We are looking for a Senior Java Spark Developer who is passionate about coding, building scalable systems, and driving engineering excellence to support the transformation and modernization of Citi’s data processing platforms.
This role is ideal for someone who takes pride in writing clean, efficient, high-quality code, enjoys solving complex distributed data problems, and is motivated to build robust, scalable, and maintainable systems. You will play a key role in translating business requirements into production-grade solutions, while continuously improving platform performance, reliability, and development practices.
Responsibilities:
- Design and develop scalable, high-performance applications using Java and Apache Spark
- Translate business requirements into clean, efficient, and reliable technical solutions
- Write modular, testable, and maintainable code following OOP principles and design patterns
- Continuously refactor and optimize applications for performance, scalability, and maintainability
- Troubleshoot and resolve complex data processing and performance issues
- Perform and participate in code reviews, promoting engineering best practices
- Collaborate with architects, product owners, DevOps, and Agile teams for high-quality delivery
- Mentor junior developers and contribute to a culture of craftsmanship and continuous improvement
Qualifications:
- 7+ years of hands-on experience in Java and Apache Spark / Big Data development
- Strong foundation in object-oriented programming, design patterns, and clean coding practices
- Proven experience building and optimizing large-scale distributed data processing systems
- Experience with REST APIs, RDBMS, and Kafka or similar messaging systems
- Exposure to microservices and containerization (Docker/Kubernetes) is preferred
- Experience in Databricks is preferred
- Familiarity with or interest in AI-powered solutions / AI agents is a plus
- Experience working in Agile environments with strong collaboration and ownership mindset
Education:
- Bachelor’s degree/University degree or equivalent experience
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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 hands-on experience in Java and Apache Spark / Big Data development
- Strong foundation in object-oriented programming, design patterns, and clean coding practices
- Proven experience building and optimizing large-scale distributed data processing systems
- Experience with REST APIs, RDBMS, and Kafka or similar messaging systems
- Exposure to microservices and containerization (Docker/Kubernetes)
- Experience in Databricks
- Familiarity with or interest in AI-powered solutions / AI agents
- Experience working in Agile environments with strong collaboration and ownership mindset
- Bachelor's degree/University degree or equivalent experience
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 — 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.
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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.
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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.
