PySpark/Python developer - AVP

Citigroup Inc.; Pune District; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

Citigroup Inc. is seeking a Senior Applications Development Programmer in Pune, India. This senior-level position involves establishing and implementing application systems in coordination with the Technology team. The ideal candidate should have extensive experience in Big Data technologies and lead programming activities.

Responsibilities include partnering with multiple teams to integrate functions and manage complex projects. Candidates must demonstrate strong systems analysis skills, particularly in Big Data, and be proficient in tools such as GIT and JIRA.

Qualifications

• Minimum 2 years’ experience in Big Data technologies.
• Strong understanding of logical data structures.
• Experience in system analysis, design and architecture.

Responsibilities

• Lead applications systems analysis and programming activities.
• Partner with management teams to integrate functions.
• Provide expertise in applications programming.

Skills

Big data technologies (HDFS, Map Reduce, YARN, Apache Spark, Hive)

Application performance tuning

SQL

Agile/Scrum methodology

Python/Scala

UNIX/Linux

JIRA

Cloud and container technologies

Kafka (real time data processing)

No SQL databases

Education

Bachelor’s degree in computer science or equivalent experience

Master’s degree preferred

Tools

GIT

Maven

Jenkins/Team City

Job description

The Applications Development Senior Programmer 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.

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 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.
• 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 and low latency components to run Spark clusters.
• Interpreting functional requirements into design approaches that 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 in computer science or equivalent experience.
• Master’s degree preferred.

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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