Sandeep Reddy Komirelly Email: Sandeep.vr220@gmail.comPhone: 203-993-9651

SQL Developer /TableauSUMMARY:Over 2 year of Professional experience in Information Technology with expertise in full SDLC including Architecture, Technical Design, Development and Implementation of web based applications using Agile Methodology on a broad range of application development environments and factoring business domain using technologies with Oracle 11g Exadata/10g, SQL, PL/SQL, ETL (Extract Transform and Load), Shell Script, Data modeling on Windows XP, 8 and Unix/Linux platforms.

Good knowledge of Normalization/De-normalization, data design methodology and building Referential Integrity.

Expert knowledge of all phase of Software Development Life Cycle (SDLC) involving Systems Analysis, Design, Development and Implementation.

Experienced in TSQL (DDL, DML), documenting, coding, programming, modifying and Implementing Business Intelligence solutions using SQL Server.

Expert in ETL-Extraction Transformation Loading, Data warehousing, Operations Data Store concepts, data marts and OLAP-Online Analytical Processing technologies.

Expert knowledge of Data Warehousing methodologies and concepts, including star schemas, snowflakes, ETL processes, dimensional modeling and reporting tools.

Experienced in SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), Data Transform Services (DTS).

Experienced in designing high level ETL architecture, creating, configuring and fine tuning ETL workflows designed in DTS for overall data transfer from the OLTP to OLAP with the help of SSIS.

Experience in Importing/Exporting Data from various Heterogeneous source like MS Access, Excel, Oracle, DB2, and Flat file using SSIS.

Creation and maintenance of Databases, creating Roles and managing user permissions, resolving deadlocks.

Experienced in transforming complex business logic into Database design and maintaining it by using SQL tools such as Stored Procedures, User Defined Functions, Views, and Transformation services.

Experienced in Data Extraction, Transforming and Loading (ETL) between Homogenous and Heterogeneous System using SQL tools like SSRS, SSIS, Data Transformation Services (DTS), Bulk Insert, BCP, and XML.

Experienced in writing Parameterized Queries for generating Tabular reports, formatting report layout, Sub reports using Global Variables, Expressions, Functions, Sorting the data, Defining Data Source and subtotals for the reports using SSRS.

Expert in developing Drill through/Drill down reports, Cross-Tab, cascading parameterized reports using MS SQL Server Reporting Services (SSRS) and deploying onto Dashboards, SharePoint server, web applications and web servers.

Expert in using Bulk Copy Program (BCP), Data Transformation Services (DTS) packages and SSIS (integration services) with MS SQL Server.

Efficient in up gradation and migration from MS SQL Server 2000 to MS SQL Server. Hands on experience in production/staging/test/development database administrative, Installation,

Configuration, Maintenance, Monitoring, Backup and Disaster Recovery procedure and Replication. Expertise in Tableau 10.0/9.3/9.2/9.1/8.0, Tableau Server, Tableau cloud, Tableau Online, Tableau Mobile,

Tableau Public, Tableau Reader Worked on several interactive dashboards with Filtering, highlighting, ability to combine multiple data sources,

fast creation by a business user, easy sharing with support for existing security using several visual analysis best practices

TECHNICAL SKILLS:

IDEs Tools MS Office Package, Visual Studio, Eclipse IDE, SQL Server

Management Studio, MySQL Workbench, IBM RAD, SVN, JUNIT, ANT.

Big Data Tools Hadoop, Hive, Pig, Spark and HBase.

Database MySQL, MongoDB, Cassandra, SQL Server, Oracle, SQL*Loader, Putty, TOAD, SQL*Plus.

Operating Systems Windows XP/2003/2000, Windows 2K/2003 Server, LINUX/UNIX.

Programming Languages

C, C++, C#, JAVA, .NET, XML, Python.

Web Technologies HTML, XHTML, CSS, XML, Java Scripts, Angular JS, Shell, Web Services, SOAP, UI, WSDL.

Reporting Tools Tableau, Qlikview, SSRS.

PROFESSIONAL EXPERIENCE:

Gabor Solutions April 2015 – PresentSQL Developer /Tableau

Responsibilities: Developed and executed SSIS packages to populate data from the various clients like PHP,

Molina, Amerigroup created packages for different data loading operations for many Customer Relationship Management (CRM) applications. 

Created complex Stored Procedures, Functions, SSIS packages, tables, and views and other SQL joins and statements for optimizing. 

Created and supported different types of packages using variables, master child packages and Execute Package Task in SSIS, executing with bat files and moving along with different servers like QA Testing, Development servers and productions servers. 

Discussed with the clients for the new requirement for the ganges5.0 version in order to make the ETL process optimization.

Worked directly with the client to resolve the issues regarding the asp.net and SQL server with ETL transformation and the decision for the packages changes will be discussed with the management and start working on the ETL packages.

Design and develop SSIS packages, store procedures, configuration files, tables, views, and functions, implement best practices to maintain optimal performance for our own CRM application.

Extensively used SSIS Import/Export Wizard for performing the ETL operations and various containers to do the loop generating.

Involved with the testing teams for the unit testing and integration testing, for the process to release the new versions to the client. 

Built advanced reports using query parameters, report parameters, filters, interactive sorts to compare the rates among the four major regions, to generate the alerts history in active reports. 

Developed Templates for the reports for the managerial cadet so that they need to drag and drop the fields which they need exclusively for Non-technical person in SQL Server Reporting Services (SSRS).

Setup and configuration of Tableau server 9.1 in various environments and used Tableau CMD and Tableau admin tools to configure the server according to best practices.

Worked on several interactive dashboards with Filtering, highlighting, ability to combine multiple data sources, fast creation by a business user, easy sharing with support for existing security using several visual analysis best practices

Environment: SQL Server Integration Services (SSIS) 2005/2008, SQL Server Reporting Services (SSRS), MS Excel, Team Foundation Server, VSS 2005, Team Explorer, ASP.net.  

Academics:

Master of Science in Computer Information Sciences GPA (3.67/4)Bachelor’s Degree in Mechanical Engineering JNTU Hyderabad, INDIA - GPA (3.3/5) Academic Projects:

Travel Destination Search Jan 2016 – Mar 2016

Design a travel destination suggestion search engine using Apache SOLR and Java and Wiki Voyage for data.

Suggests travel destination based on user’s preferences. Used Open NLP, DFS, Faceted Search.

Technologies: Java, SOLR, HTML, JavaScript, jQuery.

Monocular Vision based LSD Slam on a Quadrotor Drone Sep 2015 – Dec 2015

Implemented Vision based localization and mapping using a Quadrotor drone in a GPS-denied environment, using a single monocular camera to perform Large-Scale Direct Simultaneous Localization and Mapping (LSD SLAM) using Robot Operating System (ROS).

Technologies: Python, ROS.