Citigroup, Inc

Senior Big Data Developer

Citigroup, Inc$113K — $170K *
Tampa, FL 33647In-Person
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6+ years of hands-on experience in software/application development with focus on big data engineering.
  • Deep expertise in Java development for large-scale data applications.
  • Experience with Confluent Kafka and Apache Flink for data streaming.
  • Strong experience with Kubernetes and enterprise container platforms.
  • Solid knowledge of container orchestration concepts.
  • Proven ability to lead complex technical projects from design to deployment.
  • Demonstrated leadership capability in mentoring and coordinating technical teams.

Responsibilities

  • Design and develop scalable big data pipelines and systems using Java and Kafka.
  • Architect and implement data solutions that meet technology standards and ensure reliability.
  • Deploy and manage containerized big data workloads in ECS and Kubernetes environments.
  • Collaborate with engineering and product teams for system enhancements.
  • Define and enforce development standards across the engineering team.
  • Analyze complex processes to solve high-impact technical challenges.
  • Mentor mid-level developers, providing guidance and distributing tasks.

Benefits

  • Medical, dental & vision coverage.
  • 401(k) plan.
  • Life, accident, and disability insurance.
  • Wellness programs.
  • Paid time off including vacation and sick leave.
Full Job Description
Citi 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.

Key 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 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:
Tampa Florida United States

Primary Location Full Time Salary Range:
$113,840.00 - $170,760.00

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:
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

About Citigroup, Inc

Citigroup is a financial services holding company that provides financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed-income research, corporate lending, investment banking, and advisory services, private banking, cash management, trade finance, and securities services. Citi is committed to sustainability and social responsibility, and the company invests in initiatives that promote economic progress.

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Learn more about Citigroup, Inc
Market Cap
$1.3 billion
Industry
Net Income
$89.6 million
Founded
1812
5 Year Trend
+4.6%
NASDAQ

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