Image of Dhawal Chohan

Dhawal Chohan

Web Developer

Engineering Manager, Big Data, Data Platforms

San Carlos, California

Section title

Dhawal Chohan's Email Addresses & Phone Numbers

Dhawal Chohan's Work Experience

UMass Dartmouth

Web Developer

September 2007 to May 2008

Yahoo!

Intern

June 2007 to August 2007

Umass Dartmouth

Research Assitant

November 2006 to May 2007

Dhawal Chohan's Education

Datta Meghe College of Engineering

Bachelor of Science, Computers, First Class

2001 to 2005

SES high school

High School, Computer Science

University of Massachusetts Dartmouth

Masters, Computer Science

2006 to 2007

Dhawal Chohan's Professional Skills Radar Chart

Based on our findings, Dhawal Chohan is ...

Visionary
Self-reliant
Thoughtful

What's on Dhawal Chohan's mind?

Based on our findings, Dhawal Chohan is ...

56% Left Brained
44% Right Brained

Dhawal Chohan's Estimated Salary Range

About Dhawal Chohan's Current Company

UMass Dartmouth

Development of a web based monitoring tool for the web sites held by third parties. Design of the back end, Design of the front end, Designing major components. Managing huge amount of data. Developed in MYSQL and PHP.

Frequently Asked Questions about Dhawal Chohan

What company does Dhawal Chohan work for?

Dhawal Chohan works for UMass Dartmouth


What is Dhawal Chohan's role at UMass Dartmouth?

Dhawal Chohan is Web Developer


What is Dhawal Chohan's personal email address?

Dhawal Chohan's personal email addresses are d****[email protected], and s****[email protected]


What is Dhawal Chohan's business email address?

Dhawal Chohan's business email addresses are not available


What is Dhawal Chohan's Phone Number?

Dhawal Chohan's phone (213) ***-*107


What industry does Dhawal Chohan work in?

Dhawal Chohan works in the Computer Software industry.


About Dhawal Chohan

📖 Summary

Web Developer @ UMass Dartmouth Development of a web based monitoring tool for the web sites held by third parties. Design of the back end, Design of the front end, Designing major components. Managing huge amount of data. Developed in MYSQL and PHP. From September 2007 to May 2008 (9 months) Intern @ Yahoo! Development of a web based system, Management of large volumes of data over distributed system, Design of a web based error reporting and monitoring tool. Development in C++, Perl, Catalyst Framework, Template Toolkit, etc. on Unix Platform From June 2007 to August 2007 (3 months) Research Assitant @ Umass Dartmouth Research in the field of Transportation. Designed the Transportation system. Setting up servers for calculation of different parameters in Transportation. Developed a system in C++ and Perl to calculate various parameters. Backend in Oracle 9i. From November 2006 to May 2007 (7 months) Senior Datawarehouse Operations Engineer @ LinkedIn Primarily responsible to manage the data warehouse which includes the overall health, performance and capacity of our back-end Hadoop/Oracle/Teradata based data warehouse environment.Manage Data flows into and outside Hadoop. Managing around 6-7 PBs of data to be used by other teams in Linkedin. Migration of application from Hadoop 1.x to Hadoop 2.x. Migrated the entire DWH pipeline to start using Hadoop 2.x without downtime of any application.Teams responsibility to deliver analytics reports to the Office of the CEO everyday on time for the past 2 years. Partner with data-engineering, program management, site reliability operations, and other related groups for Capacity management, Data-delivery and availability. Managed a newer site/colo migration of the entire analytics application. Did capacity planning for the Teradata appliance, machines, and hadoop migration of process to a different grid cluster.Responsible to reduce the deployment times by setting up an automated process of deploying code with versioning, roll forward, roll back, etc. Initially used Jenkins and Hudson and then moved to use SALT. Implemented push button based deployments.Setup the entire monitoring application for the system, which include Nagios and custom automation scripts and dashboards, in MySQL, PHP, Perl, AWK, sed, shell, etc. Responsible to setup a process around how the deployment should propagate from Dev to production. Responsible for the Change management process Created custom dashboards to make life easy of an Operations Engineer, to get insights of the system with a couple of clicks. Part of On call rotation, for 12x7x365 days From May 2012 to July 2015 (3 years 3 months) Technical Yahoo @ Yahoo! • Managed availability, scalability, performance of hundreds of production processes which generated revenues.Responsible for delivering data and reports for quarterly financial analysis. (Reports provided analytics for the different customers.)• Managed SLA (service level agreement) for hundreds of Yahoo data pipelines, so that data is delivered as per agreed time to the customer. Efficiency achieved: 97% times the data was delivered on time.• Responsible for process migration from legacy process to cloud computing architecture (Hadoop infrastructure). Improved process timings by 66%, delivering data to the customer sooner.• Responsible for reducing the deployment time of a new release by 30% by creating a tool that not only documented each and every step, but also simplified the process for release, patches and mini-builds.• Performed performance testing on a huge cluster for various parameters such as RAM, memory usage and number of CPUs to be used to gain an improvement of 20% in the process.• Developed a web-based application with MySQL and PHP for displaying reports like health of the cluster, errors in the past 24 hours, etc. as well as setup monitoring to monitor the cluster better.• Created Automated tools in Perl and PHP.• Worked with development team to help them create highly reliable data applications.• Managed System administration for more than thousands of machines, which spanned across 4 products for Yahoo. • Responsible for capacity planning, business continuity planning, Service Metric Reporting and Postmortem analysis to partner with development, operations and business counterparts to guide the service architecture and influence projects and priorities to ensure success.• Shared oncall support at all tiers and responsible for making the process 24 hours a day, 7 days a week. From September 2008 to May 2012 (3 years 9 months) Engineering Manager, Data Platform and Operations @ Adobe San Francisco Bay AreaEngineering Manager, Data Platform and Operations @ Machine Zone, Inc. From July 2015 to September 2018 (3 years 3 months) San Francisco Bay Area


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Dhawal Chohan's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

1 year(s), 11 month(s)

Dhawal Chohan's Willingness to Change Jobs

Unlikely

Likely

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