Development managment console for Acronis Software-Defined Infrastructurehttps://www.acronis.com/en-us/business/hyper-converged-infrastructure

The software development project for a restaurant business. (startup).Responsibilities:* Organization and coordination of team work.* Requirements analysis, design, development and testing of a backend system.* Design a database schema, planning migrations.* Design REST API for communication between mobiles and the backend system.Knowledge gained:* Knowledge of Agile Scrum development methodology for managing product development.Used technologies:* Flask, PostgreSQL, RESTful API, Swagger, Stripe, AWS

Design and development of several projects:* The payment terminal project.* Messaging gateway project: sending the sms and pushing messages to mobile platforms iOS, Android, Windows Phone. Backend service for a mobile clients.* High-availability file storage service for internal services of the company. (It was published on https://github.com/xmm/fstore)Responsibilities:* Requirements analysis, design, implementation, testing and support of the backend systems.* Design API for mobile clients.* Design the queues system to be able to send the messages with various priorities and be able to send the deferred messages.Knowledge gained:* Knowledge of a new framework and a communication protocol – Tornado, Web Sockets.* Knowledge of a message broker software – RabbitMQ.Used technologies:* Tornado, Django, RabbitMQ, API, MySQL, Javascript, MongoDB.

I integrated an ability to make calls and send SMS from client's browser for a fashionable site. (Python, Django, Javascript)

Design and development domain parking and traffic monetization system (startup).Supporting project:* Development of PostgreSQL OCF ResourceAgent for Replication Manager and Pacemaker for using native hot standby replication of PostgreSQL (It was published on https://github.com/xmm/repmgr)Responsibilities:* Development of almost all parts of the system.* Design and implement high-availability system.* Hardware requirements analysis.* Refactoring and unificating web UI.* Design database schema, optimization SQL requests.* Install and support development infrastructure, mail and monitoring system.Knowledge gained:* Knowledge of web framework - Django* Knowledge of build a cluster - PacemakerUsed technologies:* Python, Django, PostgreSQL, SQL, Javascript, C, shell scripting* Pacemaker - high availability resource manager* PowerDNS, Zabbix, SMTP

Administrating of several servers on part-time.Responsibilities:* Install and support HA-cluster, Suse Linux, Web servers, mail servers, development infrastructure.

Responsibilities:* Integrate MediaCenter into hardware set-top-box for the Internet provider for access to a video streaming server.Used technologies:* Python, Linux

* Instructor of author's course «Advanced Course of Linux Networking Administration»* Instructor of courses of Novell Suse Linux.

Participated in development and support of information system of "Regional informational system of Road Police department"Responsibilities:* Deployment and support of infrastructure of the project informational system.* System administration of a central and remote offices.* Development of dynamic iptables/kernel modules for billing system (likes as the path-o-matic project).* Integration of the protected linux into the corporate network (ALT Linux Castle and ALT Linux Utes-K, certified by the Russian State Technical Commission).* Installation and support of the distributed mail system (LDAP, antivirus, antispam)* Administration various system services: DNS, FTP, Apache, Telnet, SSH, Samba, BOOTPD, DHCP, TFTP.* Integration of diskless workstations technology on the basis of LTSP.RU project.* Design, installation and support of distributed network VPN with dynamic routing on the basis of Linux, IPSec, GRE, OSPF (16 routers).* Experience of work with all models of servers of HP/Compaq Proliant series.* Installation and administration of Cisco equipment.* Training of junior administrators.Used technologies:* SCO Unix, Linux, DB Informix, SQL.* IPSec, GRE, OSPF* Linux kernel, C, Shell scripting

Participated in several projects. Projects examples:* Development of a project for automatic python code generation from UML diagrams for Sybase PowerDesigner. The code generator was used in several projects for automating various companies.* Project of automating the informational system of a large distributor.* Project of automating the informational system of a cafe.Responsibilities:* Development of a graphic subsystem for automatic UI generation.* Development of the report generation system.* Generation of the standard reports.* Design and implementation program for the cashiers.* Develop the new version of drivers for the Felix-R cash desk to use in the informational system of cafes. (It was published on https://github.com/xmm/kkm) Knowledge gained:* Knowledge of GUI library - wxWidgets* Knowledge of UML CASE System - Sybase PowerDesignerUsed technologies:* UML, Sybase PowerDesigner* Python, MSSQL, XML, wxWidgets on platform Win32

Responsibilities:* System support of the development process.* Installation and support of distributed information system of wholesale and retail trade.* System administrating of central and remote offices.* Installation and support of distributed network.* Installation and support operating systems and databases.Used technologies:* SCO Unix, Linux, DB Informix.* IPSec, GRE

Participated in development of information system of the retail network.Responsibilities:* Implementation of an exchange protocol (driver) for the Felix-R cash desk. (It was published on https://github.com/xmm/kkm)* Installation and support operating systems and databases.* Installation and support of distributed informational system of the pharmaceutical network.Knowledge gained:* Knowledge of GUI library - PyQt* Knowledge of database - PostgreSQLUsed technologies:* Python, PyQt, PostgreSQL.* Linux, IPSec, GRE