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Sr. Sql/etl/power Bi Developer Resume

Chicago, IL

PROFESSIONAL SUMMARY:

  • Overall 7+ years of Experience on data warehousing in implementing and developing OLTP warehouse applications using SQL Server 2008 R 2/ 2012/2014/2016.
  • Expert in Microsoft suite of products like SQL server Integration services (SSIS), SQL server Analysis services (SSAS) and SQL server reporting services (SSRS).
  • Expertise in building ETL solutions for data warehousing using SQL server integration services (SSIS) and Azure Data Factories (ADF).
  • Experience in working with T - SQL Database objects like indexes, Triggers, User Defined Functions and writing complex Stored Procedures using Dynamic SQL.
  • Expertise in performance tuning and optimization of queries using SQL Server Profiler and Analyzing the execution plans of the queries.
  • Extensively worked on creating ETL packages using various control flow and data flow items in SSIS and Azure Data Factory (ADF).
  • Experience in Azure Cloud Data warehousing in Azure Synapse and exposure to new data warehouse concepts like distributed tables, materialized views etc.
  • Experience working with Azure Data Lake Store and Azure Blob Storages.
  • Knowledge on creating ETL Pipelines, Data Flows, Linked Services and Lift-Shift SSIS Packages to Azure.
  • Experience in writing power shell scripts and BIML files to automate the process of SSIS Development.
  • Experience with Configuration of Continuous build and deployment pipelines using YAML in Azure Dev ops.
  • Mastered the ability to design and deploy rich Graphic visualizations with Drill Down and Dropdown menu option and Parameterized using Tableau and Power BI.
  • Good Knowledge in developing complex reports using SQL server reporting services (SSRS).
  • Experience in Performance Tuning of reports within Power BI Desktop, On Premise Power BI Server, Power BI Service.
  • Expert in creating cubes with dimensions and fact tables in MOLAP warehouse using SQL server Analysis services (SSAS).
  • Expertise in writing complex calculations, measures and Functions using Data Analysis Expression Language (DAX).
  • Knowledge of Data warehousing concepts like Normalization of data, OLTP and OLAP systems, Physical and Logical data model and wide experience with star and Snowflake schemas.
  • Knowledge of Python and Python Data Analysis Libraries like Numpy, Pandas and Python Data visualization libraries like matplotlib, Seaborn.
  • A well-organized, goal-oriented, highly motivated effective team member with excellent analytical, troubleshooting, and problem-solving skills.

SKILL:

Operating Systems: Windows 10/8/7 Windows server 2016/2012/2008 R2/2008, Linux

ETL Tools: SQL server business development studio (BIDS), Data transformation services, SQL server integration services (2008, 2012, 2014)

Analysis and reporting services: SSAS, SSRS, Tableau, Qlik view, Power BI

SQL server Tools: SQL server management studio, Data base engine, Import and export wizard

Architecture: Relational DBMS, Client-server architecture, OLTP, OLAP, Azure Cloud Services

Programming: C, T-SQL, .net, MDX, XML, C#, BIML, Power Shell ISE

PROFESSIONAL EXPERIENCE:

Sr. SQL/ETL/Power BI Developer

Confidential, Chicago, IL

Responsibilities:

  • Worked with Product Owners to identify requirements for the dashboards and reports and develop design Specifications, Data Dictionaries and Source to Target Mapping documents.
  • Participate in Azure Cloud Architecture POC and Power BI Governance for Administering dashboards.
  • Developed Complex Dashboards and Scorecards for Sales Reps. In Power BI and enabled row-level security.
  • Experience migrating Databases from On-Prem to Azure SQL using Pipelines in Azure Data factories.
  • Developed a Data Model and E-R diagrams for the Analytics Data mart using Microsoft Visio and knowledge in implementation of Star, Snowflake and Hybrid Schemas.
  • Experience in Using advanced SQL Server Concepts like Partition Swapping and Temporal tables for building the data mart
  • Worked on Identifying Slow running Stored Procedures and tuning them using Performance tuning techniques and optimizing the queries by Identifying bottlenecks.
  • Experience in working with both DB2 and T-SQL queries and wrote complex Stored Procedures using Dynamic SQL.
  • Experience working with Big Data Analytics like Spark, Hive QL for Azure Data Lake.
  • Experience working on migrating On-Prem SQL Server to Azure Data Warehouse.
  • Worked with Business Intelligence Manipulation Language (BIML) to rapidly and securely develop SSIS packages.
  • Experience working with Configurations in Azure Data Factory to execute the SSIS Packages in Azure.
  • Experience Creating ETL Pipelines, Data Flows, Control Flows, linked Services using Azure Data Factory.
  • Worked on Converting C# Console Apps to ETL using SSIS to generate Flat Files used a Source for other Applications across the Organization.
  • Experience in Creating Standard and Data driven Subscriptions and delivered files to users in multiple ways.
  • Experience in writing Advance Calculated measures in DAX and Power Query to support the Dashboard requirements.
  • Experience Creating Build and deployment pipelines using Azure Dev ops for SSIS, SSRS and Database Deployments using DACPAC and also working with Job servers like Hang Fire.
  • Experience in Setting up Continuous Build and Deployment Pipelines using YAML in Azure Dev ops

