Summary
Mary Fesenko is a Senior Software Engineer with nine years of experience building and operating large-scale infrastructure and deployment systems across companies like Dropbox, Chronosphere, and Uber. She specializes in backend and systems work—frequently using Golang, Python, Java, and C++—and has focused on developer productivity, release tooling, and test environment infrastructure to reduce R&D cost. At Uber she contributed to a global in-house deployment platform for thousands of microservices, and at Chronosphere she measured and optimized developer efficiency through data-driven infrastructure projects. Based in Aarhus, Denmark, she pairs deep system-programming roots (Master’s in System Programming) with hands-on leadership from earlier team-lead roles, making her adept at turning operational complexity into reliable, measurable workflows. An engineer who bridges desktop, backend, and cloud-native systems, she brings a pragmatic, metrics-oriented approach that surfaces less-visible cost and efficiency wins.
9 years of coding experience
14 years of employment as a software developer
Kharkiv National University of Radio Electronics
English, Ukrainian, Danish