Java, Spring Framework, Spring Boot, Hibernate ORM, Crnk, JSON:API, Flyway, Gradle, Maven, CI, Gitlab, PostgreSQL, MySQL, Oracle, Docker, Linux, Astra Linux, smev, esia, Project management, Code review.Working in a team on projects to create and improve various information systems. Development of backend, business logic, API, process analytics, technical documentation.

Accomplishments:• Implementing new features for the multi-platform iOS and Android app using libraries and framework based on С++/Cocos2d-x engine according to basic design patterns.• Creating the new concept of composing layouts for the app screens in collaboration with the design team. Conversion of a major part of the project to the new design.• Layout of the visual part of the applications from objects using XML files with complex internal hierarchical structure.• Development of JSX scripts to automate the unloading of individual images and their parameters from multi-layer Adobe Photoshop PSD files.Technologies:C++, JSX (JavaScript for Adobe Photoshop scripts), Microsoft Visual Studio, SVN, Jenkins, Visual Studio code editor, Trello, Slack, XML

Accomplishments:• Development of applications to automate the document flow of the commercial bank from the top 30 in Russia. The applications automated acquiring, ATMs, sending statistics to the Central Bank, CRM, registration and storage of documents, execution control, report creation, etc.• Modification and bug fixing of legacy projects involving tens of thousands of lines of undocumented code in Java, JavaScript, Lotus Script using basic design patterns.• Integration of applications on IBM Lotus Notes/Domino platform with external services and databases using Web Service. Creation in code and parsing of files in the main formats: WORD, EXCEL, HTML, XML, JSON.• Creation of documentation and instructions for users and support service.Technologies:Java, JavaScript, Lotus Script, Web Services, SQL, Oracle, HTML, XML, JSON

Accomplishments:• Successful implementation of elements of Electronic Document Management System for work with web-clients.• Connection of two independently developed systems into one.• Analyzing a large amount of JavaScript code and bug fixes from previous developers.• Preparation of project documentation, instructions for administrators and users.

Accomplishments:Continued work in the merged organization, following the merger of the assets of mobile operators Tele2 Russia and Yeniseytelecom. In addition to previous responsibilities, new technologies were mastered to support the network infrastructure of the company.Technologies: IBM Lotus Notes Domino, Lotus Script, Lotus Mail System, Microsoft AD, Microsoft Exchange, PowerShell, DHCP, DNS, Hyper-V, VMware, HP ProCurve, HP Proliant Servers (iLo, HP SM), Red Hat Enterprise Linux

Accomplishments:• Leading the Electronic Document Management System support team.• Implementation from the ground up of an Electronic Document Management System in Russia's largest regional mobile operator. HCL Notes (IBM Notes/Domino) with an integrated e-mail system was used as the main platform.• Development of more than one hundred applications to automate the activities of the enterprise with a maximum of more than 1300 employees.• Integration of applications with a wide variety of external systems and databases.• Creating a reliable fault tolerance and backup system. In more than 12 years, not a single electronic document or email was lost. The system availability was about 100%.• Successfully achieved departmental KPIs, including service availability, licensing compliance, and positive employee feedback through effective communication.• Played a key role in the successful integration of information systems and IT infrastructure for two large enterprises during the regional operator Yeniseytelecom's acquisition by the federal Russian operator Tele2 in 2015.Technologies:Java, JavaScript, Oracle, Lotus Script, IBM Lotus Notes/Domino, Domino Clusters, Trend Micro Scan Mail, IBM Notes Traveler, SMTP, IMAP, POP3, CentOS Linux, Red Hat Enterprise Linux, Sendmail, Postfix, VMware, Hyper-V

Accomplishments:• Successful training of students on IT courses for developers and administrators evaluated by positively completed feedback forms• Uninterrupted operation of the network and all working computers in the company• Successful implementation of all items of the information security policy of one of the largest IT companies in Russia at the time