Environment: s: MS SQL Server 2008 R2/2017, SSIS, SSAS, SSRS, Power BI, T-SQL, XML.BIML, JSON, DAX, Power Shell ISE, C#.Net, SSMS 18.1, TFS, Azure Dev ops, GIT, Source Tree, Visio, IBM Db2 I series Navigator.

Sr. SQL/ SSIS/ Power BI Developer

Confidential, Boston, MA

Responsibilities:

  • Worked with the Product Owners of multiple markets of the Organization to analyze the requirements and also develop design specifications and technical specification documents.
  • Developed T-SQL Stored Procedures and User defined functions using Dynamic SQL using advanced concepts of SQL Server.
  • Developed Complex ETL Packages using SQL Server Integration Services (SSIS) using Various Control Flow Tasks like Execute SQL Task, Execute Package Task, Data Profiling Task and Data flow Tasks like Script Component, Derived Column etc.
  • Experience in Advance performance tuning, optimizing SQL queries and building indexes
  • Worked on Identifying T-SQL bottlenecks using execution plans, I/O, Disk Space and other issues.
  • Experience in Developing ETL Control Architecture and building custom logging tables and implementing additional abilities like restarting the packages from the last point.
  • Experience in Dimensional modeling and relational modeling to model the data marts and knowledge of implementing star, snowflake and Hybrid schemas.
  • Implemented Advance Concepts like Materialized Views and Tables and pre -processing data based on the identity fields to improve the performance.
  • Designed Various Reports and Automated them using SQL Server Reporting Services (SSRS) to Support the Regulatory report submissions.
  • Experience in building various dashboards to monitor the data for regulatory, Enrolment and Corporate goals using Power BI
  • Experience in writing Advanced Calculations using DAX and Power query to meet the requirements of the dashboards.
  • Experience working on Automated deployments using tools like Team city, Octopus and writing Automated scheduling scripts for Tidal using JSON.

Sr. SQL/ETL/Power BI/Azure Developer

Confidential, Chicago, IL

Responsibilities:

  • Worked with Stakeholders of the organization to gather requirements and develop user case stories and designed all technical documentation as well as data dictionaries for users.
  • Experience in writing power shell scripts to automate the SSIS Package development and ETL processes from various applications and legacy data sources.
  • Extensively worked with Business Intelligence Markup Language (BIML) to develop and test SSIS packages.
  • Developed Complex and Dynamic T-SQL Stored Procedures and User defined functions using advanced concepts like Common Table expressions, Temporary tables, Merge Statements.
  • Worked on various database objects like indexes, views, triggers to maintain Data Security and Data Integrity.
  • Created new stored procedures and modify existing ones using T-SQL to support business reports and processes
  • Major activities include advanced performance tuning, database design, capacity planning and establishing standards for SQL installations, maintenance, tuning, and coding standards.
  • Involved in dimensional modeling to model the data for the data marts and Implementation of Star, Snowflake and Hybrid Schemas.
  • Developed complex SSIS packages using various Control flow tasks like Execute SQL Task, Execute Package Task, Script Task, Data Profiling Task and with Dataflow Tasks like Derived column, conditional split and custom transformations using script component.
  • Experience in building custom SSIS ETL Framework for logging and Auditing purposes of the data warehouse and built ROLAP cube from the data warehouse.
  • Maintained the physical database by monitoring Performance, Integrity and Optimize SQL queries for maximum efficiency using SQL Profiler Index Tuning Wizard.
  • Converted reports from legacy reporting to new reports using SSRS, Tableau and Power BI
  • Developed parameter and dimensional reports, drill-down reports, matrix reports, charts, and Tabular reports using Tableau Desktop.
  • Expert in creating Calculations (LOD, Cube Calculations, Creating/using Parameters, Table Calculations, Totals) and Formatting (Annotations, Layout Containers, Mark Labels, Rich Text Formatting, Shared Encoding) using Tableau Desktop.
  • Developed various reports and Dashboards of operational and research data of the organization using Tableau and Power BI.
  • Experience in development of visualizations with web analytic tools like google analytics.
  • Experience in performance tuning, data profiling and administration of databases.
  • Data migration from On-premise to Azure cloud, Azure SQL Server.

