multithreading, concurrency, and memory management in Java applications.
Preferred Skills and Experience

While not required, it would be beneficial for candidates to have experience with cloud environments, containerization, message brokers, and open-source Java projects.

  • Familiarity with cloud environments (AWS, Azure, GCP) and containerization (Docker, Kubernetes)
  • Knowledge of message brokers like Kafka, RabbitMQ, or ActiveMQ.


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