Jai Rajora
Summary:
> Hands on experience in working of MS BI stack of SQL Server (SSIS,
SSAS, SSRS) versions 2012, 2008 R2 and 2005 (BIDS).
> Expertise in gathering of information pertaining to data requirements
and transformations in order to initialize a solid implementable and
repeatable process.
> Proficient in data Extraction, Transforming and Loading (ETL) using
SQL Server Integration Services (SSIS) tool. Extracting data from one
or many data systems, applying a series of rules or functions on the
extracted data to derive it in the end target and finally loading the
data in the end target or destination.
> Following through the ETL life cycle starting from the process of
initiating the cycle, building reference data, Extracting (from
sources), Validating, Transforming (cleaning, applying business rules,
checking for data integrity, create aggregates or disaggregates),
Stage (load into staging tables, if used), Audit reports, publishing
(to the target tables), and finally to archiving and cleaning up.
> Active role in designing, development and deploying of SSIS Packages
for building high performance data integration solutions.
> Expertise in writing of T-SQL queries (DDL and DML) which is utilized
in construction of tables and normalization techniques on database
tables.
> Expertise in creation of Entity Relationship Diagrams (ERD) using
Microsoft Visual Studio 2010 to the proposed database, explaining and
linking the tables concisely while maintaining referential integrity,
data integrity and column integrity.
> Experienced in creation of databases and database objects such as
tables, views, complex stored procedures, triggers, indexes and
breakpoints.
> Expert in defining of relations of attributes between tables by
identifying and defining primary keys in addition to relational
foreign keys during the creation of tables in order to maintain
thorough uniqueness.
> Experienced in development of content and visually rich reports in SQL
Server Reporting Services (SSRS) like tabular, matrix, list, chart,
gauge, and map.
> Experienced in using creation of advanced analytics dashboards,
datasheets using Tableau desktop. Connecting one or more data sources
to a report as required.
> Designing, creating, and managing multidimensional cubes that contain
data gathered from other data sources (relational databases) and
Online Analytical Processing (OLAP) by using SQL Server Analysis
Services (SSAS).
> Experienced in defining data sources, data source views, dimensions,
attributes, attribute relationships, hierarchies, and cubes in
Analysis Services project within SQL Server Data Tools. In addition to
usage of run time error handling and event handling.
> Experienced in usage of Microsoft BI tools like Power View, Power
Pivot, Power Query, Power Map which are utilized to retrieve, analyze,
and to finally display the data in a well-defined visual form.
> Excellent analytical, professional written and verbal communication
skills and interpersonal skills.
> Ability to work independently or as part of a team to fulfill critical
business objectives.
Education: Bachelor of Science (B.Sc.)
Skill Set:
MS SQL Server 20012, 2008 R2 SQL Server Integration Services (SSIS), SQL
Server Analysis Services (SSAS), SQL Server Reporting Services (SSRS),
AS/400 - formally renamed the IBM iSeries, MS Visual Studio 2010, Tableau
Desktop 8.0, 8.1, and 8.3. Tableau Server, Tableau Reader, Tableau Public.
Projects Summary:
Sapient Global Markets-Houston, Texas 07/2014-
Present
ETL Developer and Reporter
Sapient Global Markets is a marketing and consulting company that provides
business, marketing, and technology services to clients. It is considered
as the leading provider in the world to offer integrated advisory, program
management, analytics, technology and operations services exclusively to
capital and commodity market participants and regulators.
Responsibilities:
> Extensively worked with SSIS tool suite, designing and creating
mappings using various SSIS transformations like OLEDB command,
conditional split, lookup, aggregator, and multicast and derived
column.
> Expertise in using various kinds of joins (Inner Join, Outer Join,
Left Outer Join etc.) and sub-queries to simplify complex queries
involving multiple tables.
> Created Database Objects - Schemas, Tables, Indexes, Views, User
defined functions, Cursors, Triggers, Stored Procedure, Constraints
and Roles.
> Extracted data from various sources like SQL Server 2008/2012, .CSV,
Excel and Text file sources, alongside from various other servers,
creating a centralized data warehouse structure in their headquarters.
