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Dmitry Ryashchentsev

Senior Software Engineer @ Conviva

Principal Engineer

Greater Denver Area

Ranked #1,093 out of 21,860 for Senior Software Engineer in United States

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Dmitry Ryashchentsev's Email Addresses & Phone Numbers

Dmitry Ryashchentsev's Work Experience

Conviva

Senior Software Engineer

2012 to 2016

Foster City, CA

Yandex

Software Engineer

2011 to 2012

Palo Alto, CA

Google

Software Engineer

2010 to 2011

Mountain View, CA

Dmitry Ryashchentsev's Education

Saint Petersburg State University

PhD, Applied Mathematics

1997 to 2001

Saint Petersburg State University

MS, Applied Mathematics

1992 to 1997

Dmitry Ryashchentsev's Professional Skills Radar Chart

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Dmitry Ryashchentsev's Estimated Salary Range

About Dmitry Ryashchentsev's Current Company

Conviva

● Data Science of MBR video streaming (with Hive and Spark): ○ Detection and analysis of players and viewers behavior patterns and anomalies ○ Improvement of video streaming multi bit-rate switching heuristics ○ Wide range of video streaming business analytic ○ Development of analytic applications● Research capabilities of Silverlight video player for seamless CDN switching● Developed a...

Frequently Asked Questions about Dmitry Ryashchentsev

What company does Dmitry Ryashchentsev work for?

Dmitry Ryashchentsev works for Conviva


What is Dmitry Ryashchentsev's role at Conviva?

Dmitry Ryashchentsev is Senior Software Engineer


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What industry does Dmitry Ryashchentsev work in?

Dmitry Ryashchentsev works in the Information Technology and Services industry.


Who are Dmitry Ryashchentsev's colleagues?

Dmitry Ryashchentsev's colleagues are Toby Kendall, Bernie Clark, Meghan Austin, Mathew Carrigan, Nathan Crow, MBA, John Donovan, Andrew Vuong, Colleen M. Vasko, Ben Crisp, and Joseph Landis


About Dmitry Ryashchentsev

📖 Summary

Senior Software Engineer @ Conviva ● Data Science of MBR video streaming (with Hive and Spark): ○ Detection and analysis of players and viewers behavior patterns and anomalies ○ Improvement of video streaming multi bit-rate switching heuristics ○ Wide range of video streaming business analytic ○ Development of analytic applications● Research capabilities of Silverlight video player for seamless CDN switching● Developed a knowledge based root cause analysis framework● Lead development of streaming video bit-rate switching modeling framework● Lead development of ISP Fault Isolation framework From 2012 to 2016 (4 years) Foster City, CASoftware Engineer @ Yandex ● Developed a wide range of features extraction for the web indexing crawler● Optimized on-graph real-time algorithms for Yandex.Bar analytics● Content ranking research, got the 1st prize in the features engineering lab competition From 2011 to 2012 (1 year) Palo Alto, CASoftware Engineer @ Google ● Developed Ad management web panels for Google Media Platform● Introduced IDs and UI styles handling and control in Google Media Platform● Investigated and developed a prototype for the new federated data mining Google Analytic platform From 2010 to 2011 (1 year) Mountain View, CASenior Researcher, Systems integrator and System architect @ HP ● Integration of components developed by the team and collaborative partners into Contextualized Information Delivery Platform● Improved NLP techniques by introducing fast and scalable processing of big graphs● Developed fast in-memory processing of big ontologies● Introduced scalability into the platform components design From 2008 to 2010 (2 years) Saint Petersburg, Russian FederationSoftware Engineer @ System Programming ● Implemented multi-threaded multi-platform client communication layer (HTTP/1.1+SSL)● Optimized big data uploading● Introduced a database abstraction layer● Improved memory usage in Oracle's original TCL DB driver library● Introduced transactional file access● Developed fast based backup infrastructure From 1999 to 2005 (6 years) Saint Petersburg, Russian FederationSoftware Engineer @ Scientific Research Technical Institute of Alexandrov ● Developed dynamic graphical modeling visualization and control framework● Developed visualization and control model elements and schema editors● Developed high performance embedded device-PC monitoring application From October 1995 to April 1999 (3 years 7 months) Sosnovy Bor, Russian FedertionFull Stack Software Engineer @ Vitex Baltic ● Earlier startup proof of concept investigation● Architecture and design of Remote Monitoring and Control system● Integration of the product into the customer’s infrastructure From September 1992 to May 1993 (9 months) Russian FederationSenior Software Engineer @ Sun Microsystems ● Semantic Web engineering: ○ Introduced a math solution for modeling "Community Equity" in social networks ○ Developed a scalable real-time calculation and public API ○ Developed the analytic reports and administration web UI ○ Developed fraud detection and prevention infrastructure● Quality Engineering: ○ Development of Java Virtual Machine stress tests ○ Development of "Software Quality Measuring Tool" based on cross analysis of code coverage, bugs statistics and call-graph ○ Lead JVM pre-integration testing ○ Acting leading of JDBC quality team From 2005 to 2008 (3 years) Saint Petersburg, Russian FederationTech Lead, Tech Product Owner @ Charles Schwab Banking technologyTech Lead and Product Owner of Platform Software Development team Greater Denver AreaPrincipal Engineer @ Charter Communications ● Nationwide network maintenance and control automation:○ Lead development of scalable ETL platform○ Development of complex devices control and audit automation logic● Proactive Network Maintenance analytics:○ Modelling of telecommunication network behavior○ Research the network analytics best practices○ Build the required Big Data infrastructure From March 2017 to June 2019 (2 years 4 months) Greater Denver Area


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Dmitry Ryashchentsev's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

2 year(s), 7 month(s)

Dmitry Ryashchentsev's Willingness to Change Jobs

Unlikely

Likely

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