PySpark/Python Developer – Assistant Vice President

The Applications Development Senior 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.
Responsibilities:

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Serve as advisor or coach to new or lower level analysts
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and /or other team members.
• 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.

• Qualifications:

• •  Demonstrated analytical and problem-solving skills. Application performance tuning, troubleshooting experience and the implementation of these skills in Big Data domain. 
  •  Comfortable working with large data volumes and be able to demonstrate a firm understanding of logical data structures and analysis techniques. 
  •  Minimum 2 years’ experience in Big data technologies like HDFS, Map Reduce, YARN, Apache Spark, Hive. 
  •  Familiarity with data formats like Avro, Parquet, CSV, JSON. 
  •  Strong systems analysis, design and architecture fundamentals, Unit Testing and other SDLC activities. 
  •  Understanding fundamental design principles behind a scalable application. 
  •  Experience in working with UNIX/LINUX and shell scripting. 
  •  Good knowledge of database principles, practices with SQL. 
  •  Application performance tuning, troubleshooting experience and the implementation of these skills in Big Data domain. Good to Have: 
  •  Agile/Scrum methodology experience is required. 
  •  Experience in SCMs like GIT and tools like JIRA. 
  •  Experience in No SQL databases. 
  •  Familiarity with build tools such as Maven and continuous integration like Jenkins/Team City. 
  •  Familiarity with cloud and container technologies. 
  •  Experience real time data processing - Kafka. 
  •  Translate application storyboards and use cases into functional applications. 
  •  Design, build, and maintain efficient, reusable, and reliable Python/Scala code. 
  •  Ensure the best possible performance, quality, and responsiveness of the applications. 
  •  Identify bottlenecks and bugs, and devise solutions to these problems. 
  •  Develop high performance & low latency components to run Spark clusters. 
  •  Interpreting functional requirements into design approaches those can be served through Big Data platform. 
  •  Collaborate and partner with Global Teams based across different locations. 
  •  Be able to propose best practices and standards. 
  •  Perform the testing of software prototypes and transfer to the operational team. 
  •  Processing of data using Hive, Impala & HBASE. 
  •  Performing analysis of large data sets and derive insights.

Education:

• Bachelor’s degree/University degree or equivalent experience

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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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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