POLAKONDA RAO
216-***-**** **********@*****.***
Professional Summary:
> 7.5 years of strong experience in Information technology industry
covering all stages of development life cycle including business
process analysis, requirements gathering and analysis, high level
design, detailed design, development, testing, QA and post
implementation support.
> Excellent experience in design, development, implementation and
administration of database systems using MS-SQL Server 2008/2005/2000
for both OLTP & Data Warehousing Systems applications in Financial,
Wireless and Health industries.
> Extensively experienced in database activities like Maintenance and
Performance Monitoring and Tuning using tools such as Index Tuning
Wizard, SQL Profiler, Troubleshooting and Replication.
> Extensive knowledge in design of logical and physical data modeling
using Erwin tool and consistency check using DBCC utilities.
> Adept in RDBMS concepts and constructs along with Objects creation
such as Database, Table, Normalization, UDF, User Defined Data Type,
Indexes, Stored Procedures, Views, Cursors and Triggers.
> Extensive experience in Data Extraction and Transforming and Loading
(ETL) using DTS package in MS SQL Server 2000 and SQL Server
Integration Services (SSIS) in MS SQL Server 2008/2005 with .NET,
Import/Export data, Bulk insert and BCP.
> Expert in SSIS script transformations using C# Script and scheduling
complex SSIS Packages for transferring data automatically from
multiple data sources to SQL server.
> Expert in Database Normalization, Optimization and Tuning,
Backup/Restore, Data Import/Export, Troubleshooting, and Database
Objects authorization.
> Strong experience in creating various reports like Drill through,
Drill down and Ad-hoc according to the user requirement using SQL
Server Reporting Services (SSRS).
> Experienced in report generation using Crystal Reports, XML, MS Access
and Excel spreadsheet.
> 2 years of extensive Tableau Experience in Enterprise Environment, in
Tableau 6.0, 7.0, 8.0 and 8.1 as a Developer and Analyst.
> Extensive Tableau Experience in Enterprise Environment and Tableau
Administration.
> Strong knowledge of Data Warehousing methodologies and concepts,
including star schemas, snowflakes, ETL processes, dimensional
modeling and reporting tools.
> Experienced with aggregation using OLAP analysis services cube.
> Proficient in implementing surrogate key generation strategy in the
Data warehouse.
> Experienced in creating Jobs, Alerts, SQL Mail Agent, Scheduling DTS
packages.
> Organized professional with excellent oral and written communication
skills, excellent presentation, interpersonal skills, problem solving
skills, fast learner and also adept quickly new technology with
ability to take new roles in minimum time and little training.
Education and Certification:
Master's in Computer Sciences, Cleveland State University, OH
Business/Technical Skill:
MS SQL Server 2014/2012/2008/2005/2000, T-SQL, SQL Server Management
Studio, Business Intelligence Development Studio (BIDS), SQL Agent, Data
Transformation Services (DTS), SQL Server Integration Services (SSIS), SQL
Server Reporting Services (SSRS), SQL Server Analysis Services(SSAS), Erwin
Data Modeler, MS Visio, SQL Profiler, Bulk Insert, BCP, Visual Source Safe
Code management tools 6.0., C#, VB.Net, PL/SQL, Oracle 10g/9i/8i, HTML,
XML, UNIX, Windows Server 2008/2003, Crystal Reports XI/X/9.0, MS
Access,PowerPivot,ASP.Net,C#.
Projects Summary:
Grange Insurance, Columbus OH
June14-Present
Grange Mutual Casualty Company, commonly known as Grange Insurance, is an
American insurance company based in Columbus, Ohio. Grange markets its
products exclusively through a network of about 3,600 independent agents to
offer home, auto, life, and business insurance protection to policyholders
Responsibilities:
> Creating SSIS Package configurations for executing in different
environments in SQL Server 2014 using Package Deployment Model.
> Creating ETL SSIS Packages on SQL Server 2014 for Data Warehouse using
Type 4 Slowly Changing Dimension Model
> Fine-tuned SSIS Packages using pipeline processing techniques and
memory buffers.
> Data Cleansing of different data from landing areas to Staging before
performing SCD transformation for loading into FACT and DIMENSION
tables.
> Worked on the development of Dashboard reports for the Key Performance
Indicators for the top management.
> Preparing Dashboards using calculations, parameters in Tableau and
SSRS
AXCIOM Corporation, Conway, AR
Feb 12 - June 14
SQL Server developer (SSIS/SSRS/T-SQL)
Acxiom is an enterprise data, analytics and software as a service company.
