Sr. Sql/power Bi Developer Resume
Sacramento, CA
SUMMARY
- Over 7+ years of IT experience with expertise in analysis, design, development and implementation of data marts using Power BI, Tableau, ETL and RDBMS like Oracle 11g, MS SQL server.
- Published Power BI Reports in the required originations and Made Power BI Dashboards available in Web clients and mobile apps.
- Strong ability to analyze user requirements, Business Requirement Specifications.
- Expert in Data Preparation, Data Modeling and Data Blending.
- Extensive experience with SQL Server with DAX Functions Such as SUMX, CALCULATE, ALLEXCEPT, FILTER Functions.
- Worked under Agile Methodology throughout the project, performed decisive role in developing and planning as well as coordinating with assigned sprints.
- Expertise in Power BI Desktop, Power BI Service with Pro and Premium capacities.
- 3+ years of experience in Tableau, designed and developed multiple advanced visualization report and dashboard.
- Excellent experience in Data Analysis, Data Cleansing, Data Verification using complex SQL query. experience in creating advanced chart types, visualizations and complex calculations to manipulate the data as per business need through Power BI and Tableau
- Hands on designing and deploying rich Graphic visualizations with Drill Down and Dropdown menu option and Parameterized dashboards using Tableau.
- Expert in creating different visualizations using Slicers, Lines, Pies, Histograms, Maps, Scatter, Bullets, Heat Maps, Tree maps, etc. using Power BI and Tableau.
- Generated context filters and data source filters while handling large volume of data using Power BI.
- Involved in creating Filters, quick filters, table calculations, calculated measures and parameters in Power BI.
- Hands on experience with MSBI (SSIS) to extract, transform and load data into database. experience in Data Analysis, Data Cleansing, Transformation, Integration, Data Import, and Data Export using ETL tools SSIS.
- Experienced working with Excel Pivot, vlookup and other advance options.
- Extensive experience on interaction with system users in gathering business requirements and involved in developing projects.
- Proactive team player with capability of handling responsibilities independently as well as in a team environment and displayed analytical, problem - solving skills and document function/process flows.
- Good communication skills inter personal skills and proven ability to perform both as an individual and as a team player.
TECHNICAL SKILLS
Reporting Tools: Power BI Desktop (2.68), Power BI Service, Power BI Gateway, Power BI Report Server, Tableau Desktop 8.0/9.3 Tableau Server, SQL server reporting services (SSRS), SQL Server Analysis Services (SSAS).
ETL Tools: SQL Server Integration Services (SSIS).
Databases: Oracle 10g/11g, MS SQL server 2014/16, Teradata 15 and Snowflake cloud database, Azure SQL DB
Hadoop Ecosystem: HDFS, Hive
Operating System: Windows, UNIX
Languages: C, C++, SQL, PL/SQL, T-SQL
Others: TOAD, Oracle SQL developer, MS Office, FTP, Control-M, Teradata View Point, Teradata SQL Assistant, Rally, JIRA, GitHub, JSON
PROFESSIONAL EXPERIENCE
Confidential, Sacramento, CA
Sr. SQL/Power BI Developer
Responsibilities:
- Developed calculated columns and measures using DAX in Power BI.
- Used the tabular model cubes as the source in Power BI to visualize the data.
- Created Power BI dashboard and generated reports.
- Performed Power BI Desktop Data modeling, which cleans, transforms, mash up Data from multiple sources.
- Created multiple transformations and loaded data from multiple sources into the Power BI Dashboard.
- Published Power BI Desktop to the cloud.
- Created interactive reports customized for the business using Power BI Desktop.
- Responsible for Data analytics’ migration from Tableau to Power BI.
- Installed and configured and maintained Power BI Report Server.
- Worked closely with Business Analyst, Data Modeler and all team within the organization to understand business processes.
- Developed complex SQL queries to obtain complex data from tables.
- Read source data from HDFS, Azure SQL DB, CSV, ORACLE 11g, SQL Server 2016. through Power BI.
- Read different formats of Source data from hive like JSON, ORC, TXT.
- Excellent hands-on Experience in ETL (Extraction Transformation and Loading) by extracting large volumes of data from various data sources using SSIS.
- Generated context filters and data source filters while handling large volume of data.
- Created SQL Server Reports and developed query for generating drill down and drill through reports using SSRS.
- Hands on experience in utilizing DAX functions which includes Aggregation, Counting, Logical, information, Text and date functions in source data.
- Used DAX table functions including FILTER, ALL, VALUES, DISTINCT and RELATEDTABLE.
- Have used Z-order to overlap the reports on each other using Power BI.
- Experience in by using Row Transformations, Block and Unblock Transformations for Performance Tuning in SSIS packages.
- Used Power BI, Power Pivot to develop data analysis prototype, and used Power View and Power Map to visualize reports
- Create and customize simple visualizations, Combination charts, Slicers, Map visualizations, Matrixes and tables, Scatter charts, Waterfall and funnel charts, Gauges and single-number cards.
- Published Power BI Reports in the required originations and Made Power BI Dashboards available in Web clients.
- Created multiple data model and used as a common data source for the reporting purpose.
