Tableau Developer

• 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

• 5-9 yrs of strong on data analytics with executing SQL queries in different databases for example: Oracle, SQL, Mongo, PostgreSQL, hive/impala/spark to analyze data and fix data issue as and when required
• Proficient understanding of distributed computing principles
• Proficient in SQL coding and Tuning
• Experience with Tableau software both on Tableau Desktop, Tableau Prep and Tableau Server
• Experience with integration of data from multiple data sources
• Good knowledge of Big Data querying tools, such as Hive and Impala
• Knowledge on Hadoop v2, MapReduce, HDFS, Pyspark, and Spark is plus but not mandatory
• Strong experience on data structure
• Developing advanced reporting, analytics, dashboards, and other business-intelligence solutions
• Creating visually appealing and interactive dashboards is a primary responsibility
• Connecting Tableau to different databases, ensuring data accuracy, and maintaining the integrity of data feeds also responsible for cleansing and preparing data to be effectively used in Tableau for analysis and reporting
• Responsibility includes improving load times, enhancing responsiveness, and handling large datasets efficiently
• Setting up appropriate access controls, monitoring data usage, and protecting sensitive information
• Improving performance by twisting SQL queries
• Discovering areas of automation for making the business process more efficient
• Performing and documenting data analysis, data validation, and data mapping/design

Knowledge on Hadoop v2, MapReduce, HDFS, Pyspark, and Spark