CV | Work experience

Project description: Design, development, testing, and deployment of standalone web applications, targeted enrollees to get the information regarding their entrance exams results and admission decrees. These are the following apps:

Personal role in the project: Creating the database schema and designing the common apps architecture. Development of business logic modules of the apps and corresponding web pages. Implementing the user authentication and authorization mechanism for enrollees to allow them to get access to their personal data regarding entrance exams results and admission decrees. Making configuration changes in the application server, web server, and database server setups. Creating the database and populating it with the enrollees data taken from the admission committee of the University. Testing and deploying the web apps, and finally starting them up according to the working plans of the admission campaign of the University.

Project description: Migrating five supplementary and subsidiary websites of the University from the Apache HTTP Server to the Nginx web server at the aim of optimizing their performance, simplifying their administering, and load balancing between them. Subproject: Development and deployment of the special backup system to make regular backups of the new web portal of the University (on a separate virtual machine and based on another Nginx web server; please see the previous project).

Personal role in the project: There was a number of consequent tests performed against the Nginx web server for serving high loaded websites of the University. This was crucially important to realize that in peak intervals, where the amount of client requests was relatively big, Nginx showed great performance comparing with the former their web server – Apache HTTP Server. Thus, based on those tests a common decision was taken – to replace the Apache web server with Nginx, i.e. to completely migrate all the supplementary and subsidiary websites of the University to Nginx. Such a decision has been finally carried out with further sites' testing and supporting on a brand new web server.

Development and deployment of the special backup system to make regular backups of the new web portal of the University: writing a Shell script and the corresponding FTP client configuration for creating the web portal's CMS tarball and the compressed dump of its accompanied database, and for uploading them to the FTP server of the University using Cron jobs on a daily basis. Creating a scenario for restoring the web portal from any of its backups taken from the University's FTP server.

Project description: Analysis of a series of freely redistributable open source content management systems (CMS), freely available extension modules (plugins) for them which are required for building the new web portal of the University. Selection of one of these CMSs and initial development of the new web portal of the University based on the CMS chosen.

Personal role in the project: Selection of the front-end theme (template) for the new portal. Proving the three selected CMSs in action: installation, configuration, navigation, and minimal content populating to create a set of sample web pages. Namely, these are: October CMS, TYPO3, and Joomla. Installation, fine tuning, and configuring a one of these three CMSs, that is best fitted to the new web portal of the University, for its building and evolving, and for the further management of its parts and components during both development and normal production use. The main requirements are: (1) the CMS needs to provide extended permissions and user roles management functionality out of the box, (2) the existence of rich community and ecosystem having freely available plugins for various purposes, (3) to provide the possibility to perform yet simple content management-related tasks for users having too diversed technical skills. Finally, the CMS chosen was Joomla! and its accompanied RDBMS was MariaDB. Initial development of the new web portal of the University based on this CMS: selection of the front-end theme for the new portal, development of the navigational structure, creating a set of semi-dummy pages written in three languages (Russian, Byelorussian, English). Also two special pages in these three languages were completely designed, created, and populated ("About the University" and "Contacts"). Performing a whole set of tasks regarding the virtual machine maintenance, the web server configuring and other duties (please see for their description in the previous project).

Project description: Development, deployment, content management, webmastering, maintenance, and support of the website of the Faculty of professional development and personnel retraining of the University.

Personal role in the project: Development of the logical structure, navigation elements of the website. Adaptation of content elements of web pages for mobile web browsers, doing content populating the web pages and their further editing upon faculty staff requests (content management-related activities). Non-standard or multiple/mass content data changes or special data and metadata changes using database management tools besides CMS (also various DBA-related activities). Regular monitoring of scheduled site's backing up operations and analysis of respective logs and notifications. Analysis of client requests to special and selective web pages and to their respective underlying data, grepping for them in web server access logs. Performing the full cycle of activities regarding updating and upgrading packages of and the operating system itself which is used to run web server, CMS, database, and various vital system services. Updating the CMS and its modules, plugins, translations, etc. Keeping the virtual machine and the respective operating system to adhere to the principles of high availability, reliability, and readiness. SEO-related activities regarding this website.

