Yash

WORK HISTORY 1. Senior Tableau Developer LTI (Larsen & Toubro Infotech), Bangalore | September 2022 – Present Client: Rolls-Royce

 Successfully managed and analyzed a massive airline time series dataset containing 4-5M records using Tableau.

 Designed and developed interactive Tableau dashboards to visualize key performance metrics, trends, and insights derived from the airline time series dataset.

 Engineered 5 advanced functionalities within the Tableau dashboards to handle the complexities of the large time series dataset, enhancing user experience and data accessibility.

 Created a diverse range of custom visualizations, including Sankey charts, Dendrogram charts, Pareto charts, Waterfall charts, and more, expanding the analytical capabilities of the Tableau dashboards.

 Thoroughly assessed Tableau performance using tools like Performance Recording and Optimizer at Desktop and Server levels.  Strategically tackled identified bottlenecks, leading to a notable 45% improvement in dashboard responsiveness and loading times.

 Significantly contributed to the success of 2 Tableau Server upgrades, facilitating smooth transitions and utilizing new features.  Conducted root cause analysis for performance issues using integrated PostgreSQL databases in Tableau, extracting historical data to optimize performance and understand user engagement patterns.

 Collaborated with cross-functional teams to gather requirements, prioritize data-driven solutions, and implement enhancements.  Presented insights and optimization strategies to guide data-driven decisions, showcasing Tableau expertise in visualization and performance.

 Environment: Tableau, Tableau Desktop, Tableau Server, Tableau Online 2. Business Intelligence Developer Affinity X | Feb 2019 - September 2022

 Conducted the Root Cause Analysis of bad data and queried approx. 1M records loaded into the tableau with the help of Custom Query.

 Implemented innovative approach to convert manual daily excel reporting work to SQL using Custom SQL Editor of Tableau and Custom Query of Google Data Studio.

 Performed analysis, producing quantitative visualizations in Tableau and Google Data Studio to help manage performance and saved the time of Reporting and Analytics Team by 75%.

 Mastered the ability to design and deploy rich Graphic visualizations with Drill Down and Drop-down menu using calculations, parameters in Tableau.  Developed Tableau data visualization using Scorecards, Pivot tables, Cross tabs, Heat maps, Box and Geographic Map, Pie Charts and Bar Charts and Density Chart.

 Involved in creating a dual-axis bar chart with multiple measures.

 Utilized Tableau server to publish and share the reports with the business users. ∙

 Implemented data blending to blend related data from different data sources.

 Environment: Tableau, Power BI, Google Data Studio.