Responsible for backend systems for apps Sideline and TextFree which are used by millions of users.

• REST Web services

• Led team in practicing Domain-Driven Design

• Modernized OOP practices (clean hexagonal architecture, SOLID, DDD)

• Led the re-architecture and modernization of and transition of critical legacy systems (IAP, Messaging)

• Brought a renewed focus and discipline to unit, integrated, and acceptance testing practices with a TDD approach

• Strives to be a force multiplier that raises the engineering level of everyone around me by mentoring junior engineers, pair programming and thoughtful code reviews, leading cross-team engineering sessions to share best practices, and hosting programming book clubs

Principal engineer leading development of core GET IT systems

• Programmatic bidder (core technology): computing and placing bids for millions of dollars of mobile ad campaigns to achieve ROI positive ad spend for customers

• Integrations with ad networks: Google AdWords, AdMob

• RESTful APIs for internal systems

• Reporting system

• Fully automated testing infrastructure

• unit tests

• functional tests on internal APIs and systems

• acceptance tests on internal Web apps (Selenium/Codeception)

• integration tests across systems

• Implemented continuous integration/continuous delivery enabling multiple daily releases

• Introduced CI using Jenkins, git hooks, internal composer repos, automated testing, Puppet

• Standardized and automated developer local dev environments using Vagrant, saving time and eliminating environmental differences

Lead software developer of TELeMetrics remote services infrastructure

• Enabled product engineers to remotely monitor, observe, and support semiconductor equipment at customer sites

• Automated remote monitoring of machine logs to alert product engineers of issues

• Automated analysis of machine logs, equipment data, and other signals to produce actionable intelligence and proactive responses