Senior Big Data Engineer (Apps Dev Tech Lead)

The Big Data Engineer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities :

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements

Resolve variety of high impact problems / projects through in-depth evaluation of complex business processes, system processes, and industry standards

Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint

Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation

Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals

Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions

Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary

Appropriately assess risk when business decisions are made, demonstrating 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.

Qualifications :

6-10 years of experience with Data Pipeline Development : Design, build, and maintain scalable ETL / ELT pipelines to ingest, transform, and load data from multiple sources.

Big Data Infrastructure : Develop and manage large-scale data processing systems using frameworks like Apache Spark, Hadoop, and Kafka.

Proficiency in programming languages like Python, or Scala.

Strong expertise in data processing frameworks such as Apache Spark, Hadoop.

Expertise in Data Lakehouse technologies (Apache Iceberg, Apache Hudi, Trino)

Experience with cloud data platforms like AWS (Glue, EMR, Redshift), Azure (Synapse), or GCP (BigQuery).

Expertise in SQL and database technologies (, Oracle, PostgreSQL, etc.).

Experience with data orchestration tools like Apache Airflow or Prefect.

Familiarity with containerization (Docker, Kubernetes) is a plus

Good to Have Skills :

Distributed caching solutions (Hazelcast or Redis)

Prior experience with building distributed, multi-tier applications is highly desirable.

Experience with building apps which are highly performant and scalable will be great

Education :

Bachelor’s degree / University degree or equivalent experience

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, - $170,

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 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 :

Oct 24, 2025