We are seeking a highly skilled and experienced Senior Java Developer to join our team. The ideal candidate will be responsible for developing robust Java backend services for our data platform, focusing on data distribution and caching for various applications. This role involves maintaining and enhancing the existing platform, leveraging technologies like Kubernetes and Docker, and demonstrating a strong understanding of multithreading and security best practices.
Responsibilities:
- Design, develop, and implement high-performance Java backend services for the data platform, focusing on efficient data distribution using Kafka and advanced caching mechanisms utilizing technologies like Apache Ignite, VMware GemFire, or similar in-memory data grids.
- Maintain, enhance, and optimize existing Java services and the data platform, ensuring scalability, reliability, and low latency.
- Implement solutions using containerization technologies such as Docker and orchestration with Kubernetes.
- Apply advanced multithreading techniques to develop highly concurrent and responsive applications.
- Ensure the security of applications and data by implementing secure coding practices and adhering to security standards.
- Collaborate with architects, product managers, and other developers to understand requirements and translate them into technical solutions.
- Participate in the entire software development lifecycle, including requirements gathering, design, coding, testing, deployment, and support.
- Conduct code reviews to ensure code quality, maintainability, and adherence to best practices.
- Provide L3 support for production issues, including root cause analysis and timely resolution.
- Participate in a rotational schedule for lower environment support, ensuring smooth operations and stability.
- Troubleshoot and resolve complex technical issues, including performance bottlenecks and security vulnerabilities.
- Write clear and comprehensive technical documentation.
Required Skills and Qualifications:
- Experience: 7+ years of professional experience in Java development.
- Java Core: Strong proficiency in Java and its ecosystem, with a deep understanding of object-oriented programming, design patterns, and data structures.
- Backend Services: Extensive experience in developing and deploying scalable and high-performance backend services.
- Data Distribution/Caching: Proven experience with data distribution technologies like Kafka and in-memory data grids/caching solutions such as Apache Ignite, VMware GemFire, or similar.
- Database Technologies: Strong understanding and hands-on experience with relational databases (e.g., PostgreSQL, Oracle, SQL Server) and/or NoSQL databases (e.g., MongoDB, Cassandra).
- Kubernetes & Docker: Hands-on experience with Docker for containerization and Kubernetes for container orchestration and deployment.
- Multithreading: Expert-level knowledge and practical experience with Java multithreading and concurrency concepts.
- Security: Strong understanding of application security principles, secure coding practices, and experience implementing security measures.
- Unit Testing: Experience with unit testing frameworks and practices (e.g., JUnit, Mockito).
- Troubleshooting & Support: Excellent problem-solving skills with a strong ability to provide L3 support and troubleshoot complex production issues.
- Communication: Excellent verbal and written communication skills, with the ability to articulate technical concepts to various stakeholders.
- Teamwork: Ability to work effectively in an agile, collaborative team environment.
Preferred Qualifications:
- Experience with OpenShift cloud platform.
- Familiarity with CI/CD pipelines and DevOps practices.
- Knowledge of other messaging queues.
- Background in financial services or a related high-throughput data environment.
------------------------------------------------------
Job Family Group: Technology------------------------------------------------------
Job Family:Applications Development------------------------------------------------------
Time Type:Full time------------------------------------------------------
Most Relevant Skills Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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
- 7+ years professional experience in Java development.
- Strong proficiency in Java, object-oriented programming, design patterns, and data structures.
- Experience developing and deploying scalable high-performance backend services.
- Experience with data distribution technologies such as Kafka.
- Experience with in-memory data grids/caching (Apache Ignite, VMware GemFire, or similar).
- Hands-on experience with relational databases (PostgreSQL, Oracle, SQL Server) and/or NoSQL databases (MongoDB, Cassandra).
- Hands-on experience with Docker for containerization and Kubernetes for orchestration.
- Expert-level knowledge and practical experience with Java multithreading and concurrency.
- Strong understanding of application security principles and secure coding practices.
- Experience with unit testing frameworks and practices (e.g., JUnit, Mockito).
- Ability to provide L3 support, troubleshoot complex production issues, and perform root cause analysis.
- Excellent verbal and written communication skills.
- Ability to work effectively in an agile, collaborative team environment.
- Experience with OpenShift cloud platform.
- Familiarity with CI/CD pipelines and DevOps practices.
- Knowledge of other messaging queues.
- Background in financial services or high-throughput data environments.
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.
-
Healthcare Strength — Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
-
Retirement Support — Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
-
Wellbeing & Lifestyle Benefits — Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.
Citi Insights
What We Do
Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.
