Sql/etl/ Power Bi Developer Resume
Washington, DC
SUMMARY:
- Highly analytical and skilled ETL/SQL developer with practical experience of +6 years with a Strong background in business intelligence system design planning and strategy implementation.
- I’ve designed, developed and maintained data warehouse including, gathering business requirements, transforming them into technical requirements, logical and physical data modeling, configuring ETL work flow to populate fact and dimension tables.
- I’ve been a team lead and responsible for creating SSIS package to extract, transform and load data from different sources to the data base and prepare reports by using SSRS/power BI/Tableau where necessary.
- Experience in creating database, tables, indexes, complex queries, stored procedures, triggers, user defined functions, temp tables, complex joins, T - SQL, MS SQL Server 2005/2008/2008 R2/2012/2014
- Hands on experience on identifying and resolving performance issues using SQL profiler, database tuning advisor , DBBC commands and execution plans.
- Experienced in building parameterized stored procedure to support application team.
- Experienced in converting functional requirements into T-SQL scripts and materialized views.
- Experienced in dimensional data modeling including start and snow flake schema
- Experience in BI Semantic-layer modeling and cloud databases.
- Well versed on implementing slowly changing dimensional using SSIS package
- Experienced in denormalization process and grain identification
- Designed a new database model for public school library project.
- Experienced in writing T SQL script to sync staging data to Dim and Fact tables
- Well versed on building SSIS package for file management and data flow
- Excellent in building SSIS package to integrate data from various sources into a DW
- Strong experience in creating, configuring, deploying and testing SSIS packages
- Experienced in data profiling and transformations using SSIS
- Expertise in creating reports through SQL Server reporting services (SSRS)
- Experienced in configuring and managing report subscriptions.
- Excellent in building C-level Dashboards using Power BI
- Well versed in configuring and managing dataset refresh on Power BI service.
- Hands on experience managing in users on report server and Power BI service.
- Hands on experience on configuring Power BI Work Space.
- Experienced using Agile project management tools like Trello and JIRA
- Experienced working on Agile projects with multiple sprints cycles and scrum meetings.
- Hands on experience working on water fall projects with full SDLC
- Expert on installing and configuring MS SQL Servers
- Hands on experience in configuring SQL Server Reporting service
- Expert in configuring MS SQL Integration Service Catalogue
- Experience in Database optimization using SQL profiler, Database tuning adviser and window performance monitor
- Experienced in partitioning, Creating and managing portioned tables indexes
SOFT SKILLS:
- Excellent Communication Skill, Ability to Work Under Pressure, Decision Making, Time Management
- Self-motivation, Conflict Resolution, Leadership, Adaptability, Teamwork, Creativity
TECHNICAL SKILLS:
Database: MS SQL Server Data Warehousing, T-SQL Scripting
ETL: SSIS, Import and Export
SSIS: Package Development and Implementation
Reporting: SSRS, Power BI, Tableau Report, Dashboard and stories
Modeling: Oracle SQL Modeler
Relational and dimensional data model Collaboration: Slack, WebEx Remote Work and Team Collaboration
Project Management: Trello
Agile and Water Fall: MS Office Excel, Power Point, Word, Access DB
Soft Ware Language skills: Transactional SQL (T-SQL), My/SQL, PL/SQL
PROFESSIONAL EXPERIENCE:
Confidential, Washington, DC
SQL/ETL/ Power BI Developer
Responsibilities:
- Hands on Experience on writing DAX formulas KPIs on power BI
- Experience on hosting and sharing dashboards on the cloud
- Experience creating Relationships, Measures, Calculated Columns, Tooltips in the Power BI .
- Experience in publishing power BI desktop reports built in report view to the power BI service.
- Experience in using Agile project management tools like Trello and JIRA
- Excellent troubleshooting and problem-solving skills
- Expertise in ANSI SQL coding and standards
- Experience on relational (ANSI standard) database performance tuning
- Experienced working on Agile projects with multiple sprints cycles and scrum meetings.
- Hands on experience working on water fall projects with full SDLC
- Defines, prepares and executes migration packages for new ETL objects.
- Create and produce ad hoc reports for the business as needed and per cyclical schedules
- Created tabular, matrix, chart, drilldown reports, and parameterized, cascaded reports
- Troubleshoot ETL issues, validate result sets, implement process improvements & resolve daily reporting automation issues
- Performed backups and restores and resolved server job failures.
- Produced documentation for all kinds of reports and SSIS packages.
- Participated in data designing architecture, data model and mapping process to load data based on business requirement
- Worked in optimizing T-SQL DB, tables, views, stored procedures, user defined functions, indexes and triggers.
- Participated in designing Data Warehouse schema such as star schema and snowflake by using ERwin
- Consolidated data from various sources into a common data warehouse for reporting and analysis purpose using ETL
- Developed and deployed SSIS packages using proper control and data flow elements with error handling.
- Enhanced and deployed SSIS Packages from development server to production server
- Identified and resolved issues related to SSIS package configuration and deployment.
- Maintained data integrity by performing data validation checks.
- Wrote complex T-SQL queries and used stored procedures, triggers and modified existing ones.
- Modeled dimension and fact table using star schema
- Created simple and complex SSAS cubes with multiple fact measures groups, and multiple dimension hierarchies based on the OLAP reporting needs.
- Querying and manipulating multidimensional cube data through MDX Scripting in SSAS.
