CitiDirect Senior Java Dev for Payments Modernization – Vice President

Citigroup Inc.; Jersey City (NJ); On-site; USD 142,000 - 213,000; Full time

Job summary

Citigroup Inc. is seeking a Senior Java Backend Developer to modernize CitiDirect’s Payment architecture in Jersey City, NJ. You will design, develop, and maintain high-performance Java backend services, architect microservices with Spring and Spring Cloud, and implement event-driven systems with Kafka.

Required are 7+ years in Java, Spring expertise, microservices experience, and strong API security. Familiarity with Docker/Kubernetes and CI/CD is preferred.

Qualifications

• 7+ years of Java development experience.
• Strong Spring Framework, Spring Boot, and Spring Cloud expertise.
• Proven microservices architecture experience.
• Reactive programming proficiency.
• Kafka-based event-driven design and implementation.
• MongoDB and Oracle SQL with performance optimization.
• RESTful API design and secure coding practices.
• Experience with unit/integration testing (JUnit/Mockito).
• OAuth 2.0 / JWT security in microservices.

Responsibilities

• Design, develop, and maintain robust Java backend services.
• Architect microservices with Spring 6, Spring Boot 3, Spring Cloud.
• Implement event-driven architectures using Kafka.
• Work with MongoDB and Oracle schemas and queries.
• Write unit and integration tests.
• Participate in code reviews and mentor juniors.
• Contribute to development process improvements.

Skills

Core Java

Spring Framework

Microservices

Reactive programming

Apache Kafka

MongoDB

Oracle SQL

RESTful APIs

JUnit Mockito

OAuth 2.0 JWT

Security best practices

Tools

Docker

Kubernetes

CI/CD

Job description

Services is a leading provider of cash management, treasury, trade, clearing, depository receipts and commercial cards services. Services has a global network spanning more than 90 countries and is unique in the industry for its reach, interoperability, and flexibility. We provide clients with dynamic information, platforms, tools, and APIs to effectively manage their portfolios, financial positions, working capital and supply chains. CitiDirect serves as the unified digital gateway for clients to access our full suite of services.

We are seeking an experienced Senior Java Backend Developer to join a group modernizing CitiDirect’s Payment architecture. The ideal candidate will have a strong foundation in Core Java and extensive experience with Spring Framework, microservices architecture, Apache Kafka, MongoDB, and Oracle databases.

Key Responsibilities:

• Design, develop, and maintain robust, scalable, and high-performance Java-based backend services
• Architect and implement microservices using Spring Framework 6, Spring Boot 3 and Spring Cloud
• Design and implement event-driven architectures using Apache Kafka
• Work with MongoDB and Oracle - design schemas and optimize queries
• Implement and maintain comprehensive unit and integration tests
• Participate in code reviews and mentor junior developers
• Contribute to the continuous improvement of our development processes and best practices

Required Qualifications:

• 7+ years of experience in Java development, with a strong command of Core Java concepts
• Extensive experience with Spring Framework, including Spring Boot and Spring Cloud
• Proven track record of designing and implementing microservices architecture
• Experienced in Reactive programming
• Proficiency in working with Apache Kafka, including designing and implementing event-driven systems
• Strong experience with MongoDB, including schema design, complex queries, and performance optimization for large-scale applications
• Solid understanding of NoSQL database concepts and best practices
• Experience with Oracle databases and SQL, and performance optimization
• Expertise in RESTful API design principles
• Proficiency in writing unit and integration tests using frameworks like JUnit and Mockito
• In-depth knowledge of application security principles and experience implementing secure coding practices
• Expertise in implementing authentication and authorization in microservices architecture (OAuth 2.0, JWT etc.)

Preferred Qualifications:

• Familiarity with containerization technologies (e.g., Docker, Kubernetes)
• Experience with CI/CD pipelines and DevOps practices
• Understanding of Agile methodologies
• Solid understanding of payments industry, including various payment systems and processes
• Familiarity with ISO 20022 standards, and their application in payments messaging
• Contributions to open-source projects

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location:

Jersey City New Jersey United States

Primary Location Full Time Salary Range:

$142320,00 - $213480,00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Anticipated Posting Close Date:

sept 09, 2026

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

Illinois residents – AI Notice and Right

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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.
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