Dima Korolev Email & Phone Number

Bellevue, WA, US

San Francisco, California, US

https://miro.com: The most valuable massively multiplayer online game ever created.— End-user authorization, rules, evaluations at edge, performance & scale.— Real-time policy evaluation with OPA, the Open Policy Agent.— The DAG of data dependencies, OLTP pipelines, SAGAs, consistency models.

https://github.com/SysDesignMeetup/sdm: We gather and talk system design, in a colloquium style.The long play is grow into some crowdsourced Archiect's Corner.On-air events so far are mostly me presenting on various topics. There is a lot more stuff going on behind the scenes.Come join us!

https://github.com/C5T/Current: Realtime machine learning, the C++ framework to develop and deploy data- and OLTP-heavy apps.Architecture:— Publish-subscribe as the source of truth.— Leader-follower replication, eventual consistency between replicas.— Zero-downtime data authority flip, with optional live schema evolution.Implementation:— 10K+ HTTP QPS on.

Douglas, Douglas, IM

https://www.pokerstars.com: The largest online poker in the world, acquired by Flutter in 2020.— Architecting, designing, and sometimes helping implement, test, and maintain real-time data pipelines.— Streamlining the procedures behind ongoing and upcoming regulatory reports.— Initiated and led the automated cross-component testing initiative to run.

San Francisco, CA, US

https://friendlydata.io: Helping businesses make data accessible.Acquired by ServiceNow, which I joined as IC6 = L8.— All things machine learning, query suggestions, spelling correction, backend for UX interactivity.— Using clicks and labeled data to constantly improve the quality of the product in a semi-automatic fashion.— Infrastructure, interactivity.

San Francisco, CA, US

https://realtyshares.com: The Leading Online Marketplace for Real Estate InvestingData Consolidation:— Single source of truth.— Bi-directional sync between our proprietary data storage and Salesforce.Infrastructure:— Zero-downtime rollouts of the data stack.— Fleet monitoring with dependencies visualization and sophisticated alerts, we had no outages all.

http://www.staance.com: Opinions network. Enable people take stances and engage in conversations starting from a simple "Agree/Disagree" on popular trending topics.— First hired engineer. Recruit and manage the engineering team.— Oversaw data science and engineering. Introduced metrics for user engagement, ads efficiency, behavioral insights.— Consultant.

http://www.maps.me: Offline maps for mobile devices based on rich OpenStreetMap data.— Business networking.— Data analytics.— Technology stack.

Bellevue, Washington, US

https://angel.co/public-verification/: Personal identification in under one minute. AirBnb- and Uber-like reputation for everyone, everywhere.— Built and led the team of four engineers.— Define the products and the APIs.— Work with investors and external stakeholders.— Integration work, both as the provider and as the consumer of the service.Provisional.

Redmond, Washington, US

http://bing.com/— Airfare prediction: http://www.bing.com/travel— Image content features understanding: http://www.bing.com/images— Vertical search ranking and more machine learning projects.Patent:— "Determination of Relationships Between Collections of Disparate Media Types."Talk:— "Gödel Theorems for engineers and computer scientists", slides attached.

Mountain View, CA, US

http://www.google.com— Search quality: Unwanted explicit content demotion in search results.— GMail: Site reliability engineer.— Infrastructure work: Scaling spam and abuse pipelines for GMail, used for Google+ later on.Patents:— "Classifying documents using multiple classifiers."— "Construction of Text Classifiers."Talks:— One on the scaling solution for.

Cairo, EG

http://www.guc.edu.eg/: The German University in Cairo (GUC).— Coached the teams for the ACM ICPC competition.— Co-teached the “Data Mining” class.Talk:— “Machine Learning: New Horizons it Opens for Web Applications”, opening the IEEE Day event in Cairo.

— Non-relational quadruplet-based storage system, with PM-friendly UX.— Core DSL to insert, update, and query data.

Text mining framework with user-friendly UX.— Supervised and unsupervised text categorization.— Compression, by itself and as one of text similarity metrics.— SVM and entropy models, text stemming, and a few other in-house algorithms.