Big Data Developer - Pyspark,Hive

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.
Responsibilities:

• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
• Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
• Apply fundamental knowledge of programming languages for design specifications.
• Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
• Serve as advisor or coach to new or lower level analysts
• Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
• Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
• 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.

Required Skills and Qualifications:  

4+ Years Hands on Experience in BigData, Pyspark
    Strong experience with Oracle database development, including PL/SQL programming.
    Proficiency in Big Data platforms such as Hadoop, Spark, or similar technologies.
    Solid understanding of database design principles and data modeling.
    Experience with ETL tools and data integration processes.
    Knowledge of performance tuning and query optimization techniques.
    Familiarity with data warehousing concepts and implementation.
    Strong problem-solving and analytical skills.
    Excellent communication and teamwork abilities.
Preferred Qualifications:  
    Experience with cloud-based database solutions (e.g., Oracle Cloud, AWS, Azure).
    Knowledge of NoSQL databases and technologies.
    Familiarity with data visualization tools and reporting platforms.
    Certification in Oracle Database or Big Data technologies.

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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