The document provides an executive summary and details for Abhishek Jaiswal, including his contact information, over 8 years of experience in business intelligence, data warehousing, and data integration. It lists his technical skills and tools used, as well as details of various projects he has worked on in roles such as technical lead and senior software engineer. Projects include building master customer databases, data migration, and dashboard and reporting solutions.
Abhishek Jaiswal's Resume - 8+ Years Data Warehouse Experience
1. Abhishek Jaiswal Abhishek.jaiswal2225@gmail.com
+91-8310883894/+91-8971948312
EXECUTIVE SUMMARY
More than 8 years of Experience delivering Business Intelligence, Data Integration and Data
Warehouse Solutions.
More than 6 years in Designing and developing Data Architecture and BI Solutions.
More than 6 Years of Experience using Agile Development methodology.
End-to-end data warehousing experience across full SDLC from inception to deployment.
Experience in Implementing Data Governance, Master Data Management (MDM) and Metadata
Management.
Experience in delivering products using Cloud Based Technology Primarily AWS and Snowflake
Experience in working on various use cases in Data Integration and Business Intelligence using
various Commercial and Open Source tools.
Experience in US Retail and e-commerce
Excellent problem solving, time management and Organizational Skills
Managed projects to ensure that deliverables are met within schedule, budget, & quality.
Demonstrated ability to bridge the gap between IT, Business Users & Senior Management.
Ability to develop & maintain effective relationships with stakeholders & business partners.
Ability to effectively lead, build, delivers, and execute complex global BI initiatives.
Excellent Communication and Interpersonal Skills, Self-Motivated and Strong Team Player.
EDUCATIONAL QUALIFICATIONS & CERTIFICATIONS
Bachelor of Engineering (Computer Science), Visvesvaraya Technological University
Oracle Certified SQL/Pl SQL
IBM Certified Solution Developer
PROFESSIONAL ACHIEVEMENTS AND RECOGNITIONS
Awarded Rising Star by Cognizant Technology Solution.
Awarded Wow Member by sears for data analysis.
Awarded Best performer by sears for building master customer database for home services.
PROFESSIONAL EXPERIENCE
Organization Duration Last Designation
Sears Holdings Corporation Oct’16 – Till Date Technical Lead
Global Logic Aug’15 – Sept’16 Senior Software Engineer
Souq.com May’14 – Jun’15 I.T Analyst
Cognizant Technology Solution Apl’11 – Apl’14 BI Analyst
2. TECHNICAL SKILLS
Languages Python ,Unix Shell Scripting, Java script, ANSI SQL, Oracle PL/SQL,SQL Server T-
SQL
Tools and
Methodologies
ETL Tools: SSIS, Pentaho PDI 5.3
Reporting Tools: Tableau, Pentaho Report Designer.
Dashboard Tools: Pentaho CDF, Pentaho CDE, Saiku.
Data Modeling : Physical, Logical and Conceptual Modeling using Erwin/MS
Visio
Other Tools : PL/SQL Developer, Toad, MS Project, SSMS
Databases SQL Server 2014, Teradata, MySQL, Oracle 9i, IBM DB2, Green Plum 4.1.
Operating Systems Windows, Unix
Cloud AWS – S3, RDS, EC2, DMS, Glue, snowflake.
PROFESSIONAL EXPERIENCE
Project : Customer Data Master Oct’16-Onwards
Client : Sears Home Services
Project Description : Sears Home Services provides services and products for home improvements
such as kitchen and bath remodeling, HVAC and more to product repair, parts and replacement and
protection services. The Project was to create Master Customer and Household Data and host it
through a Web Services so that it can be used across the Organization for Marketing,Sales and
Effective Operations.
Role : Technical Lead
Responsabilités :
Data analysis on multiple tables in Teradata for customer information like address, phone
and Email.
Data migration from Teradata to SQL Server using SSIS .
Created functions to clean names, address, phone and Email.
Created Store procedure to associate data for same address, phone and Email.
Created Store procedure to refresh data on daily basis with multiple validations.
Worked on AWS Data migration tool to migrate data from one database to another.
Used tools like Jmeter to perform performance testing on the database.
Written optimized query to improve performance.
Created multiple jobs to refresh data on daily and monthly basis.
Created log table which will give all status information about the each day data load.
