Jeff Hennessey

Software Engineer in Test

505Games•  February 2022 - December 2023•  Calabasas, CA

[Global video game publisher and developer, subsidiary of Digital Bros, known for diverse game portfolio including acclaimed titles like Ghostrunner and Assetto Corsa] • Spearheaded quality assurance for AA video game, reducing post-release defects by 30% using Unreal Engine and Perforce • Enhanced user satisfaction by 25% through comprehensive testing with JIRA, TestRail, and Selenium • Optimized software performance across multiple platforms (Windows, Linux, PlayStation 5, Xbox Series X), improving rendering speeds by 40% with DirectX 12, Vulkan, and NVIDIA RTX • Implemented data-driven product improvements using Google Analytics and Mixpanel, resulting in a 20% increase in positive user reviews • Accelerated release cycles by 15% through alignment of beta testing with agile development practices

Senior Software Engineer

TPNI•  December 2011 - December 2021•  Dedham, MA

[Industry-leading provider of comprehensive event management and marketing solutions, with over 30 years of expertise in corporate events, mobile applications, and association management] • Architected and launched a comprehensive CMS platform using C#, React, and Angular, reducing event planning time by 50% • Developed a marketing platform that increased lead generation by 35% and sales conversion by 45% • Designed and implemented scalable APIs and MVC architectures, enhancing system scalability by 70% • Achieved 99.9% uptime for complex enterprise web applications • Improved data accuracy by 20% through advanced SQL database integrations • Mentored junior engineers, reducing onboarding time by 25% and promoting engineering excellence