Senior Big Data Developer

Citibank (Switzerland) AG; Tampa (FL); Hybrid; Confidential; Full time

Job summary

Citibank (Switzerland) AG in Tampa, FL seeks a Senior Big Data Developer to design, build, and scale high-performance data platforms. You will lead Java-based data engineering, real-time streaming with Kafka and Flink, and containerized workloads on ECS/OpenShift in a hybrid model.

The role requires 6+ years of experience, strong Java, Kafka, and Kubernetes expertise, plus leadership and mentoring skills. You will collaborate with cross-functional teams to deliver robust data solutions aligned

Qualifications

• 6+ years of hands-on experience in software or application development with big data focus.
• Deep expertise in Java development for large-scale data applications.
• Hands-on experience with Confluent Kafka and Apache Flink (or Spark Streaming) for real-time data processing.
• Experience deploying and managing Kubernetes and enterprise container platforms like ECS or OpenShift.
• Solid understanding of container orchestration, pod lifecycles, networking, and resource allocation.
• Proven ability to lead complex technical projects from design to production deployment.
• Strong leadership and mentoring capabilities; ability to coordinate delivery across teams.
• Clear communication of technical concepts to engineering and non-engineering audiences.

Responsibilities

• Design and develop scalable big data pipelines and distributed systems using Java and Kafka.
• Architect data solutions aligned with enterprise standards for reliability and performance.
• Deploy and manage containerized workloads on ECS/OpenShift and Kubernetes environments.
• Collaborate with engineering and product teams to drive new capabilities and improvements.
• Define and enforce development standards across coding, testing, and deployment.
• Analyze complex processes to deliver practical engineering solutions.
• Mentor mid-level developers and analysts to meet delivery goals.
• Evaluate decisions with risk awareness, ensuring regulatory and data governance compliance.

Skills

Leadership

Communication

Mentoring

Team Coordination

Education

Bachelor's degree in Computer Science

Master's degree preferred

Tools

Confluent Kafka

Apache Flink

Apache Spark Streaming

Kubernetes

OpenShift

ECS

Java

Hadoop

Job description

## Senior Big Data DeveloperApplyremote type: Hybridlocations: Tampa Florida United Statestime type: Full timeposted on: Posted Todaytime left to apply: End Date: August 30, 2026 (23 days left to apply)job requisition id: 26982483Citi is looking for a **Senior Big Data Developer** to design, build, and scale high-performance data platforms that power critical business decisions across our global financial institution. In this senior-level role, you will lead the development of complex data engineering solutions, working closely with cross-functional technology teams to deliver robust systems built on Java, Confluent Kafka, Apache Flink, and modern big data technologies. Your work will directly shape how Citi processes and operationalizes data at scale — driving measurable impact across products, platforms, and business outcomes.**Ke**y **Responsibilities-*** Design and develop scalable big data pipelines and distributed systems using Java and Apache Kafka to support high-volume, real-time data processing.* Architect and implement data solutions that align with enterprise-wide technology standards, ensuring system reliability, performance, and maintainability.* Architect, deploy, and manage containerized big data workloads and microservices on Citi's Enterprise Container Solution (ECS) (built on Red Hat OpenShift Container Platform) and native Kubernetes environments.* Partner with engineering and product teams to identify system enhancements that enable new product capabilities and process improvements.* Define and enforce development standards across coding, testing, debugging, and deployment to maintain engineering quality across the team.* Analyze complex business and system processes to resolve high-impact technical challenges, delivering innovative and practical engineering solutions.* Mentor and guide mid-level developers and analysts, providing technical direction and distributing work to ensure delivery goals are met.* Evaluate technical and business decisions with a clear understanding of risk, ensuring all solutions meet regulatory, compliance, and data governance requirements.**Required Qualifications & Skills*** **Experience:**6+ years of hands-on experience in software or application development, with a strong focus on big data engineering, systems analysis, or distributed systems.* **Core Language Expertise:**Deep expertise in Java development, with demonstrable experience building large-scale, production-grade data applications.* **Streaming & Messaging:**Practical, hands-on experience with Confluent Kafka and Apache Flink (or Apache Spark Streaming) for real-time data streaming and event-driven architectures.* **Containerization & Orchestration:**Strong hands-on experience deploying and managing applications in Kubernetes (K8s) and enterprise container platforms such as ECS (Enterprise Container Solution) or Red Hat OpenShift.* **Infrastructure & Platform Knowledge:**Solid understanding of container orchestration concepts, including pod lifecycles, service networking, volume mounts, and resource allocation.* **Project Delivery:**Proven ability to lead and deliver complex technical projects from design through to production deployment.* **Leadership:**Demonstrated leadership capability, with experience mentoring developers and coordinating technical delivery across teams.* **Communication:**Clear and effective communication skills, with the ability to translate complex technical concepts for both engineering and non-engineering audiences.**Skills & Qualifications*** Experience with big data frameworks such as Apache Spark, Hadoop, or Flink in a financial services or enterprise environment.* Familiarity with cloud-based data platforms and containerized deployment environments.* Exposure to data governance practices, compliance frameworks, or regulatory technology contexts**Education:*** Bachelor’s degree/University degree in Computer Science, Engineering, or a related technical discipline* Master’s degree preferredThis 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:**Tampa Florida United States------------------------------------------------------## **Primary Location Full Time Salary Range:**$113,840.00 - $170,760.00In 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:**Aug 30, 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. View Citi’s EEO Policy Statement and the Know Your Rights poster.*