Justin Martinez Email & Phone Number

Denver, Colorado, United States

Introduced new ways of working including automated processes to projects that currently had none. Resulting in a better understanding of the code base and its dependencies. Created integration test framework based on cypress.io that allowed developers the ability to test inner workings before final validation. Integrated quality metrics and alerts into the analytics system (allowing key performance indicators to be tracked and graphed. Allowed stack to perform simulcast streaming for users resulting in a better experience for all participants in video call. Conducted major migration of proxy server from local lab to AWS. Mentored new engineers on working with automated processes.

Denver, Colorado, United States

Designed and implemented JavaScript library that embeds WebRTC video in various video conference clients. Built load generator framework using Node.js, Docker and AWS to prove limits of video platform using Selenium Grid. Implemented XMPP stream management solution resulting in a more resilient client experience for users with bad connections.Created CI/CD pipelines that quickly validates changes, new features and delivers to customers daily. Instrumented integration tests for VOIP service for large webinar solutions using CoffeeScript, FreeSwitch and Docker. Fostered a quality first team mindset by mentoring and leading by example. Performed and organized Jitsi video bridge upgrades, regression and stress testing in addition to releases procedures. Implemented strategies that increased performance and reliability of legacy Java based Webinar systems. Performed bug triage with engineering and product stakeholders. Help determine engineering directives for video platforms.

Greater Denver Area

• Implemented continuous integration patterns to increase team efficiency and quality.• Implemented strategies to increase performance and reliability of legacy system.• Introduced dynamic infrastructure allocation for a new video solution.• Spearheaded a quality first approach on associated projects.• Mentor.

• Created and maintained continuous integration system • Automated test scenarios using Cucumber, Rspec and Selenium• Identified issues with current testing practices and help put new procedures to improve the quality of tests• Created and maintained testbeds for manual testing of cloud technology• Mentored fellow QA engineers both technical and nontechnical• Prepared test plan for manual testers

• Responsible for planning, creating and developing test plan and test cases for embedded software system• Provide support for project managers and developers• Identify and troubleshoot major hardware and software• Responsible for configuring and building lab environment for proper testing• Spearheading python automation of testing environment and processes• Document and track software defects

• Technical lead for major test application that resulted in multi-million return for the company• Responsible for software deliveries, time estimates, requirements analysis, mentoring and support• Interfaced regularly with customer to deliver the best possible software solution and identify possible future business direction• Designed and Implemented major features and worked in Agile based engineering team• Designed, developed and maintained software that simulate handset functionality that was used to conduct functionality testing • Created load testing software tool used heavily by a major telephony carrier testing labs• Performed load and stress testing of large networks• Prepared customer acceptance testing for multiple software deliveries• Provided support for customers, project managers and third-party engineers• Lead software design and code reviews• Wrote detailed software documentation for customers

• Collaborated team of three engineers to design, implement and deliver aggregate SIP call data records that allowed system administrators to troubleshoot network inefficiencies• Created automated reports, which compared performance of new application with legacy systems• Modified and streamlined existing billing software, resulting in increased performance• Responsible for identifying and troubleshooting software issues• Conducted unit testing• Collaborated with quality assurance team on testing strategies

• Designed, implemented and executed automated customized newsletters for large new agency• Created automated validation scripts used to perform installation processes and regression testing• Created and executed test plans and test cases• Documented and tracked software defects• Designed and implemented multi-language news application