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Big Data and Java Developer - Multiple Teams

Citigroup

$142,320 - $213,480
Sep 23, 2025
New York, NY, USA
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Prime Service Tech is working on multi-year growth initiative and consent order data remediation deliverables and as part of it, we are expanding our platform offering to markets quants and product development to build analytics using Python, hosting new data platform, creating new data pipelines and building robust monitoring and observability capabilities for Prime Tech.

Requirements

  • At least 5 years of working as a lead developer on JAVA backends
  • Understanding of design patterns and hand on coding skills .
  • Understanding of latest java versions along with Executor patterns , Stream API , Lambda etc. . Deep understanding of data structures also required along with basic principles of Java .
  • Understanding of Linux , Bash and basic scripting along basics like Unix group , hostgroup etc .
  • Understanding of RDBMS vs NO SQL vs Columnar Databases . Understanding of the file formats like Parquet , Avro , ORC, Iceberg etc. also required .
  • Experience working on Microservice Architecture , Containerization and Orchestration .
  • Working experience of using telemetry specifically open telemetry , ELK , Grafana , Prometheus etc. .

Responsibilities

  • building data pipelines
  • creating APIs to access data
  • establishing and implementing new or revised application systems and programs
  • lead applications systems analysis and programming activities
  • ensure common solutions and strategic architecture is consistently implemented across Prime & Clearing & Equities org and broader markets technology
  • coding, testing, debugging, and implementation
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary

Other

  • 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
  • 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