> Involved in Creation, Development and Deployment of SSIS packages in
SQL Server 2012 and SQL Server 2008 R2.
> Created logging for ETL process at package level and task level to log
the number of records processed by each package and each task in a
package using SSIS
> Performed and fine-tuned stored procedures and SQL queries and User
Defined Functions (UDF).
> Wrote SQL queries using Joins and Sub queries and Functions to
retrieve data from data sources.
> Familiar with OLAP cubes and fact table, star and snowflake schemas,
building multi-dimensional cubes and KPIs for decision makers using
SQL Server Analysis services (SSAS).
> Developed different types of Tabular, Matrix (Cross Tab or Pivot)
Reports, Chart and Graphs, reports that aggregate data, reports that
contain parameters and group, reports containing totals and subtotals,
drill-down reports and ad-hoc reports using SQL Server Reporting
Services (SSRS) and Tableau in certain instances.
Environment: MS SQL Server 2012, 2008 R2, SQL Server Integration Services
(SSIS), SQL Server Reporting Services (SSRS), SQL Server Analysis Services
(SSAS), Microsoft Visual Studio 2010, Tableau Desktop 8.3, Tableau Public.
Deloitte- Philadelphia, Pennsylvania
03/2013- 07/2014
BI Developer
Deloitte is the brand under which tens of thousands of dedicated
professionals in independent firms throughout the world collaborate to
provide audit, consulting, financial advisory, risk management, tax and
related services to select clients. In Deloitte I was involved in their
risk management team handling a set of Fortune 500 companies which thereby
involved integrating their data in Deloitte's local data warehouse,
creating a structured database and analyzing data further and creating
reports on findings in order to reduce their risk in the markets they were
involved in.
Responsibilities:
> Designed and developed SSIS packages to import data from various
sources such as Excel, Flat Files, ODBC and OLE DB sources.
> Developed ETL specifications, source to target mappings and other
documentations that were developed for the ETL development.
> Implemented various transformations using Audit, Fuzzy Look-up, Multi-
Cast, Column Conversion and Term Look-up etc. to enhance the whole ETL
process.
> Usage of event handlers, error handling, coding, troubleshooting and
performance tuning SSIS packages that were developed.
> Involved in development and design of OLAP cubes, fact tables,
dimensional tables and KPI efficiently using SQL Server Analysis
Services (SSAS).
> Worked in developing of complex Stored Procedures, Functions, User
Defined Functions, Triggers, Views and TSQL statements.
> Experience in designing Logical and Physical Modeling using ERWIN and
ER Studio.
> Developed complex reports such as Tabular, Matrix, Sub Reports,
Charts, Drill Down reports etc. to depict the necessary analysis
required, with various functions such as parameters, filters, row
count, document mapping etc. using SQL Server Reporting Services
(SSRS).
> Developed visually rich reports using Tableau 8.1 focussing on market
trends, customer sales and forecasting alongside showing
country/state/region wise sale analysis and growth analysis and
finally comprising them in a dashboard.
Environment: MS SQL Server 2012, SQL Server Integration Services (SSIS),
SQL Server Reporting Services (SSRS), Tableau 8.3, Tableau Reader, Tableau
Server.
Wells Fargo, Washington, DC
02/2012- 03/2013
Role: ETL Developer and Reporter
Responsibilities
> Deep involvement in usage of T-SQL Statements (DDL and DML) for
altering tables, inserting new columns, creating temporary tables,
joins and writing stored procedures in SSIS packages for improving
overall performance.
> Created Logging, Break Points, Check Points, and used Error Handler in
SSIS and automating the ETL process.
> Created cubes for Dimension and fact tables for future and current
reporting using SQL server Analysis Services (SSAS).
> Built MDX queries for Analysis Services & Reporting Services.
> Worked as a developer in creating complex Stored Procedures,
Functions, Triggers, Views and complex SQL statements for applications
> Developed Custom Functions, Manual Running Totals and Complex Formulas
for reports and further used calculations, sorts, filters and sections
to enhance data presentation in reports.
