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Business Intelligence and Data Analytics Professional having 11+ years of Team Lead / Specialist, Senior Consultant and Senior Developer experience in designing and implementing Business Intelligence & Data Warehousing Projects using Tableau, MicroStrategy, Sisense, Google Looker Studio, Power BI, SQL Server, Snowflake, PostgreSQL, MYSQL, GCP Big Query, Oracle, Talend, Informatica & IBM Watson Explorer. Designed, developed, and maintained sophisticated Business Intelligence, Reporting and Dashboard solutions for enterprise clients in Technology, Communications, Financial Services, Lifesciences & Healthcare. Worked as Data Engineering & Analytics Team lead in Business Intelligence projects of marquee clients such as Google and Salesforce. Designed & developed more than 600 Dashboards using Tableau, MicroStrategy & Looker Studio for Sales, Operations, Supply Chain, Manufacturing, Healthcare, Finance and other areas and proficient in Performance Tuning of Tableau. Transformed 50% of existing Databases and ETL processes to create the entire Back end of Tableau. Constructed system architecture in such a manner that 80% core business logic remains in the database for future portability to any other data visualization tools. Instituted a Data Strategy to ingest and transformed data to support large volume (billion rows) of data and future portability to any other data visualization tool. Rationalized BI Tools and automated dashboards for clients & saved on man hours and license costs annually. Conducted end-user trainings for faster adoption of data visualization tools in client orgs. Experience with multiple data management tools and techniques producing insights to business teams. Strong experience in data management& analysis, validation, reporting, new data delivery feeds, post-production support and communications to end users of data. Extensive experience in data analysis and proﬁling using complex SQL on various data source systems. Experience is data storing, cleansing, exploring, analyzing and presenting data. Experience working with various types of data connections with multiple on-prem and cloud databases. Deliver medium to large complexity dashboards either individually or as part of a project team. Planning, identifying, and designing data integration strategies and building intuitive interfaces, and visualizations (graphs, charts, heatmaps, KPI scorecards, etc.) dashboards and reports. Experience working with multiple ETL tools to automate the process of moving data from various sources, transforming it, and loading it into a destination system. Experience in creating join indexes, partitioned indexes, and adding collect statistics for query performance. Build row level security and integration for role-based security controls on dashboards & reports. Built tabular & multi-dimensional data models, facts/dimensions data sets, data aggregation & calculations on data sets to build high level views and drilldowns to lower-level data elements. Created Mobile Layouts along with Tableau Dashboards. Experience in Business Analysis, Business Requirements Gathering, Data Blending, Data Mining and Data Governance including management, analysis, validation, reporting, new data delivery feeds, post-production support, and communications to end-users of data. Performed data analysis and data proﬁling using complex SQL on various sources systems including Oracle, Big Query, Snowﬂake and MySQL. Participate in agile ceremonies like grooming, planning, standup, retrospective, demos in agile teams. Experience working on multiple projects simultaneously in Agile environment and effectively interacting with Project Managers/Scrum Masters, Business Analysts and Business Users to drive desired project outcomes. Extensively used Data Deﬁnition Language (DDL), Data Manipulation Language (DML), and Data Control Language (DCL) in SQL to process large data requests. Good Understanding of Entity relationship models and Proﬁcient in creating and maintaining Metadata. Work with QA, UAT users to work on defects, data accuracy, meeting requirements and ﬁx any issues. Partner with cross-functional leadership to deﬁne the ﬁrm's data-related requirements. Creating and managing the strategy and ensures data deliverables and processes drive business results.

Dynamic Tableau Developer with a proven track record at Sunlife Financial, specializing in data visualization and advanced analytics. Expert in crafting impactful dashboards that drive decision-making and enhance operational efficiency. Adept at stakeholder collaboration and process improvement, leveraging Agile methodologies to deliver high-quality reporting solutions.

Highly-motivated Tableau Developer with five years of experience creating dynamic interactive dashboards. Strong desire to take on new challenges. Strong work ethic, adaptability, and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills.

  Over five years of Experience in Designing, Analysis, Management in the Business Intelligence Data warehousing.
  Expertise in Tableau, Tableau Server, Tableau cloud, Tableau Online, Tableau Mobile, Tableau Public, Tableau Reader.
  Performed the entire project life cycle from Analysis, Development, Testing, Production and end user support, worked closely with business users and Platform Team while gathering requirements.
  Worked extensively in creating dashboards using Tableau that includes tools like Tableau Desktop, Tableau Server and Tableau Reader in various versions of Tableau. Also involved in the administration of Tableau server like installations, upgrades, user, user groups creation and setting up security features.
  Worked on several interactive dashboards with Filtering, highlighting, ability to combine multiple data sources, fast creation by a business user, easy sharing with support for existing security using several visual analysis best practices.
  Created advanced chart types, visualizations and calculations to manipulate the data.
  Implemented advanced geographic mapping techniques and use custom images and geo coding to build spatial visualizations of non-geographic data.
  Designed, developed, and supported BI solutions. Involved in Debugging and monitoring, and troubleshooting issues/tickets.
  Proficient in performance optimization and using best practices for developing reporting solutions in Tableau.
  Quick learner and passionate to learn new technologies and help the organization growth.


6 years of professional experience in Tableau development, business intelligence, and data visualization. Expertise in designing, developing, and optimizing interactive dashboards and reports using Tableau Desktop and Tableau Server. Skilled in ETL processes using tools like IBM InfoSphere DataStage for data preparation and integration. Working knowledge of Power BI, including DAX, Power Query, and advanced data modeling concepts. Experience in implementing cloud-based BI solutions using Cloud Chef, and integrating data from AWS and Snowflake. Strong command of SQL for querying, data transformation, and performance tuning on large datasets. Familiar with managing Tableau Server environments, including installation, configuration, and security setup. Proven ability to collaborate with cross-functional teams, and translate business needs into actionable data insights. Adept at implementing row-level security (RLS), LOD expressions, and dashboard performance optimization techniques. Solid understanding of data governance, compliance, and best practices in enterprise analytics.

GREGORY TONODZAI

Summary

Overview

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Tableau Developer

Education

Tableau Certification -

Bachelor of Business Administration - Business Administration

Skills

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Tableau Developer

Tableau Certification -

Bachelor of Business Administration - Business Administration

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