Phalgun Chalikonda
Verified Expert in Engineering
Business Intelligence Developer
Brampton, ON, Canada
Toptal member since March 4, 2024
Phalgun is a senior BI engineer with nearly a decade of experience building robust dashboards and performing ETL tasks for clients like IGT, AspenTech, JANA, and AmerisourceBergen. He specializes in SAP BusinessObjects, Tableau, Power BI, Google Data (now Looker) Studio, Azure Data Factory, Microsoft SSIS and SSMS, and BigQuery. Phalgun's expertise includes transforming businesses through innovative solutions that streamline processes, boost efficiency, and enhance productivity.
Portfolio
Experience
- Tableau - 9 years
- SQL Server Management Studio (SSMS) - 8 years
- SAP BusinessObjects (BO) - 8 years
- Microsoft Power BI - 6 years
- Power BI Desktop - 6 years
- Azure - 3 years
- Google Cloud Platform (GCP) - 3 years
- Google BigQuery - 3 years
Preferred Environment
Windows, Slack, GitHub, Teams, Linux, Visual Studio Code (VS Code), BI Reporting
The most amazing...
...Power BI and Tableau dashboards I've developed provided real-time insights, enabling the company to make data-driven decisions and earning me much recognition.
Work Experience
Senior BI Developer
AmerisourceBergen
- Created SAP BusinessObjects reports and handled migration projects—converting the reports to Microsoft Power BI—for clients like Pfizer, Bayer, and Apotex.
- Tracked and fixed bugs using Jira as a reporting tool.
- Handled critical performance issues and the latest change requests from different clients to create a robust dashboard that commonly serves all the teams.
Senior Data Specialist
JANA
- Developed several dashboards for different clients and created ETL pipelines in Azure and GCP.
- Tracked and fixed bugs using Jira as a reporting tool.
- Worked with millions of records of data and handled performance issues at the ETL and reporting ends.
- Gained experience building multiple data pipelines, end-to-end ETL, and ELT processes for data ingestion and transformation in GCP and coordinated tasks among the team.
- Built datasets and tables in Big Query and loaded data from cloud storage.
- Implemented Airflow DAG for task execution and monitoring process.
Data Reporting Analyst – Tableau and Power BI
AspenTech
- Developed complex dashboards with the organization's data and accomplished the migration project, converting reports from local custom reports to Power BI.
- Tracked and fixed bugs using Jira as a reporting tool.
- Created schedules, monitored the dashboards, and engaged in administrative activities.
Software Lead Engineer
HCL Technologies
- Developed complex dashboards and directly interacted with clients in end-to-end development, including training.
- Tracked and fixed bugs using Jira as a reporting tool.
- Worked on multiple production environments and handled critical performance issues, multitasking in leading the team and developing solutions for the latest requirements per new change requests.
Experience
Sales Management Dashboard
https://www.loom.com/share/dff05d952a17404fb8f3c152ea385740?sid=56650591-fb38-46a2-b451-add0b7d7d8c5Migration Project from Tableau to PowerBI
I was the senior Power BI developer assigned to work on the migration dashboards project, and I completed it with additional change requests within the given estimates and timeline. Implemented all functionalities in this complex suite of dashboards in addition to the data updates. It was a complete migration project from Tableau to Power BI from scratch.
Senior Business Intelligence Developer
• Rebuilt Tableau LOD expressions and table calculations using advanced DAX (CALCULATE, SUMX, ALLEXCEPT, TREATAS, and time intelligence functions) and optimized star schema data models.
• Implemented advanced Power Query transformations (M language), incremental refresh, query folding optimization, and parameterized dataflows.
• Designed scalable datasets with row-level security (RLS), composite models, and performance tuning using DAX Studio and Performance Analyzer.
• Ensured pixel-perfect UI replication with enhanced interactivity using bookmarks, drill-through, dynamic measure switching, and calculation groups.
Education
Bachelor's Degree in Computer Science
Jawaharlal Nehru Technological University - Kakinada, Andhra Pradesh, India
Certifications
Microsoft Power BI Data Analyst
Microsoft
Microsoft Certified: Azure AI Fundamentals
Microsoft
Microsoft Certified: Azure Data Fundamentals
Microsoft
Certified Tableau Desktop Specialist
Tableau Software, LLC
Microsoft Certified: Azure Fundamentals
Microsoft
Skills
Tools
Tableau, Microsoft Power BI, Power BI Desktop, Power BI Report Server, Jira, GitHub, Tableau Desktop Pro, Google Sheets, Slack, Power BI Mobile, BigQuery
Languages
SQL, Python, Snowflake
Paradigms
Business Intelligence (BI), ETL
Platforms
Windows, Azure, Google Cloud Platform (GCP), Linux, Visual Studio Code (VS Code)
Storage
SQL Server Management Studio (SSMS), IBM Db2, SQL Server Integration Services (SSIS), Data Pipelines
Other
SAP BusinessObjects (BO), Data Visualization, Dashboards, BI Reporting, Dashboard Design, DAX, Key Performance Indicators (KPIs), Reports, Metrics, BI Reports, Reporting, Data Modeling, Trend Analysis, Business, Tableau Server, Azure Data Factory (ADF), Data Analysis, Data Analytics, Data Reporting, Excel 365, Data Engineering, Google BigQuery, Google Data Studio, Teams, Data Build Tool (dbt), Azure Data Lake
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