Sr. SQL/BI developer/Tableau Developer

Confidential, Philadelphia, PA

Responsibilities:

  • Involved in gathering business requirements to perform development and testing.
  • Created and executed several SSIS packages to perform ETL operations of the data from SQL server 2008 R2 to SQL server 2012.
  • Involved in designing, developing, and testing of the ETL (Extract, Transformation, and Load) strategy to populate the data from various source systems feeds using SQL Server Integration Services (SSIS).
  • Involved in Data Migration from different data sources to SQL Server 2012 As per Project Need.
  • Created SSIS Packages using Derived Column, Condition Split, Lookup, Aggregate, Execute SQL Task, Data Flow Task, and Execute Package Task to generate underlying data for the reports.
  • Extensively worked on Data cleansing to load clean data from the OLTP to the data warehouse.
  • Experience in providing Logging, Debugging and Error handling by using Event Handlers, and Catalog Logging, break point, data viewers, check points for SSIS Packages.
  • Worked on Identifying Key Performance Indicators (KPI) and Metrics for Business needs in SSAS.
  • Developed Multi-Dimensional Cubes in Data Warehouse using SSAS.
  • Created Star Schema for OLAP cube generation and extensively worked on dimension modeling for analysis using SQL server analysis services (SSAS).
  • Created incremental refreshes for data sources on Tableau server to improve the performance.
  • Published of various kinds of live/extract based interactive data visualizations, dashboards, reports and workbooks from Tableau Desktop to Tableau servers
  • Experience in publishing reports, data source and dashboards, scheduling refresh, create projects, groups, users, exporting the reports in different Formats in Tableau server.

Environment: s: MS SQL Server 2012/2016, SSIS, SSAS, SSRS, Tableau, Power BI, Google Analytics, MDX, T-SQL, XML, BIML, DAX, Power Shell ISE, C#. Net, SSMS 2012/2016, Atlassian tools (Bit bucket, JIRA), Sub version.

SQL/MSBI Developer

Confidential, Atlanta, GA

Responsibilities:

  • Developed complex SSIS packages using proper control and data flow elements.
  • Worked along with the team to build SSIS packages to perform data conversion and loading of data for current reports and historical reports.
  • Migrating data from various OLTP data sources, such as Oracle, MS Access, MS Excel, Flat Files, CSV files into SQL Server 2012.
  • Worked with SSIS Variables, Scripting, event-handlers, package configurations and deployment
  • Worked on SSIS performance tuning using counters, error handling, event handling, re-running of failed SSIS packages using checkpoints.
  • Developed various types of reports like Cascading, Tabular, Matrix and Drill down reports using SSRS.
  • Experience in Performed tuning and optimization for reports that take longer execution time using MS SQL Profiler, Index Tuning wizard and SQL Query Analyzer.
  • Knowledge in developing and modifying multi-dimensional cubes using SQL Server Analysis Services (SSAS).

Environment: s: SQL Server 2012/2008R2 Enterprise Edition, MSBI Suite (SSAS, SSIS, SSRS), XML, MS PowerPoint, OLAP, OLTP, Erwin, MS Project, MS Access 2008, Windows Server 2008, Oracle

SQL Database Developer

Confidential, Herndon, VA

Responsibilities:

  • Defined and designed the data sources, data flows, worked in conjunction with the data warehouse architect on the development of logical data models.
  • Created ETL packages using SSIS to move data from various heterogeneous data sources.
  • Created new views, wrote stored procedures for Application Developers and some user defined functions.
  • Performed development support, document reviews, test plan, integration of the system.
  • Creation/ Maintenance of Indexes for fast and efficient reporting process.

Environment: s: MS SQL Server 2008/2005, SQL Server Reporting services (SSRS), Business Intelligence Development Studio (BIDS), Microsoft office Suite.

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