Posted Date
8/14/2025
Description
Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We strive to earn and maintain our clients’ and the public’s trust by constantly adhering to the highest ethical standards and making a positive impact on the communities we serve. This job opening will help Citi to build sophisticated solutions that will be targeting 100% digitalization and automation of the applications.
Overview of the Role:
Responsibilities of this role is building and supporting the banking applications. As an application developer, candidate is expected to have good analytical thinking, problem solving, good programming/technical fundamentals and eagerness to learn new technologies/concepts. Candidate must be open to accept challenges and suggestions.

Backend Development (Required):

• 3-5 years of Java experience
• Strong hands-on core Java, functional programming, and Spring Boot microservices development experience.
• Understanding of concurrent and parallel programming, including threads, processes, synchronization, and handling race conditions.
• Knowledge of reactive programming for building asynchronous, event/message-driven systems in microservices based applications that are highly concurrent.
• Proficient in containerizing applications, continuous integration, and continuous delivery in Java ecosystem.
• Knowledge of distributed tracing and API Gateway integration for microservices architecture.
• Proficient in functional programming concepts with Streams API, Lambda Expressions and Optional.
• Understanding of secure coding practices, SSL/TLS, OAuth, and JWT token handling in Java-based applications.
• Expertise in integrating Java with NoSQL databases such as MongoDB for scalable, high availability applications.
• Strong experience in data modeling and experience with relational and no-SQL database, Oracle and MongoDB.
• Understanding of integrating APIs with third party libraries/vendors and handle the security around it.
• Understanding of the principles of distributed systems, including data partitioning, replication, and consistency models.
• Strong grasp of data structures and algorithms, especially those relevant to distributed systems like distributed hash tables and load balancing techniques.
• Understanding of microservices architecture, including service discovery, API gateways, and inter-service communication.

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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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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Please refer the Job description for details