Project description: Design enhancements, content management, webmastering, maintenance, and support of four supplementary and subsidiary websites of the University, which are targeted and used as extra informational resources to complement the main web portal of the University. Namely, these are:

Personal role in the project: Refinement of the overall websites design, adaptation of content elements of web pages for mobile web browsers, doing content populating the new pages, editing the existing pages (content management-related activities). Non-standard or multiple/mass content data changes or special data and metadata changes using database management tools besides CMS (also various DBA-related activities). Regular monitoring of scheduled sites' backing up operations and analysis of respective logs and notifications. Analysis of client requests to special and selective web pages and to their respective underlying data, grepping for them in web server access logs. Performing the full cycle of activities regarding updating and upgrading packages of and the operating system itself which is used to run web server, CMS, database, and various vital system services. Updating the CMS and its modules, plugins, sites' themes, translations, etc. Keeping the virtual machine and the respective operating system to adhere to the principles of high availability, reliability, and readiness. Basic load balancing activities between sites and managed SEO-related activities.

Project description: Continuous development of the application lifecycle management solution (Flosum), built on the Salesforce platform, and the Dataplier app – a data migrator, metadata-driven Salesforce app, aimed at transferring arbitrary data between Salesforce orgs.

Personal role in the project: Testing the workability and documenting the whole process of migrating data, based on the Knowledge Article objects, using the Dataplier app. Creating the Customers Community prototype, a Salesforce community, and making initial development on its main page, including applying the design and partial content to it, taken from the Zendesk support website, dedicated to Flosum. Enabling, activating, and initially populating the knowledge base, targeting the Customers Community. Training the Flosum customers enablement management representative (by recording a series of screen videos) how to create knowledge articles and close cases using those knowledge articles. Other activities include bug fixing in back-end components of the Flosum app and improving their developer documentation.

Project description: Development of the Flask Blueprint-based application component, so-called Orchestrator, inside the Barracuda Web Security Gateway (WSG) proxy server back end, which is intended to integrate WSG with the Microsoft Azure cloud platform to automate creating virtual infrastructure appliances by invocating the Terraform tool (along with the given infrastructure configuration) running in a Celery task queue. WSG as well as Orchestrator both are written in Python, and the latter uses the Celery task queue library to asynchronously execute Terraform jobs.

Personal role in the project: Development and configuration activities in the part of handling and validating Terraform data (configuration variables) and passing them to a Celery task queue for further execution. Also taking part in development of displaying Celery task execution results and statuses on an asynchronous manner and test the Orchestrator against a dedicated Azure account together with a DevOps engineer.

Project description: Development of the server-based solution (TDXchange) for secure managed file transfer (MFT) between two or more participants (endpoints) using a wide variety of network protocols and incorporating symmetric and asymmetric encryption methods. It is written in Java and incorporates the JSF web application framework and the RichFaces library with some excerpts from the OmniFaces library. It stores all its internal configuration parameters in one of the following RDBMSes, depending on initial configuration and build profile: Oracle Database, MS SQL Server, H2 Database.

Personal role in the project: Configuring and building application bundles for a series of supported platforms: Linux x86/x64, Solaris SPARC, IBM AIX 32/64-bit, HP-UX IA-64. Deploying and testing application bundles on remote servers having and running the aforementioned platforms. Performing bug fixing operations and documenting various configuration caveats and gotchas found during deployment of new versions or custom builds of the application and its components.

Project description: Development of REST API microservices in Python running inside Docker containers which communicate with each other through the REST model. They are built on top of business layer that is responsible for deep learning of a series of data models, and returning sets of encumbents (predictions and accuracy) for job matching user infrastructure.

Personal role in the project: Building and configuring microservices using the Docker Compose tool, testing their work and performance using various Python web app frameworks and servers (see below). Doing prototyping work for experimental development approaches using asynchronous web communication scheme (Python) and porting a couple of microservices into Go (golang) in order to increase their performance. Preparing microservices for pre-deployment stage for Amazon AWS computation environment. Documenting the source code and architectural techniques/approaches which were implemented in various prototyping branches.

Project description: Development of the Windows system service to make a continuous screen video capturing and recording it as a sequence of video files, and later on to transmit them to a remote private server.

Personal role in the project: Research and development activities on selecting an appropriate third-party framework or library, suitable for fast screen video capturing. Also development of the video files rotating mechanism.

Project description: Development of control panel (CP) components for the web application which is targeted onto the Hotel Booking Services area. The key aspect of this web app is the deep integration with the Google AdWords web service.

Personal role in the project: Development of new web pages or their components according to the project guidelines and requirements. Minor bug fixing in a series of web pages of the CP. Building and testing the CP. (Development work covers both front-end and back-end layers, which talk to each other by utilizing REST API techniques, and both written in JavaScript.)

