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Ab Initio Data Engineer

https://www.citi.com/ Logo

Citi

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Location:
India, Chennai ▼

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Job Responsibility:

  • Ability to design and build Ab Initio graphs (both continuous & batch) and Conduct>it Plans
  • Build Web-Service and RESTful graphs and create RAML or Swagger documentations
  • Complete understanding and analytical ability of Metadata Hub metamodel
  • Strong hands on Multifile system level programming, debugging and optimization skill
  • Hands on experience in developing complex ETL applications
  • Good knowledge of RDBMS – Oracle, with ability to write complex SQL needed to investigate and analyze data issues
  • Strong in UNIX Shell/Perl Scripting
  • Build graphs interfacing with heterogeneous data sources – Oracle, Snowflake, Hadoop, Hive, AWS S3
  • Build application configurations for Express>It frameworks – Acquire>It, Spec-To-Graph, Data Quality Assessment
  • Build automation pipelines for Continuous Integration & Delivery (CI-CD), leveraging Testing Framework & JUnit modules, integrating with Jenkins, JIRA and/or Service Now
  • Build Query>It data sources for cataloguing data from different sources
  • Parse XML, JSON & YAML documents including hierarchical models
  • Build and implement data acquisition and transformation/curation requirements in a data lake or warehouse environment, and demonstrate experience in leveraging various Ab Initio components
  • Build Autosys or Control Center Jobs and Schedules for process orchestration
  • Build BRE rulesets for reformat, rollup & validation usecases
  • Build SQL scripts on database, performance tuning, relational model analysis and perform data migrations
  • Ability to identify performance bottlenecks in graphs, and optimize them
  • Ensure Ab Initio code base is appropriately engineered to maintain current functionality and development that adheres to performance optimization, interoperability standards and requirements, and compliance with client IT governance policies
  • Build regression test cases, functional test cases and write user manuals for various projects
  • Conduct bug fixing, code reviews, and unit, functional and integration testing
  • Participate in the agile development process, and document and communicate issues and bugs relative to data standards
  • Pair up with other data engineers to develop analytic applications leveraging Big Data technologies: Hadoop, NoSQL, and In-memory Data Grids
  • Challenge and inspire team members to achieve business results in a fast paced and quickly changing environment
  • Perform other duties and/or special projects as assigned

Requirements:

  • Bachelor's degree in a quantitative field (such as Engineering, Computer Science, Statistics, Econometrics)
  • Minimum 5 years of extensive experience in design, build and deployment of Ab Initio-based applications
  • Expertise in handling complex large-scale Data Lake and Warehouse environments
  • Hands-on experience writing complex SQL queries, exporting and importing large amounts of data using utilities

Additional Information:

Job Posted:
March 22, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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