Bell Integrator is a major system integrator providing traditional technological services and innovative services. Since 2003, we have been providing customers with a wide range of services and solutions in the field of innovative technologies.Senior Java developerDuties: Developing fault-tolerant, scalable, high-load Java microservicesParticipating in architectural decision-makingBack-end development, including integration with external information systems via… Show more Bell Integrator is a major system integrator providing traditional technological services and innovative services. Since 2003, we have been providing customers with a wide range of services and solutions in the field of innovative technologies.Senior Java developerDuties: Developing fault-tolerant, scalable, high-load Java microservicesParticipating in architectural decision-makingBack-end development, including integration with external information systems via APICollaborating with the product team and actively participating in product developmentConducting code reviews as part of the team, without a dedicated role for reviewProjects:Gazprombank (GPB). Middleware Services.Development of common microservices for product teams. For example, creating short links, storing static elements, storing personal user settings, configuring features and other servicesNational Payment Card System (NSPK). Electronic document management system.A system for exchanging data between banks in a secure environment. Including client-server architecture, data encryption (RSA), secure file storage and transferAchievements:Accelerated the creation of 7 million short links. Adding multithreaded link generation to the applicationImplemented maven-plugin for ci\cd automationDeveloped a general checklist for the code review and general rules for the description of data types in the database. Simultaneous translation of microservices from java 8 to 17 is provided. As a result, I have organized more than 30 weekly internal seminars with developers (more than 50 participants).Created a microservice for encryption and minio storage, architecture selectionStack: Java v8-17, Spring v5, Spring-boot v2, Gradle v6-7, Maven v3.6-3.8, Postgres v12-14, Docker, OpenShift, Kubernaties, Kafka, IBM MQ, Gitlab, Bitbucket Show less

Senior Java developerArchitects and designs software solutions that used daily by 350k+ users, the core of the enterprise infrastructure is built on top of Alfresco ECM.Duties:- Using Alfresco ECM as a core framework to build a custom ECM system for our company.- Development of APIs for data migration from various data systems across the company into the newly developed ECM system- Discussion of current tasks with the team lead and… Show more Senior Java developerArchitects and designs software solutions that used daily by 350k+ users, the core of the enterprise infrastructure is built on top of Alfresco ECM.Duties:- Using Alfresco ECM as a core framework to build a custom ECM system for our company.- Development of APIs for data migration from various data systems across the company into the newly developed ECM system- Discussion of current tasks with the team lead and customerAchievements:- Enhanced the daily integration process speed by x3 times by optimizing data access algorithms- Freeing up more than 1,000 hours/month of project support service by automating the processing of a large number of errors appearing during integration.Stack: ActiveMQ, Alfresco, Barcode4j, Chief, EWS, Bitbucket, GSON, Hibernate ORM, Ical4j, Itext, Java, JavaCSV, JavaScript, Jetty, Jgraphx, Jira, Joda-time, Jta, Junit, Lucene, Maven, Quartz, SLF4J, Solr, Spring framework, Xalan, Xstream Show less

Senior Backend Java DeveloperWrites code, tests, communicates with clients, presents projectsProjects:1) Software for the HBO television network (New York)Includes:- Web crawlers for automated search and collection of information on HBO partner sites that find inconsistencies in descriptions of films and TV shows of the company and alert content managers- Building a serverless distributed web crawler infrastructure based on Amazon Lambda 2) A system that… Show more Senior Backend Java DeveloperWrites code, tests, communicates with clients, presents projectsProjects:1) Software for the HBO television network (New York)Includes:- Web crawlers for automated search and collection of information on HBO partner sites that find inconsistencies in descriptions of films and TV shows of the company and alert content managers- Building a serverless distributed web crawler infrastructure based on Amazon Lambda 2) A system that automates the process of assessing the video content for Netflix (provisioning and distribution of video content to content managers and gathering assessment data)Achievements:- Migrated 20+ original web crawlers from PHP to Java, as a result, the collection of all data reduced from 1 week to a 1 day.- Covered 70% of the code with unit and integration testsStack:Amazon Web Services (AWS), Apache, Docker, Git, GitLab, Gradle, GRASP, GSON, Hibernate ORM, Java, Java Enterprise Edition, JavaScript, JDBC, JIRA, JSON, JUnit, Log4j, Model-View-Controller (MVC), MySQL, React, REST, SOLID, SQL, Tomcat, Web Services, XML Show less

PHP developer- Writing website code for company clients- Mentoring new developers- Discussion of current tasks with the team lead and customerAchievements:- Grown up from junior to senior developer - Creating own CMS-system for creating websites- Developed a website that attracted more than million dollars for a nonprofit organization in the field of educationStack:PHP, JavaScript, SQLite, HTTP, Laravel, Symfony, JDBC, Jira, JSON, Log4j, React, REST… Show more PHP developer- Writing website code for company clients- Mentoring new developers- Discussion of current tasks with the team lead and customerAchievements:- Grown up from junior to senior developer - Creating own CMS-system for creating websites- Developed a website that attracted more than million dollars for a nonprofit organization in the field of educationStack:PHP, JavaScript, SQLite, HTTP, Laravel, Symfony, JDBC, Jira, JSON, Log4j, React, REST, LESS, PostCSS, Gulp, Webpack, Babel, Gitlab, Sphinx, Elasticsearch, Redis Show less