Backend Java Developer, Citi

Citi

Location:
United States, Irving

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

160.00 USD / Year

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Job Description:

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for backend Java development, microservices architecture, and secure coding practices. This role focuses on collaboration with the technology team, developing scalable and highly available systems, and integrating APIs.

Job Responsibility:

Participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team
Contribute to applications systems analysis and programming activities.

Requirements:

Strong Core Java, Spring and functional programming hands-on 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/TLK, 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
Understanding of microservices architecture, including service discovery, API gateways, and inter-service communication
Exceptional Problem-Solving and Analytical Skills to diagnose and resolve issues in distributed environments
Above average skills in monitoring, logging, and debugging distributed systems to ensure reliability and performance
Expertise in fundamental concepts such as consistency, availability, partition tolerance, fault tolerance, and scalability
Familiarity with container orchestration (e.g., Kubernetes), and distributed messaging systems (e.g., Kafka)
Experience using Git/Bitbucket
Good communication skills, both written and verbal.

Nice to have:

Unix shell scripting
Knowledge of ElasticSearch, and GraphQL
Experience with building apps which are highly performant and scalable will be great
Knowledge of Generating Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs).

What we offer:

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
Discretionary and formulaic incentive and retention awards.

Additional Information:

Job Posted:
November 14, 2025

Expiration:
December 31, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Backend Java Developer