For more than 40 years, Acxiom has been a leader in harnessing the powerful
potential of data to strengthen connections between people, businesses and
their partners.
Responsibilities:
> Extensive use of Import/Export wizard to convert T- SQL Queries, Data
and Reports from different forms like XML file, MS Excel file, TTF
file, PDF file and other formats to SQL data type and Vice versa.
> Creation/Modified complex stored procedures which are used for various
reports.
> Used DDL and DML to writing Triggers, Stored procedures to check the
Data Integrity and payment verification at early stages before calling
them.
> Created/Maintained clustered/non clustered Indexes for fast and
efficient reporting process.
> Enhancing and deploying the SSIS Packages from development server to
production server.
> Extensively involved in designing the SSIS packages to export data of
flat file source to SQL Server database.
> Documented the Stored Procedures and User Defined Functions (UDF) for
future references and maintenance.
> Database Objects like Tables, Stored Procedures, Views, Triggers,
Rules, Defaults, user defined data types and functions for this
project.
> Worked with developers to tune the SQL queries using SQL Profiler.
> Used PowerPivot server components to load the data, process queries,
perform scheduled data refresh, and track server and workbook usage.
> End to end experience in designing and deploying data visualizations
using Tableau
> Extensive knowledge in various reporting objects like Facts,
Attributes, Hierarchies, Transformations, filters, prompts, Calculated
fields, Sets, Groups, Parameters etc., in Tableau.
Environment: SQL Server 2008/2005, SSRS, SSIS, Oracle, MS Accesses 2003, MS
Excel 2003, MS Visual Studio 2008/2005,Performance Point Server,
PowerPivot, ASP.NET,IIS
CVS Caremark, Solon, OH
Jan 11 - Jan 12
BI developer (SSIS/SSRS/T-SQL)
Universal American (NYSE: UAM), through our family of healthcare companies,
provides health benefits to people with Medicare. We are dedicated to a
Healthy Collaboration, working together with healthcare professionals in
order to improve the health and well-being of our members. Involving in
maintaining the customer database of customer details and drugs details.
Worked closely with various departments like Collections, Risk and Research
& Analysis for HIPAA Compliance and EDI processing and Data mining
According to Business Requirements and did Sequence Analysis, Deviation
analysis, Regression and Forecasting
.
Responsibilities:
> Creation/Modified complex stored procedures which are used for various
reports.
> Used DDL and DML to writing Triggers, Stored procedures to check the
Data Integrity and payment verification at early stages before calling
them.
> Created/Maintained clustered/non clustered Indexes for fast and
efficient reporting process.
> Enhancing and deploying the SSIS Packages from development server to
production server.
> Extensively involved in designing the SSIS packages to export data of
flat file source to SQL Server database.
> Documented the Stored Procedures and User Defined Functions (UDF) for
future references and maintenance.
> Database Objects like Tables, Stored Procedures, Views, Triggers,
Rules, Defaults, user defined data types and functions for this
project.
> Worked with developers to tune the SQL queries using SQL Profiler.
> Used PowerPivot server components to load the data, process queries,
perform scheduled data refresh, and track server and workbook usage
Environment: SQL Server 2008/2005, SSRS, SSIS, Oracle, MS Accesses 2003, MS
Excel 2003, MS Visual Studio 2008/2005, Windows 2000 Server, DTS Wizards,
Share-point, Dashboard, Performance Point Server,PowerPivot,ASP.NET,IIS
Barclays Capital, Wilmington, DE
Mar 10 - Dec 10
SQL Server BI Developer
Barclays Capital is a global British investment bank. It is the investment
banking division of Barclays plc which has a balance sheet of over 1.2
trillion (2008 BARCAP figures). Barclays Capital provides financing and
risk management services to large companies, institutions and government
clients. It is a primary dealer in U.S. Treasury securities and various
European Government bonds.
Responsibilities:
> Involved in all the phases of SDLC.
> Filtered bad data from legacy system using complex T-SQL statements,
and implemented various types of constraints and Triggers for Data
Consistency.
> Used Stored Procedures for updating Servers.
> Created and Deployed Custom Components in C#.NET .
> Developed, deployed and monitored SSIS Packages including upgrading
DTS to SSIS.
> Used SQL Server Integration Services (SSIS) and its tools to Extract,
Transform and Load data into Data Ware House and for OLTP side.
> Creating and running SSIS Packages for Importing Data from CSV, Pipe
Delimited and Fixed Length Files.