Project description: The back-end web service as a TI component (see prev. project) operates on DUT (device under test) devices. For character devices there is already such a driver in use, but for block devices there isn't. The project's aim is to develop a block device driver as a loadable kernel module (LKM) for the Linux kernel that will perform collecting and measuring latency for I/O operations.

Personal role in the project: Responsible for the whole project – development of the Linux block device driver and a small utility to test (and debug) its work without any invocations from the TI back-end web service. Documenting the source code.

Project description: The back-end web service for TI that communicates with the front-end web service through the use of REST API calls. The Test Infrastructure consists of two big components: front end and back end. Whilst the front end is responsible for communicating with the QA specialists and written in PHP and JavaScript, the back end is doing its work (run single tests or multi-test jobs on DUT (device under test) devices) behind the scenes; it is written mainly in Python with some performance-critical parts written in Go and C. Both front-end and back-end components talk to each other by utilizing REST API techniques.

Personal role in the project: Responsible for development of the report generating facility (agent), which is intended to collect information about all tests and test jobs are being ran or currently running on DUT devices, and to produce consolidated PDF or CSV report for QAs and managers. Other activities include general bug fixing in other parts of the project and documenting the source code.

Project description: Building the simulating AWS (Amazon Web Services) environment to develop and test new features for TI locally, instead of using remote Samsung AWS environment.

(Test Infrastructure is the composite software platform aimed at using by developers and QAs to run either single tests or multi-test jobs on DUT (device under test) devices, for example, on SSD drives. It utilizes host/target paradigm to perform its tasks on multiple machines at once.)

Personal role in the project: Development of the local build and test environment, vaguely reminiscent of AWS environment used during the Samsung storage software development process by various dev/QA teams. Responsible for creating modules and scripts for cascade execution of build sequences written in a series of programming languages: Perl, Bash Shell Script, Java, Python, Go. Documenting.

All the projects given below should not be considered as separate projects, but in contrary they are functional parts of a consolidated continuous development, improvement, and maintenance cycle of modules of the aggregated and unified bulk-billing SMS/IVR platform. This platform has been invented and developed exclusively by the SMS Online company for their internal ops, and currently it covers up to 90-95% of load for all the resources of the company with the comparable (approx. 1:1) throughput.

Project description: Optimization and maintenance of the company's IVR Services, analysis of the IVR statistics and its periodical recalculation according to the requirements of currently running business processes. IVR Services are interactive voice response services (something like voice menus) which are running on the dedicated server under the control of the open source Asterisk VoIP PBX. They work either in an isolated environment or in a part-to-part intercommunication with the other IVR Services ran by partners and VoIP telecom systems of mobile network operators, and with abonents.

Personal role in the project: IVR statistics monitoring and analysis, and its periodical recalculation. Modernization of a series of auxiliary IVR services which let main services to work properly in a completely autonomous mode, without changing their source code in situations when IVR contexts are subject to switch. Modernization of web control panels which provide necessary functionality for configuring IVR services and to collect and retrieval of IVR statistics. Taking part in the IVR platform migrating from a hardware server to a cloud-based virtual machine together with the system and network administrators of the company. Carrying out post-migrating activities and tasks, including Cron jobs setup, Asterisk VoIP PBX configuring, IVR traffic and statistics analysis, and deep functional testing of all active IVR services running on the platform. Partially performing tasks as a DBA. Documenting.

Project description: Making and providing landing pages to partners to store company's content on their side (as web services), and processing SMS billing ops according to requirements and conditions of active partner programs.

Personal role in the project: Automating the process of creating the WAR archive for a web app (containing a landing page) for its future use during one of endorsed partner programs. Installing, deploying, and testing this WAR archive on supported Java EE app servers.

Project description: Continuous deepest modernization of the SMS Billing Platform Control Panel (CP). The CP is the web administrative console that is built as a series of separate modules written using CGI and Mojolicious MVC framework. The CP is used mostly by the company's tech support group 24x7. SMS Billing is the multi-component composite software platform for processing billing ops with SMS message queues which are moving between partners' services and mobile network operators.

Personal role in the project: Participating in the CP migrating process from separate CP modules to a single unified Mojolicious-based app combining all the managerial stuff in one web app. General bug fixing in various obsolescent but still active CP modules. (Presentation and business layers.)