- UsedSSRSto create reports, customized Reports, on-demand reports, ad-hoc reports and involved in analyzing multi-dimensional reports inSSRS.
- Used Power BI Gateways to keep the dashboards and reports up to date.
Environment: MS SQL Server 2012, MS SQL Server Analysis Services (SSAS), EDW, Power BI Desktop, Power BI Service, Data Gateway, DAX, T SQL, SQL Profiler, XML, MS Excel, Windows 8, DAX Studio, M Query.
Confidential, Sacramento, CA
Sr. Power BI and Database Developer
Responsibilities:
- Collaborated with the project team to outline project requirements in JRD meetings.
- Profiled the legacy database tables using T-SQL queries to provide data cleansing issue reports to the client.
- Developed data reconciliation SQL queries to validate the overall data migration.
- Formulated DAX Expressions create Date to yearly columns and implemented partitions in Tabular Models for Power BI.
- Used recently introduced Power BI to create self-service BI capabilities and use tabular models.
- Delivered reports with subscription functions in SSRS.
- Configured SSIS Packages using Environment Variables for Dynamic selection of Development and Production Environment.
- Wrote DAX expressions to create new measures, calculations per business requirements.
- In Power BI developed reports by different time intelligence like year to data (YTD), Month to date (MTD), same period last year.
- Created Row level security so based on role, the end user can view the data.
- Analyzing reporting requirements and develop various Dashboards, using trend lines and reference lines.
- Created no of views, calculated tables, calculated columns and measures.
- Created SQL Queries for testing the Tableau Dashboards.
- Involved in generating Drill through and Drill down reports with Drop down menu option, sorting the data, defining subtotals in SSRS.
- Worked extensively on Data visualization and Data analyzation using PowerBI.
- Hand on Experience in Unix to write basic commands, Moving files from HDFS to local and vice versa.
- Effectively used data blending, filters, actions, and hierarchies feature in Power BI.
- Worked on PowerBIand prepared dashboards using Tableau to make it more attractive.
- Analyzed the data using Statistical features in Power BI to develop trend analysis.
- Used Microsoft PowerBIPower Query to extract data from external sources and modify data to certain format as required in Excel and created SSIS packages to load excel sheets from PC to database.
- Published the developed dashboard, reports on the Power BI Services so that the end-users can view the data.
- Successfully integrated custom visuals based on business requirements in Power BI desktop.
- Participated in the configuration of an on-premises Power BI gateway to refresh datasets of Power BI reports and dashboards.
- Created complicated reports such as parameter-based reports, graphical reports, excel reports, drill-down chart and tabular reports using SSRS.
- Created different data visualizations using Lines, Pies, Histograms, Maps, Scatter, Bullets using Power BI.
- Administrated and scheduled data-driven mailing subscriptions on SSRS Reporting Server.
- Generated and scheduled on-demand reports for business analyses and management decisions with SSRS.
Environment: MS SQL Server, SSRS, SQL Server reporting services, MS SQL Server 2016T-SQL, DAX, SQL Server,Power BIDesktop, MDX, Microsoft Visual Studio 2014, Excel, Azure, SSMS.
Confidential
Jr. Power BI Developer
Responsibilities:
- Performed tasks like execute SQL task, data flow task, file system task for ETL process.
- Worked Extensively on ETL process using SSIS package.
- Used all types of container tasks such as for loop, foreach loop and sequence container in SSIS.
- Created Backend validations using Insert/ Update and Delete triggers.
- Part of Relational Data Warehouse Designs and effectively identified and created Facts and Dimensions tables.
- Coordinated with DBA in creating and managing tables, indexes, triggers and privileges.
- Designed production and sales dashboard for Sales and procurement departments using Power BI.
- Using Microsoft Power BI for data visualization.
- Created new measures and new calculated columns for reports and dashboard analysis.
- Created data visualizations using various visual objects (Line chart, Bar chart, Tree map, Single card, KPI, Map, Pie chart, custom visuals).
- Published reports and dashboards to the Power BI service.
- Created Parameterized Report, Dashboard Report, Linked report and Sub Report by Year, Quarter, Month, and Week.
- Created Drill Down Reports, Drill Through Report by Region.
- Automated Power Query refresh using power shell script and windows task scheduler.
- Used various sources to pull data into Power BI such as SQL Server, Oracle, SQL, Excel, etc.
- Weekly presentation to the business users about the reports and their changes as required.
- Worked on transformations that are available in Power BI query editor.
- Participated in project planning sessions with project managers, business analysts and team members to analyze business requirements and outline the proposed solution.
- Shared the dashboards among multiple users in the group.
- Used SSIS to create ETL packages to validate, extract, transform and load data to data warehouse and data marts.
- Implemented row level security by restricting the users for the data access.
- Created Content packs that package up a dashboard, report, and dataset to share with users.
- Good Knowledge and experience on Power BI Gateways (Personal and Enterprise gateways).
- Used agile development Methodology.
Environment: SQL SERVER 2005/2008, Power BI, T-SQL, SSIS (2005), SSRS (2005), Business Objects, Windows Server 2008, Visual Studio.