> Responsible for creating log files for SSIS packages, Package
configurations for executing in different environments and Enabled
Check points in SSIS package.
> Created break points in order to view the status of data, variables
and over all status of SSIS package
> Standardized company reports by implementing SQL Server Reporting
Services (SSRS).
> Created various dynamic reports using SSRS.
> Designed and developed parameterized reports, linked reports, matrix
and tabular reports with drill down, drill through and drop down menu
option using SSRS.
> Developed and Deployed different types of Reports like List, Matrix,
and Chart and Sub Reports etc.
> Creation/Modified complex stored procedures which are used for various
reports.
> Used DDL and DML to writing Triggers, Stored procedures to check the
Data Integrity and payment verification at early stages before calling
them.
> Created/Maintained clustered/non clustered Indexes for fast and
efficient reporting process.
> Enhancing and deploying the SSIS Packages from development server to
production server.
> Documented the Stored Procedures and User Defined Functions (UDF) for
future references and maintenance.
Environment: SQL Server 2008/2005, SSRS, SSIS, Oracle, MS Accesses 2003, MS
Excel 2003, MS Visual Studio 2008/2005, Windows 2000 Server, DTS
Wizards,C#.NET
Foresight Financial, Bridgewater NJ
Feb 09 - Feb 10
SQL Server Developer (SSIS/SSRS)
Foresight Financial is a financial services firm specializing in retirement
savings and providing other services like Life/Business Insurance.
Foresight Financial is a leading international insurance organization of
commercial and industrial insurance in the US. The purpose of our project
was to build data warehouse for Life Insurance.
Responsibilities:
. Worked as a database developer on databases like MS SQL Server
2008/2005 using T-SQL, stored procedures and views to get data from
Data warehouse to Data marts.
. Created SSIS Packages using Lookup, Merge, Sort, Derived Columns,
Condition Split, Aggregate, Execute SQL Task, and Data Flow Task,
Execute Package Task etc to generate underlying data for the reports
and to export cleaned data from Excel, Text file and MS Access to
different data Marts.
. Performed Incremental load with several Dataflow tasks and Control
Flow Tasks using SSIS.
. Configured Connection Manager Files and CMD files for SSIS packages to
dynamically execute on QA Server and Production server
. Migrated SSIS 2005 packages to SSIS 2008 packages.
. Developed Master Child package using variables and Execute package
task in SSIS.
. Deployed, Tested and Scheduled SSIS packages using SQL Agent.
. Designed and deployed reports with Drill Down, Drill Through and Drop
down menu option and Parameterized and Linked reports.
. Developed, deployed and monitored SSIS Packages including upgrading
DTS to SSIS.
. Used SQL Server Integration Services (SSIS) and its tools to Extract,
Transform and Load data into Data Ware House and for OLTP side.
. Deploying and scheduling Reports using SSRS to generate all daily,
weekly, monthly and quarterly Reports including current status.
. Created report models for ad hoc reports and deployed on report
server.
. Generated test data and tested database to meet the functionalities
deliverables in the project documentation and specifications
. Developed incremental loading using MERGE statement in SQL server
2008.
. Improved Performance by creating Clustered and Non clustered Indexes
and by Optimizing the T-SQL statements using SQL profiler
. Used Execution Plan and Database Engine Tuning Advisor to optimize
queries and enhance the performance of databases
. Successfully tested all task in staging and stored all versions of
data using team foundation server (TFS).
Motorola Inc, Chicago IL
July 07 - Dec 08
SQL Server BI Developer
Motorola, Inc. (NYSE: MOT) has been at the forefront of communication
inventions and innovations for nearly 80 years. Motorola develops a
portfolio of technologies, solutions and services - including wireless
handsets, wireless accessories, digital entertainment devices, wireless
access systems, voice and data communications systems, and enterprise
mobility solutions
Responsibilities:
. Actively participated in interacted with users, team lead, DBAs
and technical manager to fully understand the requirements of the
system.
. Worked on the Reports module of the project as a developer on MS
SQL Server 2005 (using SSRS, T-SQL, scripts, stored procedures and
views).
. Generated Monthly and quarterly Reports as bar charts for the
management using different techniques like data filtering, adding
interactivity, deploying reports to report server using SSRS.
. Created UDM for cubes in SSAS.
. Generated pivot tables using the cube data in SSAS and delivered
reports using SSRS by using the connection string as SSAS.
. Created reports from OLAP, sub reports, bar charts and matrix
reports using SSRS.
. Deployed the reports in to the report server.
. Involved in creating Data mappings in SSIS and created data models
using ERWIN tool.
