Hi, I’m
Vinothkumar Viswanathan
Summary
Results-oriented Senior Tableau Developer with over 10 years of demonstrated expertise in spearheading initiatives to enhance data accuracy and integrity.Proficient in leveraging advanced skills in Alteryx, Tableau, SQL, PostgreSQL, and Python to architect comprehensive business intelligence solutions. Committed to delivering strategic insights and fostering a data-driven culture within organizations.
Overview
10
years of professional experience
1
Certification
Work History
Mresult
Senior Solution Architect
04.2021 - Current
Job overview
- Developed and maintained Tableau dashboards and reports to visualize data insights for Supply Chain.
- Created Tableau Dashboards with interactive views, trends and drill downs along with user level security.
- Expert level Capability in Tableau calculations and applying complex, compound calculations to large, complex data sets.
- Streamlined and optimized data visualization workflows, resulting in a 20% improvement in report generation time and enhanced user experience.
- Implemented robust data governance standards and best practices to ensure data accuracy, consistency, and security across Tableau reports and dashboards.
- Provided technical support for Tableau users, addressing issues and resolving challenges related to data connectivity and visualization.
- Developed and maintained a library of Tableau templates and reusable components, streamlining the dashboard creation process.
- Documented Tableau development processes and best practices, contributing to a knowledge base for the team and ensuring consistency in reporting standards.
- Managed multiple projects with high degree of accuracy and attention to detail.
Teksystems, Allegis Group
Senior Data Analyst
03.2020 - 04.2021
Job overview
- Generate standard or custom reports summarizing business, financial, or economic data for review by executives, managers, clients, and other stakeholders.
- Built tableau dashboards for Billing Subscriptions to demonstrate the revenue to top level management.
- Provided customer support to Tableau users and Wrote Custom SQL to support business requirements.
- Led a team in the successful implementation of Tableau Server, ensuring optimal performance and scalability for enterprise-level data visualization projects.
- Implemented row-level security in Tableau to ensure data confidentiality and compliance with privacy regulations.
- Designed and implemented ETL processes to extract, transform, and load data into Tableau for real-time reporting and analysis.
Suyati Technologies
Senior Engineer
09.2019 - 03.2020
Job overview
- Generate standard or custom reports summarizing business, financial, or economic data for review by executives, managers, clients, and other stakeholders.
- Provide technical support for existing reports, dashboards, or other tools.Created Proof of concept for multiple BI related projects using different BI tools Alteryx, Tableau, Power BI.
- Designed and developed ETL workflows and datasets in Alteryx to be used by the BI Reporting tool. ETL specific for creating datasets (to be used by Tableau Data Extract for BI)
- Prepared technical specifications and documentation for Alteryx workflows supporting BI reports.
- Support the Business Intelligence/Analytics data analyst with the understanding of business and data requirements, and iteratively designs visualizations for initial concepts and prototypes that can be presented to customers for feedback
Technosoft corporation Pvt Ltd
Senior Data Analyst
04.2018 - 09.2019
Job overview
- Interacted with business stakeholders to understand their decision-making parameters, analyzing the available data to build Tableau Dashboards and managing the delivery.
- Produced attractive dashboards to convey the story inside the data.
- Done Tableau server multi-node upgradation from 10.2 to 2018.1
- Extensively used Tabadmin and Tabcmd commands in creating backups and restoring backups of Tableau repository.
- Extensively used REST API to create a connection between Alteryx and Tableau Server
- Extensively used Alteryx for data preparation which includes data cleansing, data manipulation to create TDE (Tableau Data Extract) for data visualization and to create reports using Alteryx designer.
- Created macros in Alteryx designer to convert the reports and dashboards from tableau server to PDF format using 3rd party batch files.
- Published Alteryx workflows into Alteryx gallery and scheduled as per the requirement.
EXL Technosolutions Pvt Ltd
Software Engineer
11.2013 - 04.2018
Job overview
- Responsible for interaction with business stack holders, gathering requirements and managing the delivery, covering the entire Tableau development lifecycle.
- Developed Alteryx workflows for extracting, transforming and analyzing data to address project requirements.
- Manage the ETL process (Tools: ALTERYX) across structured and unstructured data sources to ensure data are suitable and effective for further analysis in Tableau.
- Designed dashboard templates as per the requirement & dashboards content which includes complex reports
- Developed various tableau dashboards prototype for the future uses and conversion of current excel reports into tableau.
- Implemented row level security for the tableau dashboards and used various advanced table calculations for the dashboards.
- Data Validation Process to guarantee Insights are representative of the Business Investigated.
- Responsible for the End-to-End Process of Business Intelligence to ensure timely and accurate delivery of the solutions.
- Created various Transformations like Lookup, Joins, SCD's, Lookup, Aggregator, Sort, and Conditional split. Successfully Implemented Slowly Changing Dimensions .
- Used Type 2 dimension to keep the history changes.
- Created various Transformations like Lookup, Joins, SCD's, Lookup, Aggregator, Sort, and Conditional split.
- Successfully Implemented Slowly Changing Dimensions . Used Type 2 dimension to keep the history changes.
Education
Anna UniversityChennai
Bachelor's of Engineering from ECE
06.2012
Skills
- SQL
- PostgreSQL
- Alteryx
- Tableau
- Python
- Dremio
- Snowflake DB
- Google Cloud
- Dataiku
Certification
ALTERYX CORE DESIGNER CERTIFIED
DATAIKU CORE CERTIFIED
TABLEAU DESKTOP SPECIALIST
Timeline
Senior Solution Architect
Mresult
04.2021 - Current
Senior Data Analyst
Teksystems, Allegis Group
03.2020 - 04.2021
Senior Engineer
Suyati Technologies
09.2019 - 03.2020
Senior Data Analyst
Technosoft corporation Pvt Ltd
04.2018 - 09.2019
Software Engineer
EXL Technosolutions Pvt Ltd
11.2013 - 04.2018
Anna University
Bachelor's of Engineering from ECE
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