> Used Tableau Desktop for visual analytics, creation of KPI's for top
management and preparing dashboards using calculations and parameters
in Tableau.
> Created datasheets, dashboards and stories for all the functional
areas including Finance, Change Management, Order Management,
Pricing, Purchasing, HR, Demand Planning and Sales/Marketing
Environment: MS SQL Server 2012, SQL Server Integration Services (SSIS),
SQL Server Reporting Services (SSRS, Tableau 8.1 and 8.3, Tableau Public,
Tableau Server.
KPMG- New Jersey 08/2010-
02/2012 ETL Developer and Reporter
KPMG is one of the leading companies amongst the Big Fours (Deloitte, PWC
and Ernst and Young being the other three). Its operations are divided into
three major areas of Audit, Tax and Advisory. I worked in the Risk and
Compliance team, under the main head of Advisory. My project in KPMG was
mainly focused upon data integration and report generation for use within
the organization and for their various clients.
Responsibilities:
> Was part of a team working on their ETL and complex reporting needs to
support their client requirements and catering to the forensic
services.
> Assisted seniors and managers in the analysis of the collected data
and interpreting them in conformity to client specifications in order
to derive correct and best possible outcomes.
> Direct involvement in requirements gathering, analysis, design,
development, change management, deployment and final stage of
reporting to the required clients.
> Developed SSIS packages, bringing data from various sources such as
Excel, SQL server, flat files, for the daily load in order to generate
and maintain a centralized data warehouse.
> Used various data transformations like conditional splitting, fuzzy
lookup, multi cast, column conversion, fuzzy grouping etc. to meet
specified needs and requirements.
> Extensively used joins and sub-queries to simplify complex queries
involving multiple tables and to merge data of multiple tables to
create a concise form of database.
> Analyzed the specific needs and requirements as provided by the
clients and gathered the necessary requirements for design and
development completion.
> Used Data Definition Language (DDL) and Data Manipulation Language
(DML) for writing triggers, break points and check points.
> Error/event handling and performance tuning of SSIS packages for a
more optimized running environment.
> Making of breakpoints to review the status of the data and to
configure and fix the error upon notification.
> Created matrix, chart and tabular forms of reports using SQL Server
Reporting Services 2012/2008R2.
> Designed and deployed reports with drill down, drill through and drop
down menu options and parameterized and linked reports.
> Used Tableau for certain clients to make comprehensive dashboards
consisting of multiple sheets of comparison and detail.
> Scheduled and deployed reports using SSRS to generate weekly, monthly
and quarterly reports including current status if required by the
client or the management meeting strict deadlines.
Environment: MS SQL Server 2012, 2008 R2, SQL Server Integration Services
(SSIS), SQL Server Reporting Services (SSRS), Microsoft Visual Studio 2010,
Tableau, K-Check (KPMG's screening tool to identify key risks and
improvement areas).
VERTEX India PVT. LTD- Gurgaon-India
04/2009- 08/2010
Business Intelligence Unit Reporter
Vertex is one of the leading company in the BPO, Customer Management
Outsourcing and IT Services industry. Serving over 200 clients worldwide
across many sectors, providing a broad range of outsourced solutions in the
UK, USA, Canada and India that help deliver exceptional customer
experience.
Responsibilities:
> Worked closely with my manager in analysis of business markets, new
sectors, and existing clients to create a concise database for upper
management to overlook.
> Generated matrix, tabular, and chart reports consisting of current
market trends and analysis in UK wherein the company could venture and
expand its services to.
> Involved in gathering, extracting and loading data on local database
warehouse and ensuring creation of a solid structure in order to have
a smooth transition till the last stage of the process.
> Used SQL Server Integration Services (SSIS) to load data largely
predominantly from excel files to local database and added
transformations over it to meet the requirements.
> Incorporated various functions and specifications on reports such as
adding parameters, filters on reports.
Environment: MS SQL Server, 2008 R2, SQL Server Integration Services
(SSIS), SQL Server Reporting Services (SSRS), Microsoft Visual Studio 2008.