Project description: Further development and improvement of the SMS Bulk Platform Control Panel (CP). The CP is the web administrative console utilizing Vaadin Framework controls and workflow. The CP is used mostly by the company's tech support group 24x7. SMS Bulk is the software platform for mass messaging.

Personal role in the project: Responsible for the whole project (as the only Java developer in almost exclusively Perl-oriented company). Development of the additional user controls according to new business requirements and general bug fixing. (Presentation layer.)

Project description: Further development and improvement of the SMS Billing Platform Control Panel (CP). The CP is the web administrative console that is built as a series of separate modules written using CGI and Mojolicious MVC framework. The CP is used mostly by the company's tech support group 24x7. SMS Billing is the multi-component composite software platform for processing billing ops with SMS message queues which are moving between partners' services and mobile network operators.

Personal role in the project: Development of a bunch of new CP modules including the following: "Preprocess Messages Search", "MT-Subscriptions and Services Management", "Users and Roles Management". Taking part in the CP migrating from a hardware FreeBSD-based server to a virtual machine running Debian Stable together with the system and network administrators of the company. General bug fixing in various CP modules. Documenting. (Presentation and business layers. Role-based user authorization-expert.)

Project description: Development of the SMS Bulk Platform API easily accessible from within Java client apps (used by business partners). SMS Bulk is the software platform for mass messaging.

Personal role in the project: Responsible for the whole project (as the only Java developer in almost exclusively Perl-oriented company). Development of the API library with the complete Javadoc and installation/use notes. Also development of the test/sample web app to demonstrate how to use the library inside a client Java web app.

Project description: Development of the complex composite payment system for mobile banking (MB) that targets its area of application to cover all divisions and subsidiaries of Sberbank of Russia with the uniform MB system. This system provides bank clients with the ability to make payments using their various mobile devices (cellular phones with the Java ME technology inside, smartphones, and tablets based on Symbian, Android, and iOS operating systems). This system is developed consolidatedly by a series of companies, one of them is the Intervale company. It is responsible for R&D for building the following components: SMS gateway, message queues, and client apps for Java ME-based mobile phones.

Personal role in the project: Responsible for development of the web administrative console intended to use by bank operators and auditors to control and manage the assets and processes which are underlie the SMS gateway and message queues-related operations. Documenting. (Presentation and (partially) business layers. Usability and accessibility-expert. User authentication and authorization-expert.)

Project description: Literally this can be stated as an advertising optimizer. This is a web app that is used by company's managers to reorder and redistribute the ad banners and applets which are displayed on abonents' mobile devices. The items of such ad content (ad banners and applets) are only displayed on those mobile client applications and games which were produced and offered by the company and – that is very important – are free of charge to download and use, in other words, which are freeware or at least shareware. These ads are subject to apply the following operations which might be performed over them inside this web app: filter, connect, delete, make active, discard, and reorder using the following criteria: mobile platforms (mobile operating systems) and their versions, mobile apps and games and their versions, and localization parameters, abonents'/mobile devices' geographic location (using the GeoLocation third-party web service API).

Personal role in the project: Development of new web pages according to the project guidelines and requirements. Bug fixing in most actively used web pages of the app. Building, testing, and deploying the whole app in a production environment along with making any required database schema changes. Documenting. (Presentation and business layers.)

Project description: Development of the 2D-game Zuma iOS (alternate name Zuminja) intended to run on the Apple mobile devices line-up. (The mobile app should look and behave similar to already developed ports for Android- and BlackBerry-based devices.)

Personal role in the project: Responsible for the whole project except making game design scenes and related static graphical components.

Project description: Integrated complex project that targets the development of the NGP (Next Generation Proxy) proxy server. This server together with its plugins Media Optimizer and Web Optimizer is designed as a mediation layer to reduce traffic loads which highly affect the network infrastructures of Internet service providers and mobile network operators when they operate on and transmit dense mobile traffic to the users' and abonents' mobile devices.

Personal role in the project: General bug fixing activities in the mainline branch of the Media Optimizer (Java) and Web Optimizer (C++) plugins according to official bug reports issued by the QA team. Mainly, having responsibilities on bug fixing, rebuilding, deploying in a test env., and testing the crucial component of the Media Optimizer plugin called ViDeO (Video Delivery Optimizer). Documenting.

Project description: Policy Atlas is the web-based management information system that unifies Legal, IT, Records Management, Finance and Lines of Business to eliminate unnecessary discovery and data management risk and cost. The Suite includes enterprise workflow, decision support tools and a unified inventory of assets and their legal obligations and business value. Atlas enables company to meet its duties for legal information governance and to identify and eliminate data with no business value or legal obligation.