. Use DTS/SSIS and T-SQL stored procedures to transfer data from OLTP
databases to staging area and finally transfer into data marts and
performed action in XML.
. Involved in building of OLAP cubes with SSAS and in adding
calculations using MDX.
. Preparation of documents and class diagrams using VISIO.
. Developed, deployed and monitored SSIS Packages including upgrading
DTS to SSIS.
. Involved in Creating SSIS Packages for Importing Data from CSV,
Pipe Delimited and Fixed Length Files.
. Creating and running SSIS Packages for Import and Export of
Heterogeneous Data.
. Worked on DTS/SSIS for transferring data from Heterogeneous
Database (Access database and xml format data) to SQL Server.
. Used SQL Server Integration Services (SSIS) and its tools to
Extract, Transform and Load data into Data Ware House and for OLTP
side.
. Responsible for creating log files for SSIS packages.
. Involved in creating SSIS Package configurations for executing in
different environments.
. Enabled Check points in SSIS package.
. Created break points in order to view the status of data, variables
and over all status of SSIS package.
. Wrote custom T-SQL stored procedures and triggers to improve
performance, preserve referential integrity, and provide additional
application functionality.
Environment: SQL Server 2005, SSIS, SSRS, SSAS, XML, Windows 2003/2000
Server, Visual Studio 2005
Vertex Pharmaceuticals Inc, Coralville, MA
May 06-June 07
SQL Server Developer/SSIS/ SSRS
Vertex is a research-based global pharmaceutical company. vertex discovers,
develops, manufactures and markets leading prescription medicines for
humans and animals, as well as many of the world's best-known over the
counter medicines and consumer health products
Responsibilites:
. Developed complex T SQL code for the application.
. Modified the existing database by adding the tables and maintained
relationships between the tables.
. Used complex query statements like sub queries, correlated queries,
derived tables, CASE functions to insert the data depending on the
criteria into the tables of hub.
. Enhanced the business logic using User Defined Functions to
retrieve information on the services like billing, customer, and
requests from the residential, business and large business
databases.
. Created SSIS Dynamic Packages using variables and deployed the SSIS
packages.
. Implemented Incremental loads using different kind of tasks using
SSIS.
. Used Event Handlers for Exception Handling in SSIS packages.
. Generated periodic reports based on the statistical analysis of the
data using SQL Server Reporting Services (SSRS).
. Created, Managed and Support existing reports using SSRS.
. Involved in creating, deploying and configuring reports according
to the requirements using SSRS.
. Developed different types of Tabular Reports, Matrix Reports, Drill-
Down, Cross Tab Reports, Ad hoc reports and distributed reports in
multiple formats using SQL Server Reporting Services (SSRS) in
Business intelligence development studio (BIDS).
. Developed cubes using SSAS involving multidimensional data.
. Supported various sectors like Development, testing, Production,
Maintenance and Application teams.
. Conducted performance tuning by using SQL Profiler, Data Engine
Tuning Advisor and index tuning wizard.
. Executed Test cases manually Using Quality Center.
. Maintained the client relationship by communicating the daily
statuses and weekly statuses of the project.
. Managed requests that came from the development team.
Environment: MS SQL Server 2005, ASP.Net, Management Studio, BIDS, Visual
Studio 2005, MOSS, Integration Services, SSRS, SSAS, T-SQL, DTS, ETL, XML,
SQL Profiler, Windows 2003.
State Bank shares Corp, India.
Jun 04 - Apr 06
Database Developer
State Bank shares Corp. is the holding company for State Bank of India, the
second-largest banking institution in India head quartered in Mumbai. With
$6.36 billion in assets, it has 248 branches in south India, Uttar Pradesh,
and Maharashtra etc.
Responsibilities:
. Implemented a well-planned backup and restore strategy that
protects databases against data loss
. Responsible for design, development and implementation of
mappings/transformations based in source-to-target specifications,
defining ETL(extract transform, load)
. Developed complex SQL queries, stored procedures, and DTS packages
. Involved in complete SDLC, which includes requirement gathering,
analysis, design, development, Implementation.
. Involved in designing and writing Stored Procedures, functions and
packages using T-SQL for SQL Server 2000
. Used DBCC utilities to fix data corruption in application databases
. Development of Business rules implemented as Constraints, Triggers
and or Stored Procedures
. Developed reports using Crystal reports.
Environment:
SQL Server 2000 Enterprise, Windows Enterprise Server 2003, Erwin,
Microsoft Visio, DTS, SQL Profiler, Query Analyzer