Mario Castillon
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Mario Castillon Email & Phone Number

Senior Professional Quality at Gainwell Technologies
Location: El Paso, Texas, United States 6 work roles 3 schools
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Current company
Gainwell Technologies
Role
Senior Professional Quality
Location
El Paso, Texas, United States
Company size
10057 employees

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Mario Castillon is listed as Senior Professional Quality at Gainwell Technologies, a company with 10057 employees, based in El Paso, Texas, United States. AeroLeads shows a matched LinkedIn profile for Mario Castillon.

Mario Castillon previously worked as Senior Software Test Engineer at Gainwell Technologies and Test Software Engineer at Dxc Technology. Mario Castillon holds Diploma Of Education, Automation Architecture from Dallas College.

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Email format at Gainwell Technologies

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Gainwell Technologies

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Profile bio

About Mario Castillon

I have a proven track record in QA Testing to deliver high-quality, scalable solutions for large-scale projects. By leveraging tools like Selenium, Java, Postman, JMeter and Manual Testing. Additionally, I bring strong skills in API testing, CI/CD management, and version control using platforms like Jenkins, Git, and Maven.Passionate about solving complex problems, I’m committed to continuous improvement and driving innovation in every project.Tools/Skills: Selenium WebDriver, Postman, JMeter, Jenkins, Maven, TestNG, HP ALM Quality Center, Jira Zephyr, Java, HTML, JavaScript, SQL, XML, JSON, Git, SVNTesting: Functional, Regression, Smoke, White Box, Black Box, UAT, System Testing

Current workplace

Mario Castillon's current company

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Gainwell Technologies
Gainwell Technologies
Senior Professional Quality
El Paso, TX, US
Website
gainwelltechnologies.com
Employees
10057
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6 roles

Mario Castillon work experience

A career timeline built from the work history available for this profile.

Senior Software Test Engineer

Current
Gainwell Technologies

United States

  • Senior Software Testing Analyst
  • Led test efforts across all SDLC phases, including requirement analysis, test planning, execution, and defect documentation.
  • Increased claim submission efficiency by 70% by developing automation scripts using Selenium WebDriver and Java.
  • Designed and implemented test automation frameworks, improving overall process efficiency and reducing manual testing by 60%.
  • Enhanced API and load testing capabilities using Postman and JMeter, optimizing… Show more Senior Software Testing Analyst
  • Enhanced API and load testing capabilities using Postman and JMeter, optimizing performance testing for complex applications.
Oct 2015 - Present

Test Software Engineer

Current
Dxc Technology
  • Managed CI/CD pipelines using Jenkins, ClearCase, and SVN to ensure smooth software deployments.
  • Administered version control, branch merging, and baseline changes, reducing deployment issues by 20%.
  • Supported integration of off-cycle changes into production branches, minimizing downtime.
Feb 2015 - Present

Configuration Management Admin

Hp Enterprise Services

El Paso, Texas Area

Software configuration management, for fannie mae account, support in Clearcase/Clearquest, SVN, Unix, baseline and code migration, build/deploy management.

Jun 2012 - Feb 2016

Test Engineer

Foxconn
  • IT Software Test Engineer.
  • Developed and tested web applications supporting Custom Factory Integration (CFI) configurations and dynamic SOP systems for assembly instructions.
  • Created a Purchase Order Verification System using C#, ASP.NET, and SQL to detect invalid orders, reducing invalid orders and production delays by 40%.
  • Automated translation of manufacturing instructions from English to Spanish using SQL, Java, and Excel, increasing process efficiency.
Feb 2009 - Feb 2012

Software Information Developer

Eds Technologies

Batch cycle monitoring for GMAC MIC project 24x7 support.Technologies used: JCL, COBOL, Mainframe, CA-7.Application Development for Wholesale Accounting system in legacy Technologies. Subject matter expert of Wholesale Accounting system in which I served as responsible for its enhancements maintenance and supervision, achieving in a year a 75% reduction on.

Feb 2004 - Feb 2009
Team & coworkers

Colleagues at Gainwell Technologies

Other employees you can reach at gainwelltechnologies.com. View company contacts for 10057 employees →

MH Monique Hunter Monique Hunter Colleague at Gainwell TechnologiesWestbrook, Connecticut, United States, United States View → KL Kenneth Leary Kenneth Leary Colleague at Gainwell TechnologiesMarstons Mills, Massachusetts, United States, United States View → JB Jay Bennett Jay Bennett Colleague at Gainwell TechnologiesDallas, Texas, United States, United States View → BK Beth Kaul Beth Kaul Colleague at Gainwell TechnologiesLongmont, Colorado, United States, United States View → GB Ganesh B. Ganesh B. Colleague at Gainwell TechnologiesIrving, Texas, United States, United States View → PS Parameswari Srinivasan Parameswari Srinivasan Colleague at Gainwell TechnologiesChennai, Tamil Nadu, India, India View → NF Nina Fellows Nina Fellows Colleague at Gainwell TechnologiesGreater Tampa Bay Area, United States View → SG Shannon Glasscock, Mba, Pmp Shannon Glasscock, Mba, Pmp Colleague at Gainwell TechnologiesSalem, Oregon, United States, United States View → MI Markisha Iverson Markisha Iverson Colleague at Gainwell TechnologiesCanton, Texas, United States, United States View → JH Jon Hudson Jon Hudson Colleague at Gainwell TechnologiesDane County, Wisconsin, United States, United States View →
3 education records

Mario Castillon education

Diploma Of Education, Automation Architecture

Dallas College

Automation Architecture course

Software Engineer, Computer Software Engineering, Bachelor Degree

Uacj

Software Engineer

Bashelor Degree In Computer Science, Computer Software Engineering

Uacj
FAQ

Frequently asked questions about Mario Castillon

Quick answers generated from the profile data available on this page.

What company does Mario Castillon work for?

Mario Castillon works for Gainwell Technologies.

What is Mario Castillon's role at Gainwell Technologies?

Mario Castillon is listed as Senior Professional Quality at Gainwell Technologies.

Where is Mario Castillon based?

Mario Castillon is based in El Paso, Texas, United States while working with Gainwell Technologies.

What companies has Mario Castillon worked for?

Mario Castillon has worked for Gainwell Technologies, Dxc Technology, Hp Enterprise Services, Foxconn, and Eds Technologies.

Who are Mario Castillon's colleagues at Gainwell Technologies?

Mario Castillon's colleagues at Gainwell Technologies include Monique Hunter, Kenneth Leary, Jay Bennett, Beth Kaul, and Ganesh B..

How can I contact Mario Castillon?

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What schools did Mario Castillon attend?

Mario Castillon holds Diploma Of Education, Automation Architecture from Dallas College.

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