Leonid Mazur

*** ******* *** # *** *****: 650-***-****

Mountain View, CA 94040 cell: 650-***-****

email: ac0owk@r.postjobfree.com

` linkedin: www.linkedin.com/in/lemazur

Summary

• 15+ years of diverse industry experience including software development and software testing - enterprise management systems, BI, OLAP, data warehousing and data mining systems, digital maps and route calculation systems, target and behavioral marketing systems, financial and online payment systems, ERP systems, eCommerce and comparison shopping systems, simulation systems, training systems etc.

• Strong knowledge of white box testing including API testing, debugging, developing test harnesses, automated test scripts and suites in C/C++/Perl/Ruby/Groovy/Shell scripts

• Proficient in grey and black box testing and utilization of test automation tools, planning for software testing, write test plans, test cases, test specifications, check lists, etc.

• Experienced in load/performance/stress testing and time performance monitoring

• Mastered in identifying software anomalies and making them reproducible

• Lead software programming and QA teams

Specialties

• OS: UNIX (Linux, BSD, Solaris), Mac OS, Android, IOS

• Programming: C/C++, Perl, Ruby, Groovy, Java, Shell Script, SQL, HTML, XML, JSON, CGI, R, googleVis

• Testing: black box, grey box, white box, manual, automated, GUI, functional, regression, API, system, end-to-end, load/stress/performance, Web services (RESTful, SOAP), front-end, middle-tier, back-end, mobile, DB verification, ETL testing

• Test Automation: Selenium, Cucumber, WinRunner, QTP, Watir, HttpWatch, JMeter, Toad, WebTester, HttpWatch, Postman, Soap UI

• DBs: Oracle, Sybase, MySQL, Postgres, Redis, Informix

• Version Control: ClearCase, Subversion, CVS, Git

• Bug tracking: Bugzilla, Jira, ClearQuest

• IDE systems: Aptana Studio, Eclipse

• Continuous integration: Hudson

• Development methodology: Agile / Scrum

Experience

Senior Test Automation Engineer

Ondot Systems

(San Jose, CA)

July 2016 – March 2017

• Framework development for RESTful API web services test automation

• Functional and performance testing of RESTful APIs for the financial transactions

Tools used – SOAP UI, Groovy, Oracle

SDET

Yuzu

(Mountain View, CA)

February 2014 – February 2016

• Functional and load/performance/stress/recover testing of WEB services (RESTful)

• Performance and functional monitoring WEB services on production servers with the real time visualization

• ETL testing and DB verification

As a result the whole level of QA automation on backend in the company had been increased from 0% in to 80-85% and regression test time reduced from about week to one day. Also the management got the tools to manage production sites in real time.

Tools used - Ruby, Rested, Postman, Faraday, JMeter, PostgresDB, Selenium, R, googleVis

Senior QA Engineer II, Team Lead

Become, Inc (Sunnyvale, CA).

April 2008 – September 2013

Become is eCommerce (comparison shopping) company.

I was a sole developer of frameworks for automated testing (white, black and grey box) and monitoring (from scratch) for:

• Regression testing of front-end and back-end builds for web and mobile version of products – Selenium (RC, webdriver), Ruby, Cucumber, Perl, SQL

• Regression testing of mobile version of products (iOS and Android) by simulation on web

• Builds load / stress/ performance testing - Ruby + HttpWatch, Perl, JMeter

• ETL testing, DB and merchant’ feed data verification by crawling process (prices, landing pages, stock statuses, duplicates etc) – Selenium (RC, webdriver), SQL, Perl

• Production sites monitoring (functional and performance) on client side and server side with alerts with real time visualization – Ruby, Selenium (RC, webdriver), HttpWatch, R, Rpad

• Comparative monitoring vs. competitors graphical representation in real time with graphical representation – Ruby, HttpWatch, R, Rpad

• Keywords verification in SEM - MySQL, SQL, Perl

As a result the whole level of QA automation in company had been increased from 0% in 2008 to 85-90% by the Sep 2013 and regression test time reduced from 3-4 days to less than one day. Also the management got the tools to manage production sites in real time.

http://www.linkedin.com/profile/view?id=5576760&trk=tab_pro

Senior Automation QA Engineer (contract)

Yahoo (Sunnyvale, CA)

July 2007 – April 2008

• ETL and API back-end and front-end testing some Yahoo web services (Maps, Local, Yellow pages, Direct Marketing BI based on Microstrategy) - black and grey box

• Development of the tools and test scripts for automated Web services testing (grey box) – WebTester, Java, Ruby, Watir, Oracle, SQL

• Implementation stochastic (random) and systematic approach to testing digital maps and route calculations

http://www.linkedin.com/profile/view?id=5576760&trk=tab_pro

Test Automation Engineer (contract)

Talent6 – Casting360 (South San Francisco, CA)

January 2007 – June 2007

• Automated frontend regression testing of casting web site (WinRunner and QTP)

• Was responsible for job coordination with offshore development team

http://www.linkedin.com/profile/view?id=5576760&trk=tab_pro

SQA Engineer (contract)

PayPal (San Jose, CA)

April 2006 – December 2006

• Developed the framework for automated white and grey-box testing of the online payment system (C/C++)

• Implemented (Java) tools to analyze and compare test results in smoke and regression testing

Education

MS, PhD, Applied Mathematics

Moscow State University, St. Petersburg Space Academy, Russia

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