Moved files to s3 on real time and from S3 to snowflake.
Sears Holdings Corporation Oct’16 - Onwards
3. Created Normalized tables in snowflake and written store proc in to distribute data in these
tables.
Created Association to merge multiple customers into one based on Name, Address and
Phone.
Environment: Teradata, SQL Server, Python, SSIS, AWS data migration tool, jmeter.
Project : Jio Matrix Aug’15 – Sept’16.
Client : Jio
Project Description: Jio is a leading telecommunication company focused on seamlessly connecting
people with great experience on their jio platform like Jiochat, Jiomoney, Jiomags etc. Jio Matrix
Project is generally used for Analytics and to support all the reporting requirements, Jio Matrix Team
has built an enterprise Data warehouse that provides capabilities to generate subjective as well as
predictive reports and dashboards for business.
Role: Senior Software Engineer
Responsibilities:
Handled end to end process like gathering the requirements from the client, understanding
the requirement, creating a process and document it, talking to business analyst, Creating
reports and dashboards, Handling issues and giving support to users.
Designed front end login page for Jio matrix users
Created security at the landing page for different role.
Created multiple dashboards for Jio matrix team.
Resolved most of the bugs related to Pentaho BI.
Done the migration from Pentaho CDE 5.3 to 6.0 successfully.
Environment: Pentaho, Reporting, Dashboards, Framework, CDE, SQL, JavaScript, HTML, CSS, MySQL,
Business Intelligence, Hadoop hive.
Project : Data Services May’14 – Jun’15
Client: Souq.Com
Project Description: Souq.com is a leading E-commerce company in the Middle East which focused on
providing ultimate user experience on their website to buy online products. Data Services Project is
generally used for Analytics and to support all the reporting requirements like finance, marketing and
customer acquisition. Data Services Team provides insight of all different business unit by building
enterprise Data warehouse and creating reports and dashboards on top of that for them.
Souq.com May’14 – Jun’15
Global Logic Aug’15 – Sept’16
4. Role: I.T Analyst
Responsibilities:
Created Generic Framework using CDE where users has to put the query and report will be
generated automatically.
Migration of Pentaho from 3.8 version to 5.0 version to 5.3.
Created search option in Pentaho 5.0, help page, navigation based on the user access.
Customer relation management tool for end user called Query Builder , using this tool end
user can create a query using multiple selection and filter with different container.
Alert framework tool where user can schedule their reports which will run at schedule time
and send a mail to specified users.
Many optimization has been done to improve Pentaho performance.
Actively participated as an individual team member in this project, involved in Design and
Development of each framework.
Environment: Pentaho CDE 5.0, MYSQL, SQLyog.
Project : One Cognizant Analytical Reporting Platform Apl’11- Apl’14
Client: Cognizant Application Services
Project Description: The project involved design and development of a new data warehouse and
reporting environment to fulfill reporting needs of cognizant application service. This includes building
an Operational Data Store for all operational / Ad-hoc / Real Time Reporting needs of business users
vs. building a Data Warehouse that will store data related to Employees, Trainings, Learnings, Credits
etc. The project involved implementation of data warehouse using phased approach, where current
phase included design and development of each employee subject Area. The data in ODS is pulled in
Real-Time from source database and then populated in Data Warehouse.
Role: BI Analyst
Responsibilities:
Closely Interact with client to understand and document requirements
Design and development of ETL jobs using Data Stage.
Performance tuning of all the jobs created.
Negotiating with client for CR, Deadlines etc.
Root-cause analysis for data mismatch and data discrepancy.
Creating Validation Routines for automated job validation.
Prepare and Maintain documents for auditing purpose.
Creating UNIX shell scripts for file manipulation, log auditing etc.
ETL Performance tuning to increase efficiency by bringing down the execution time from 13
hours to 2 hours.
Data stage job scheduling.
Cognizant technology Solution Apl’11– Apl’14
5. To build close and productive relationship with the stakeholders.
Gathering requirements from client based on the request.
Design and review ETL jobs created.
Review of reports developed on BO.
Writing queries to Test ETL jobs/report data.
Performance tuning of Jobs developed in Pentaho PDI.
Environment: Data Stage, Business Objects, UNIX, IBM DB2, Green Plum, Pentaho PDI.