- Extensively worked on designing reports using SQL Server Reporting Services (SSRS).
- Developed interactive and static reports, sub reports, drill through, drilldown reports using various features like Matrix, Table, Charts, Graphs and Dashboard.
- Created report crucial stored procedures and functions to support reporting dataset manipulation.
- Wrote queries for drill down reports to get the dataset required to build the report.
- Designed and deployed reports in MS SQL Server environment using SSRS report services configuration manager.
- Formatting the reports, writing costumed codes and using them in the expressions.
- Performed database recovery and backup tasks on daily and weekly basis.
- Generated reports using Tableau and power BI
Confidential
SQL/BI Developer
Responsibilities:
- Designed and Developed database modelling including conceptual, logical and physical by using oracle data modeler.
- BI semantic-layer modeling and Experience with cloud databases
- Worked on the complete life cycle of the project from design to implementation.
- Designed the business requirements and system requests based on the user requirements.
- Involved in designing, reviewing, and creating Views, Indexes, Stored procedure, Functions, Triggers based on logical design models, user requirements and physical constraints
- Performed data conversions from various files into a normalized database structure.
- Created check constraints to maintain data integrity.
- Extensively used Joins and sub-Queries to simplify complex queries involving multiple tables for reporting purpose
- Extracted data from diverse data sources such as CSV, Excel and Text file from Client servers and through FTP
- Extensively used SSIS Import/Export Wizard for performing the ETL operations.
- Involved in ETL Design documents review
- Extensively used package configuration to migrate SSIS package from one environment to another Implemented Event Handlers and Error Handling in SSIS packages
- Scheduled SSIS Packages daily and weekly Basis.
- Developed Standard Reports, Sub Reports, Cross Tab Reports, drill down Reports, used various Charts and graphs like Bar Chart, Line graphs, Pie
- Scheduled reports and exported in various format for decision makers
- Created Ad-hoc reports using Report Builder and maintained Report Manager for SSRS.
- Provided disaster recovery procedures and policies for backup and recovery of Databases.
- Extensively involved in knowledge transfer for the documentation team for the development activities
- Produced reports using Tableau and power BI
Confidential
SQL Database/BI/ETL Developer
Responsibilities:
- Involved in the full Software Development Lifecycle (SDLC) phases
- Constructed high performance ETL for data warehouse
- Designed Extract Transform Load (ETL) process to populate the data warehouse using SSIS
- Maintained SSIS package for loading data from multiple databases to data warehouse dimension tables and fact tables.
- Deployed SSIS packages and scheduled job in SQL Server Agent for automation.
- Migrated SSIS packages from development to test to Production environments using SSIS XML Configuration files and deployment wizard
- Developed SSIS packages with monitoring features and logging
- Involved in creation of dimensions using STAR and SNOW FLAKE Schema
- Designed cubes with star schema using SQL Server Analysis Services (SSAS)
- Defined relationships between Measure groups and Dimensions
- Created SSAS Cubes, Facts and Dimension tables and then applied various services like KPI's, Partitions, Calculated Members and actions
- Developed SSAS Cubes and export them out as pivot tables in Excel for analysis purpose
- Participated in designing in developing MDX Queries in order to perform drilldown reports and for calculating measures
- Created and maintained SSRS report using OLTP data, OLAP multidimensional data, and SSAS Cubes
- Developed query for generating drill down reports in SSRS.
- Implement report parameters, a report layout, interactivity in a report created by using an SSAS data source
- Prepared Ad-hoc reports through report builders and published through Report Manager, Tableau is also used.
- Generated Snapshot, Drill Down, and parameterized reports using SSRS
- Designed, Developed and Deployed reports in MS SQL Server environment using SSRS
- Setting catches and snapshots on the server, ensuring security like distribute and change different security roles for users, scheduling the reports delivery to clients email or shared files.
- Implemented Table, Views, Function, Stored Procedures and Triggers for load data and validation purpose
- Scheduled the reports to refresh and run on daily, weekly and monthly basis in the report manager.
Confidential
BI/ETL Developer
Responsibilities:
- Highly involved in all activities related to development, implementation, administration and support of ETL processes for large-scale Data Warehouses using SSIS
- Vigorously involved in client meetings in requirement gathering and development updates
- Loaded data to the interface tables from multiple data sources such as MS Access, Oracle, Text files and Excel Spreadsheets
- Created SSIS Sequence container to load dimension and fact table for data warehouse
- Created common and various dynamic SSIS package using Variables, Expressions, and Package Configurations to populate the data warehouse
- Used SSIS to create ETL packages to validate, extract, transform and load data to data mart and data warehouse databases
- Configured and deployed SSIS solutions; Customized dimensions and measures
- Monitored SSIS packages with SSIS log and event handler
- Implemented dimensions, storage design and processing options in a cube
- Modified existing dimensional and fact table and relationships. Configured report execution and delivery
- Applied perspectives and KPI using calculated measures based on requirements.
- Configured permissions and roles and diagnose and resolve performance issues in SSAS
- Designed, developed and deployed reports like: drilldown, drill through and parameterized reports using SSRS.
- Generated various reports like: Cascade type, Tabular, drill down reports using Expressions, Functions & Tableau.
- Used complex expressions to calculate, group, filter, parameterize, and format the contents of a report
- Build effective queries for high-performance reporting and rendered them to PDF and Excel
- Worked in designing and optimizing T-SQL DB objects tables, stored procedures, user defined functions, using Management Studio