Andrey Stepnov Email & Phone Number

Vladivostok, RU

Vladivostok, Primorye, Russia

Vladivostok, Primorye, Russia

Probability theory, Computer methods for big data analysis

Vladivostok, Primorye, Russia

Results: - researched and tested a new RecSys model for personalized recommendations on the core product;- developed a new online recommender with serving and continuous learning platforms based on the Ray framework to bring the new model into production;- achieved significant business impact: +17% engagements from the recommendation feed, +7% product-wide.

Sakhalin

Project "Information resource about earthquakes, seismic impacts and hazards" (eqalert.ru)Project team: 5 developers.Scientific results: - Possible Connection Between Recent Seismicity and Fluid Injection in the Offshore Oil and Gas Field Area of Sakhalin Island, Russia (https://doi.org/10.1007/s00024-022-03006-y, read online: https://rdcu.be/cJ2O2).

Vladivostok, Primorye, Russia

I worked on a standalone machine learning project in seismology. Publication: Stepnov, A.; Chernykh, V.; Konovalov, A. The Seismo-Performer: A Novel Machine Learning Approach for General and Efficient Seismic Phase Recognition from Local Earthquakes in Real Time. Sensors 2021, 21, 6290. https://doi.org/10.3390/s21186290 (read online.

Vladivostok, Primorye, Russia

I have worked as a statistician in various research projects:- regressed parameters and developed a probabilistic model to assess the risk of landslides caused by earthquakes (Article text: https://www.mdpi.com/2076-3263/9/7/305);- discovered missed events by analyzing waveform time series data using cross-correlation methods;- developed a probability.

Sakhalin

Co-leader of the project "Development of new technologies for monitoring and managing seismic risks (natural and induced) in the industrial development of offshore oil and gas fields", Federal Special-Purpose Program of the Russian Ministry of Education. Project ID 14.607.21.0105 (RFMEF160714X0105). Project implementation period: 2014 – 2016. Number of.

Sakhalin

Leader of the project "Study of the seismic regime of the Sakhalin active fault zones during the industrial development of oil and gas fields on the shelf." Russian Foundation for Basic Research (RFBR). Project ID 14-05-31323 (mol_а). Project implementation period: 2014 – 2015. Number of participants: 2 scientists. Grant amount: 800 000 RUB (~14 500.

Sakhalin, Russia

Leader of the project "Development of new software solutions and methods for assessing the dynamic parameters of the site response to ground shaking according to field geophysical and seismological observations. Innovation Promotion Fund (http://fasie.ru). Project ID 1842ГС1/26934. Project implementation period: 2014 – 2016. Number of participants: 7.

Vladivostok

Tech leader of the project "arsenalpay.ru" (e-commerce service provider). Project team: 4 developers, 1 engineer. Results:- more than 30 virtual machines designed and deployed to service project tasks (Linux/XEN, PostgreSQL, nginx, php-fpm, bind, snort, Zabbix, NFS, FreeRADIUS);- deployed L3 VPN services (Cisco webvpn, IPSEC);- implemented security tasks.

Vladivostok

Tech leader of the project "IPTV service" (~10K active subscribers). Project team: 2 engineers. Results: - built a headend for receiving satellite TV/radio broadcasting and streaming it on IP multicast (MPEG2/MPEG4, special hardware by Motorola);- carried out Integration with local TV and radio companies (L2/L3 networking based on Cisco equipment).In this.

Vladivostok

The project "Highload web services for DSL backbone" (additional services for Internet users). 100K+ users/day.Project team: 4 developers, 1 engineer.Results:- designed and launched simple fault-tolerant web-cluster using php-fpm, nginx, and postgresql;- implemented svn/redmine in the development process;- launched a video hosting service, a file sharing.

Sakhalin

Tech leader of the project "Information and telecommunication resources of the Far East" (Far Eastern Branch of the Russian Academy of Sciences). Project team: 5 engineers. Experience:- built network backbone (L2/L3) for Sakhalin branch (Cisco equipment);- deployed core services for Sakhalin branch (Linux/XEN, FreeBSD.

Sakhalin

The project "Digital Language Center". Project team: 2 engineers, 3 assistants.Results:- built L2 network segment for new digital laboratories;- a simple file-based database was developed for the digitization of Soviet educational materials;- developed standards for working with digital laboratories.The stack of technologies: cisco L2, windows based.

Sakhalin

Project name: "The Univercity LAN".Project team: 2 engineers.Results:- launched the workstation management system (100+ PC's) based on MS Windows 2000 Server;- launched the University firewall based on MS ISA server.The stack of technologies: cisco L2, MS Windows 2000, MS ISA server 2004/2006

Micromaster, Statistics And Data Science

Specialist, Mathematics, Physics, It, Software Development.

Activities and Societies: judo teamR&D: The security of local area networks at University

Doctor Of Philosophy (Phd), Geophysics And Seismology

The automated monitoring system for seismic analysis of Northern Sakhalin

Specialist, Business Managmant (M2)