# Andrii Korotkov > Sr. Staff Software Engineer | Passionate about Fixing and Building Systems and Tools | Mentor and Lead Location: Mountain View, California, United States Profile: https://flows.cv/andriikorotkov A senior staff software engineer with a passion for optimizations and debugging, infrastructure in general and helping people. Adept in improving efficiency, understanding code, troubleshooting and fixing systems, distributed cloud and open source technologies, building tools. Collaborative professional with a leadership experience of 9+ years. While leading the efficiency team at Facebook, the team's work was helping the company to save up to $100sM yearly. Can jump into an unfamiliar area and deliver a critical feature or optimization, such as structured annotation for Thrift or improved reconciliation speed up to 50x in ArgoCD. Open-source enthusiast with 1+ year of contributing to Argo CD. Like giving back to humanity. ## Work Experience ### Software Engineer @ Verkada Jan 2023 – Present | San Mateo, California Working on a number of things Infrastructure related: tools, cost and latency optimization, stability and reliability, rate limiting, ArgoCD and services deployment in general, configuration management, helping product teams to improve their services. ### Open Source Software Engineer @ Argo Project Jan 2024 – Present | Remote Volunteering and contributing to the open-source ArgoCD system. Doing optimizations, bug fixes, issues triage and some community work. Check out contributions for my GitHub user names andrii-korotkov-verkada and andrii-korotkov. ### Software Engineer @ Meta Jan 2013 – Jan 2023 | Menlo Park, California Worked on the following: * Supported Thrift (RPC framework) development. Developed a critical structured annotations feature from scratch achieving stronger type safety guarantees for an important customer. Migrated Thrift Hack object construction to safer and more convenient APIs by codemods. Marked a big part of Thrift Hack functions with capabilities achieving more automated safety guarantees. Languages: Hack/PHP, Yacc (a bit), C++ (a bit). 3 years. * Services CPU Efficiency: Worked with a team on automation to capture functions CPU cost increase before and after releases saving up to $100sM per year in fixed regressions. Found and implemented optimizations in the existing codebase achieving 2%+ global web tier CPU wins. Worked with partner teams to manage their CPU usage long-term. Led a team during a transition from mainly optimizations made by the team to a more scalable approach with developer teams sharing more responsibility for their efficiency. Languages: Hack/PHP, Python. 3 years. * Ranking and recommendations distributed system. Wrote and maintained backed services, trained ML models, did feature engineering. Wrote Hive jobs to process large volumes of data. Languages: Hack/PHP, C++, SQL-like. 2.5 years. * Mentoring: Helped a junior engineer with a career for several years and had two interns. ### Software Engineer Intern @ Meta Jan 2013 – Jan 2013 | Menlo Park, California Worked on testing system for MySQL. System tested replication, upgrade in process of replication and correctness of query results. ### Software Engineer Intern @ PageBites, Inc. Jan 2012 – Jan 2012 | Palo Alto, California Working with distributed systems, optimizing services performance, developing services, writing tests. ### Software Engineer @ Samsung Electronics Ukraine Jan 2011 – Jan 2012 | Kyiv, Ukraine Research and development ### Admin in computer class @ Ukrainian Physics and Mathematics Lyceum Jan 2008 – Jan 2010 | Kyiv, Ukraine Computer network administration, active directory administration, software installation/uninstallation, traffic filtering ### Teacher of olympiad programming @ Ukrainian Physics and Mathematics Lyceum Jan 2007 – Jan 2010 | Kyiv, Ukraine Teaching high school students in olympiad programming ### Teacher of olympiad mathematics @ Ukrainian Physics and Mathematics Lyceum Jan 2007 – Jan 2008 | Kyiv, Ukraine Teaching high school students in olympiad mathematics ## Education ### Master's degree in Applied Mathematics Taras Shevchenko National University of Kyiv ### Bachelor's degree in Applied Mathematics Taras Shevchenko National University of Kyiv ## Contact & Social - LinkedIn: https://linkedin.com/in/andrii-korotkov - Website: https://github.com/andrii-korotkov - Website: https://github.com/andrii-korotkov-verkada --- Source: https://flows.cv/andriikorotkov JSON Resume: https://flows.cv/andriikorotkov/resume.json Last updated: 2026-04-05