We are looking for a Senior Java Backend Engineer with hands-on experience in designing end-to-end data pipelines using Java and Spring Boot, and enterprise API design. You will own end-to-end delivery of enterprise reporting APIs backed by complex data pipelines — from Oracle query design and ETL/ELT workflows to secure Spring Boot services deployed on shared infrastructure. The ideal candidate bridges the gap between application engineering and data platforms.
Responsibilities:
- Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
- Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
- Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
- Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
- Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
- Ensure essential procedures are followed and help define operating standards and processes
- Serve as advisor or coach to new or lower level analysts
- Has the ability to operate with a limited level of direct supervision.
- Can exercise independence of judgement and autonomy.
- Acts as SME to senior stakeholders and /or other team members.
- Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
Skills & Requirements
- Strong in Core Java — collections, generics, streams, lambdas, exception handling, OOPs concepts, and multithreading/concurrency (executors, threads).
- Strong in Spring Boot — Spring Data, Spring Batch, Spring Security.
- Experience with Spring Data JPA/JDBC — repositories, entity mapping, transactions (@Transactional), connection pooling (HikariCP), and lazy/eager loading.
- Hands-on with Spring Security — authentication/authorization, BCrypt, role-based access control, and securing REST endpoints.
- Design, develop, and maintain RESTful APIs using Java and Spring Boot.
- Good understanding of the end-to-end API development lifecycle — from design and contract definition through implementation, testing, deployment, and monitoring.
- Strong understanding and implementation experience of integrating APIs with API gateways such as Apigee and Amazon API Gateway.
- Proficient with Jackson (ObjectMapper config, custom serializers, strict request validation) and OpenAPI/Swagger for API documentation.
- Write and optimize complex Oracle SQL queries (multi-table joins, analytic functions, subqueries, performance tuning).
- Experience with Kafka, MQ, or event-streaming platforms for real-time data ingestion and processing.
- Open to working on data pipelines and building ETL workflows using Java or other programming languages such as Scala as required.
- Work with data warehousing concepts — fact/dimension modeling, slowly changing dimensions, and data quality checks.
- Basic understanding of the Big Data ecosystem is a plus.
- Good to have experience building and optimizing data workflows using tools such as Apache Spark.
Recommended Qualifications:
- 4+ years of relevant experience
- Experience in systems analysis and programming of software applications
- Experience in managing and implementing successful projects
- Working knowledge of consulting/project management techniques/methods
- Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
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------------------------------------------------------
Job Family:Applications Development------------------------------------------------------
Time Type:Full time------------------------------------------------------
Primary Location Full Time Salary Range:$94,300.00 - $141,500.00------------------------------------------------------
Most Relevant Skills Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Automated Processing and AIWe 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.
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This job opening is for an existing job vacancy.
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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.
Skills Required
- 4+ years of relevant experience
- Bachelor's degree, university degree, or equivalent experience
- Strong Core Java skills, including collections, generics, streams, lambdas, exception handling, object-oriented programming, and multithreading/concurrency
- Strong Spring Boot experience, including Spring Data, Spring Batch, and Spring Security
- Experience with Spring Data JPA/JDBC, repositories, entity mapping, transactions, connection pooling, and lazy/eager loading
- Hands-on Spring Security experience with authentication, authorization, BCrypt, role-based access control, and REST endpoint security
- Experience designing, developing, and maintaining RESTful APIs using Java and Spring Boot
- Understanding of the end-to-end API development lifecycle
- Experience integrating APIs with Apigee and Amazon API Gateway
- Proficiency with Jackson and OpenAPI/Swagger
- Ability to write and optimize complex Oracle SQL queries
- Experience with Kafka, MQ, or event-streaming platforms
- Experience building data pipelines and ETL workflows using Java or other programming languages such as Scala
- Understanding of data warehousing concepts, including fact/dimension modeling, slowly changing dimensions, and data quality checks
- Experience in systems analysis and software application programming
- Experience managing and implementing successful projects
- Working knowledge of consulting and project management techniques and methods
- Ability to work under pressure and manage deadlines or changing requirements
- Basic understanding of the Big Data ecosystem
- Experience building and optimizing data workflows with Apache Spark
Citi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.
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Healthcare Strength — Health coverage is presented as comprehensive, including free in-network preventive care, mental-health resources, and the Be Well Program. Materials also state new hires have access to health and insurance benefits from the outset.
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Retirement Support — The retirement plan offers a $1-for-$1 match up to 6% of eligible pay. New employees are eligible for the plan, with automatic enrollment after 90 days if they do not enroll themselves.
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Inclusive Benefits Coverage — Benefits highlight fertility treatment coverage, adoption/surrogacy reimbursement up to $30,000, and disability coverage. Coverage extends to spouses and domestic partners regardless of gender identity or sexuality, with gender-affirming care-related support noted.
Citi Insights
What We Do
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