Application Developer

About Citi :

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together

Job Description Summary :

Citi Transaction Services, within Global Funds Services, is undergoing a multi-year transformation to modernize its trade processing, middle-office, and fund services applications. This strategic initiative aims to create a robust, scalable, and configurable system for processing financial instruments, utilizing a cutting-edge, cloud-ready technology stack adaptable for future expansion. We are responding to the evolving Securities Services landscape by prioritizing platform efficiency, a consistent global operating model, enhanced capabilities, a robust data strategy, and value-added services.

Our transformation is guided by core principles : service-oriented architecture with API capabilities for seamless integration; reliability and simplicity for user-friendliness; low latency and high performance for responsiveness; multi-instruction processing for complex workflows; alignment with data strategy for informed decision-making; automation to eliminate manual touchpoints; and a modernized technology stack leveraging innovations like reactive microservices, streaming data processing, and distributed caching. We employ diverse database technologies (RDBMS and NoSQL) for optimal flexibility and efficiency.

We are looking for a Application Developer. The ideal candidate possesses strong technical expertise in server-side Java development (Spring Boot, Spring Cloud, Spring JPA, JDBC, Hibernate), functional programming, testing frameworks (JUnit, Mockito), RESTful / GraphQL APIs, messaging (Kafka, TIBCO EMS, IBM MQ), SFTP, microservices architecture (Kubernetes / Docker), CI / CD tools, and SQL / NoSQL databases. Front-end experience (React, JavaScript, HTML, CSS) is a plus. Strong communication, collaboration, and leadership skills are essential for success in this role.

Responsibilities :

Collaborate with cross-functional teams to ensure specifications are converted into flexible, scalable, and maintainable solution designs. Evaluate project deliverables to ensure they meet specifications and architectural standards.

Work as part of development teams to design and build complex solutions, ensuring alignment with the architecture blueprint, standards, target state architecture, and strategies.

Coordinate, execute, and participate in component integration (CIT), system integration testing (SIT), and user acceptance testing (UAT) to identify and resolve application errors and ensure quality software deployment.

Possess a solid grasp of software design patterns and approaches. Understand application-level software architecture and make technical trade-off decisions.

Provide mentoring and guidance to junior engineers, offering feedback and direction on specific engineering tasks.

Maintain application hygiene and address any Risk & Control items.

Work closely with Project Managers, Business Analysts, and Operational users / Product managers to deliver projects.

Work independently on project deliverables, articulate issues / challenges, and proactively communicate risks.

Handle code releases in various environments.

Required Skills / Experience :

2+ years of hands-on experience in Java backend development (Java 2+ preferred), including deep understanding of core Java concepts, object-oriented programming, data structures, algorithms, and design patterns. Experience with Spring Boot, Spring JPA, Spring Cloud, JDBC, Hibernate, REST, and Maven is essential. Demonstrated proficiency in Java 8+ features (lambda expressions, streams, functional interfaces) and functional programming paradigms is required. Python programming experience is a plus.

Data Transformation & Integration : Proven experience transforming data between various formats such as XML, FXML, SWIFT, JSON, and CSV, utilizing relevant libraries and tools.

Microservices Architecture : Extensive experience with microservices architecture and related technologies, including Docker, Kubernetes / OpenShift, and cloud computing platforms (AWS, Azure, GCP). Strong understanding of microservice design patterns, principles, and best practices.

Messaging & Integration : Experience implementing Kafka consumers, producers, and streaming applications. Familiarity with other messaging technologies like TIBCO EMS and IBM MQ is highly desirable. Experience with secure file transfer protocols (SFTP) is required.

Database Technologies : Solid understanding of both SQL and NoSQL databases. Hands-on experience with MongoDB is preferred, and experience with other NoSQL databases is a plus. Familiarity with relational databases (e.g., Oracle, PostgreSQL) is required.

Stream Processing : Experience with Kafka Streams and Apache Flink is a significant advantage.

Agile & Testing : Experience working in an Agile environment using TDD / BDD best practices. Proficiency with JUnit and Mockito for unit and integration testing is essential.

DevOps & CI / CD : Good knowledge of DevOps principles and CI / CD practices. Experience with tools like Jenkins, TeamCity, IBM UrbanCode Deploy, and SonarQube is highly desirable.

API Development : Experience implementing RESTful and GraphQL APIs, including API design, development, and security best practices. Experience with WebSocket implementations is preferred.

Version Control : Proficiency with Git / Bitbucket for version control is required.

Soft Skills : Strong communication, analytical, problem-solving, and leadership skills are essential. Demonstrated ability to take ownership, collaborate effectively, and communicate technical concepts clearly.

Highly Proficient

Spring Boot, Spring Cloud, Spring JPA

Java, OOPS

Kafka streaming

Experience in MQ

JUNIT and Mockito

Nice to have skills :

Experience in front end technologies such as React, HTML, CSS, Javascript

Basic understanding of Databases (Preferably Oracle) is good to have. Knowledge of MongoDB is a plus.

WebSocket

Reactive Programming - RxJs

Education :

Bachelor's degree / University degree or equivalent experience

Master's degree preferred\

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

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 :

$95,770.00 - $133,630.00

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 :

Sep 02, 2025

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 () .

View Citi’s EEO Policy Statement () and the Know Your Rights () poster.

Citi is an equal opportunity and affirmative action employer.

Minority / Female / Veteran / Individuals with Disabilities / Sexual Orientation / Gender Identity.