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Job Description

The Senior Backend Developer 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. The overall objective of this role is to contribute to applications systems analysis and programming activities.
Responsibilities:


  • Design and develop high-volume, low-latency backend applications for mission-critical systems, ensuring high availability and performance.
  • 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.
  • Participate in agile development processes, including sprint planning, stand-ups, and retrospectives.


Qualifications:


  • 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/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.


  • Experience with unit testing frameworks (JUnit, TestNG) and test automation tools.


  • Experience working in Agile development environments.


  • Excellent problem-solving skills and the ability to handle complex technical challenges.


  • Self driving, strong communication and collaboration skills.


Preferred Skills:


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

Education:


  • 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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Job Family Group:


Technology

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Job Family:


Applications Development

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Time Type:


Full time

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Citi is an equal opportunity and affirmative action employer.


Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. 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 the "EEO is the Law" poster. View the EEO is the Law Supplement.


View the EEO Policy Statement.


View the Pay Transparency Posting


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