High-Performance Backend Developer for Scalable Systems

4 days ago


Manama, Manama, Bahrain Citigroup, Inc. Full time

Job Summary

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The Senior Backend Developer is a key role in our technology team, responsible for the design and development of high-volume, low-latency backend applications for mission-critical systems. As a seasoned professional with 5+ years of experience in Java development, you will ensure the delivery of reliable, efficient, and scalable solutions that meet the highest standards of quality.

About the Role

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We are seeking a highly skilled and motivated individual who can work proactively and independently to address project requirements, identify performance bottlenecks, and optimize system performance. Your expertise in OOP principles, design patterns, and Spring Boot for building microservices will be invaluable in this role.

Key Responsibilities

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  • Design and develop high-performance backend applications using Java and related technologies.
  • Write well-designed, testable, and efficient code, and perform code refactoring to maintain code quality.
  • Implement and maintain RESTful and SOAP APIs, microservices, and distributed systems.
  • Participate in agile development processes, including sprint planning, stand-ups, and retrospectives.
  • Work closely with cross-functional teams to ensure seamless integration and delivery of projects.

Requirements

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  • 5+ years of hands-on experience in Java development.
  • Strong knowledge of OOP principles and design patterns.
  • Experience with RESTful and SOAP APIs, microservices, and distributed systems.
  • Solid understanding of SQL/No SQL databases (e.g., My SQL, Postgre SQL, Mongo DB).
  • Experience with Spring Boot for building microservices.
  • Strong understanding of multithreading, concurrency, and memory management in Java applications.
  • Experience with unit testing frameworks (JUnit, Test NG) and test automation tools.
  • Experience working in Agile development environments.

Preferred Skills

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  • Familiarity with cloud environments (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
  • Knowledge of message brokers like Kafka, Rabbit MQ, or Active MQ.
  • Familiarity with security best practices for Java applications.
  • Contributions to open-source Java projects or active involvement in the Java developer community.

Education

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Bachelor's degree/University degree or equivalent experience.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.



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