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Eugene Trapeznikov
Sr. Software Development Engineer, Machine Learning at Etsy | Ex. Amazon
About
Zhenya Trapeznikov is a seasoned Sr. Machine Learning Engineer with over 5 years of experience in developing rich applications on tight schedules. With a passion for machine learning technologies and a quick learner that adapts rapidly to emerging technologies, she is now seeking a full-time Senior Machine Learning Engineer position to build the best software solutions in the ML field. Zhenya has a proven track record of leading mixed teams of software engineers, applied scientists, and quality assurance engineers to deliver complex solutions. She also has experience in mentoring software developers, having promoted multiple junior developers to middle developers. She loves MLOps and improving team ML stability, and is always seeking opportunities to improve and automate team's operational processes. Currently, Zhenya works at Amazon as a Sr. Machine Learning Engineer, Personalization, where she is responsible for feature engineering to improve team ranking models, running experiments updating ranking models, and migration from proprietary data pipelines to Apache AirFlow. She has also optimized Hadoop and Spark jobs with AWS EMR and introduced multiple MLOps projects, such as the feature store and automating models and experiments evaluation. Additionally, she maintains and improves data processing pipelines. Prior to her current role, Zhenya worked as a Machine Learning Engineer, Alexa, at Amazon, where she was a key developer for Alexa Hands-Free mobile framework with on-device Speech-to-Text technology. She also launched Amazon's own User Voice Recognition mobile solution and scaled Alexa Hands-Free framework across multiple Amazon apps. She designed and delivered Privacy-Preserving Federated Learning systems and worked with hardware and software partners such as System on Chip producers, Mobile devices manufactures, wireless network operators, and 3rd party mobile app developers. Zhenya also improved multiple operational processes, standardized releases, postmortem documentation, and customer support runbook. She conducted over 50 interviews and mentored 2 interns and new team members. Before Amazon, Zhenya worked at Zello Inc as a Software Developer, where she completely redesigned the application’s UI and improved the app’s architecture. She also introduced in-app purchases and background location services integration, redesigned user notifications architecture for Android, and improved the development process by introducing GitFlow and unifying code style. Zhenya established a Continuous Integration server and integrated it with GitFlow. She introduced unit tests and automated them with Jenkins, participated in the design and development of the SDK for third-party companies, and introduced analytics and A/B testing,
Education Overview
• stanford university
• higher school of economics
• perm high school no. 146 mathematics physics and informatics
Companies Overview
• etsy
• amazon
• zello inc
• trucker path
• giftboard
• miro
Experience Overview
8.5 Years
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