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Big Data and Java Developer - Hybrid

Citi

$142,320 - $213,480
Sep 9, 2025
Jersey City, NJ, US
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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
  • hosting new data platform
  • creating new data pipelines
  • building robust monitoring and observability capabilities
  • establishing and implementing new or revised application systems and programs
  • lead applications systems analysis and programming activities

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
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular 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.
  • Minimum of 8-10 years of hands on development experience in recent role(s)
  • Demonstrated leadership and project management skills