Programmer, Data Engineer, Data Analyst, Data Scientist, DevOps Academia.edu 2013 – Present (3 years) San Francisco, CA

• Developed and supervised a process that quantifies the impact that the company's products have on the users' academic careers.

• Wrote and managed a multi-step automated data collection process across a cluster with hundreds of machines using Ruby and Node.js

• Prepared thousands of data collection tasks to be completed by many human workers on Mechanical Turk

• Managed a team that consisted of a Data Scientist and a Data Engineering Intern

• Developed and deployed supporting infrastructure - PostgreSQL & Sidekiq on EC2. Freelancing Instructor AcademyX January 2011 – January 2014 (3 years 1 month)San Francisco Bay Area Every couple of months I teach a class in modern technologies to students that are interested in maintaining their technical skills sharp and current.

Topics taught: Ruby on Rails, MySQL, iOS Programming (Open)1 recommendation Geppy Parziale Geppy Parziale CEO/CTO at iNVASIVECODE, Inc. A year ago, I asked AcademyX for a very specific training on Ruby on Rails. They did not communicate that to Yuri who was supposed to do the standard RoR class. However, Yuri was able to model and provide the class in real-time for my needs in a...View Software Engineer - Consultant CardSpring January 2012 – May 2013 (1 year 5 months)Palo Alto Implemented a messaging system using Ruby EventMachine and Amazon Web Services. Implemented a system for synchronizing datasets provided by external partners with an internal database. Private Tutor tutorspree 2011 – 2013 (2 years)San Francisco Bay Area I tutor all levels of Computer Science, Web Development, the Russian Language, Mathematics, Physics and Philosophy. (Open)1 recommendation Nathaniel Wharton Nathaniel Wharton CTO / Engineer at Innovative Online Real Estate Company Yuri has been very helpful in learning the intricacies of ruby on rails coding. He's a great tutor and really knows his stuff. I'd recommend him to anyone wanting to learn anything about the topic!View Software Engineer - Consultant The Confidentiality Group October 2011 – November 2011 (2 months) Developed a new web tier for a large Java/J2EE application that provides large enterprises with fine-grained access control over material non-public information.

Technologies used: JRuby on Rails, Java, jQuery (Open)1 recommendation Seth Wright Seth Wright CTO at SecureZone360 Yuri's work is always of exceptional quality. It's always a pleasure to work with Yuri because I know that I can rely upon him to fully understand the problem we're trying to solve and apply creative, intelligent solutions. I usually find that on...View Developer - Consultant Potential.ly June 2011 – August 2011 (3 months) Developed a minimum viable product that aggregates user's friends' profiles across most popular social properties (Facebook, Twitter, Instagram and Foursquare) and provides a centralized search interface.

Technologies used: Ruby on Rails, jQuery.

Team size: 2 people. (Open)1 recommendation Adam Devine Adam Devine VP, Product Marketing & Strategic Partnerships "Service provider" doesn't do justice to the way Yuri worked with me and my business. From the first phone call to the final delivery of our alpha product, Yuri was a true collaborator and felt less like a contractor and more like a colleague: he...View Cofounder and Director of Research Eluciv Knowledge May 2007 – May 2008 (1 year 1 month)Brooklyn, NY Directed machine learning research and development efforts at Eluciv Knowledge, a startup focused on reducing information overload. The initial product was going to be a reader for syndicated (RSS/Atom) feeds, with planned advanced features such as implicit acquisition of user's interests, recommendations using collaborative and content-based filtering, and sorting by personal relevance. The team consisted of three co-founders.

• Led the planning of scaling the adaptive feed reader product, which would scan and store a large number of feeds, and provide specific article recommendations to individual users.

• Researched free and commercial machine learning libraries and clustering packages such as Weka, CLUTO, Carrot2 and Lemur, and evaluated the possibility of adapting them as engines for determining personal relevance.

• Researched parallel and distributed computing platforms such as Amazon Web Services, Apache Hadoop and Google MapReduce.

• Primary contributor in the development of the product vision, the business plan and the revenue model.

• Designed and developed a prototype content archiver and delivery system using Amazon Web Services (S3, EC2, SimpleDB). The system was written in C and Python.

• Built an alpha version of the product that won a highly sought after YCombinator funding round. Used Ruby on Rails for speed of development. Senior Software Engineer The Confidentiality Group August 2000 – May 2007 (6 years 10 months)New York , NY First employee at a company serving top-tier investment banks and other highly regulated large enterprises. Designed and developed the flagship product, which is a platform for customers to ensure that they remain in compliance with auditing and information access laws and regulations. The platform provides an entitlement and storage engine for confidential electronic documents. It ensures that all user access to documents through email, web applications, and filesystems, goes through a flexible and powerful authorization and reporting layer. The team grew from two to seven members over time.

• Implemented several iterations of the entitlement engine which supported fine-grained and fully versioned access control. The engine ran on JBoss AS, with Hibernate and MySQL providing persistence.

• Designed a cross-browser AJAX framework (jQuery was not yet available) and implemented several iterations of the UI used for the entitlement engine.

• Designed, implemented and maintained a set of Citrix Client and Microsoft Office plug-ins that seamlessly incorporated editing and emailing confidential documents into the user's natural workflow.

• Implemented client-specific requirements and integrated the product with clients' in-house infrastructure.

• Supervised testing and performed monthly on-site rollouts. Volunteer Instructor - after-school program Stuyvesant High School January 2006 – June 2006 (6 months) Taught college-level artificial intelligence topics twice a week after school to gifted 12th-graders at my alma mater. (Open)1 recommendation Stanislav Nikolov Stanislav Nikolov Machine Learning @ Enlitic Yuri taught an after school course in Artificial Intelligence at Stuyvesant High School when I was a junior. Aside from the fact that he spent his free time doing this (often staying after class to help with questions and problems) he presented...View