Personal role in the project: Java modules coding, JavaScript modules coding, Bash scripts coding. The main task is to develop and maintain complex, interactively overloaded web page "Matter Exceptions and Alerts". Bug fixing in other modules of the application. Also having responsibilities for development of the (auxiliary) patching utility intended to simplify and accelerate Policy Atlas application deployment.

Project description: IACS "Trainflow" is the centralized management information system having its purpose to control and maintain the real-time process of optimal timing and routing the freight trains inside both Russian and Belarusian railway systems with no any constraints.

Personal role in the project: G2 and ASP.NET modules coding, JavaScript modules coding, creating, building and mastering the original design for the web part of the application and performing related tasks. Having responsibilities for part of the project belonging to development of the subsystem for dynamic generating the railway system interactive web reports (presentation layer); usability and accessibility-expert.

Project description: AIS "KDT" is the management information system having its purpose to control and maintain the process of delivering the particular groups of commodities inside complex economical systems such as a trade system.

Personal role in the project: Java modules coding and performing related tasks. Having responsibilities for part of the project belonging to development of the managing the user accounts portlet for large portal system (business and presentation layers).

Project description: Web-based application that empowers managers with the ability and functionality to perform capacity planning and operational optimizations inside IBM. In other words, this is the tool to manage any and all resource changes.

Personal role in the project: Java modules coding and performing related tasks. Having responsibilities for parts of the project belonging to front-end presentation layer, so called "user interaction".

Project description: AIS "KDT" is the management information system having its purpose to control and maintain the process of delivering the particular groups of commodities inside complex economical systems such as a trade system.

Personal role in the project: Java modules coding and performing related tasks. Having responsibilities for part of the project belonging to the common graphical user interface design and development (presentation layer).

Project description: Web-based project that provides functions to allow the creation, maintenance and operation of a number of IBM Intranet and Internet solutions (WSE eSolutions) according to the end-users' and customers' needs through the "Application Modeling" and "Application Runtime" interfaces. The project is for IBM Italia S.p.A.

Personal role in the project: Java modules coding and performing related tasks. Having responsibilities for parts of the project belonging to application configure and runtime stages in preparing certain eSolutions (business and presentation layers).

Project description: Provides enterprise business maintenance and sustain for a bunch of applications with the purposes to manage and control business processes of production infrastructure on various GME vehicle plants, in particular, on Adam Opel AG plants. The project is for General Motors Europe.

Personal role in the project: Java modules coding, modifying existing third-party code, general application bug fixing and performing related tasks; performing standard operations (password reset, user account management, etc.) in the 24x7 schedule. Having responsibilities for maintenance and support of the HMCS Global (Hazardous Material Control System) and INFO2000 applications and for performing standard operations in the 24x7 schedule for these two and for three other related applications through the GME Help Desk.

Project description: Web-based project that provides functions to allow the creation, maintenance and operation of a number of IBM Intranet and Internet solutions (WSE eSolutions) according to the end-users' and customers' needs through the "Application Modeling" interface. The project is for IBM Italia S.p.A.

Personal role in the project: Java modules coding and performing related tasks. Having responsibilities for part of the project belonging to the application configure stage in preparing certain eSolutions (business and presentation layers).

Project description: Web-based project that allows customers to analyze the intellectual resources of a company, to place orders for software coders with skills needed and to hire new workers.

Personal role in the project: Business-logic modeling, Java modules coding and performing related tasks. Having responsibilities for part of the project concerning internal management processes, i.e. managing customers and orders lists, accepting and rejecting customers' profiles processes (business and presentation layers).

Project description: Java (AWT) and C++ (Win32 API) GUI front ends for managing some databases. Advantages: fast adding, viewing and removing records to/from database tables through JDBC/ODBC interfaces.

Personal role in the project: Java and C++ modules coding, database tables creating and modifying. Having responsibilities for the whole project.

Project description: Three packages for seeking optimal solutions:

Personal role in the project: Test problems formulating, mathematical programming algorithms exploring, and C packages coding. Having responsibilities for the whole project.

Personal role in the project: Test problems formulating, mathematical programming algorithms exploring, and Java/C++ packages coding. Having responsibilities for the whole project.

Personal role in the project: Developing appropriate algorithms; C and C++ packages coding. Having responsibilities for the whole project.