The Applications Development Technology Lead Analyst 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 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.

Recommended Qualifications:

• Qualifications: 

  • 10+ years of relevant experience 

  • In-depth understanding of HDFS architecture, data storage, and fault tolerance mechanisms. Experience with HDFS commands and administration. 

  • Solid understanding of YARN resource management and job scheduling. 

  • Fundamental understanding of MapReduce programming paradigm, even if primary development is in Spark. 

  • Strong proficiency in Spark Core, Spark SQL. Expert-level programming skills in Scala, specifically for developing Spark applications. 

  •  Experience with Spark performance optimization techniques (e.g., caching, partitioning, shuffle optimizations, memory management). 

  • Familiarity with deploying Spark applications on YARN.

  • Advanced proficiency in writing complex HiveQL queries for data analysis and ETL processes. Understanding of Hive metastore, execution engines (MapReduce, Tez, Spark), and storage formats (ORC, Parquet, Avro). Experience in optimizing Hive queries and table designs for performance. 

  • Strong object-oriented and functional programming skills. Experience with Scala build tools (SBT, Maven). Knowledge of common Scala libraries and frameworks.

  • Complex query writing, subqueriesand performance tuning. RDBMS concepts and SQL for data integration. 

  • Workflow Orchestration: Apache Oozie, Apache Airflow 

   

  Tools and Methodologies 

  • Version Control: Git (GitHub, GitLab, Bitbucket). 

  • CI/CD: Experience with Jenkins, GitLab CI, or similar tools. 

  • Agile Development: Familiarity with Agile/Scrum methodologies. 

  • Shell Scripting: For automation and system administration tasks. 

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.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

 

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