Volodymyr Gubarkov Email & Phone Number

London, England, Gb

CTO at CML Team LTD, with a mandate to create an Engineering team capable of sustaining the company's business growth. Responsible for all company technological resources. This involves designing, developing and delivering best-in-class products and services for our clients’ use both on premise and in the cloud. Managing a team of 20 people, divided between contractors, part-time employees and full-time employees, with skills crossing Mobile, Web and Backend development. Responsibilities - Establishing company technology vision, strategies, and plans for growth;- Defining Hiring strategy and practices; - Setting up an Engineering Roadmap for the company and ensure it can sustain the company's business plans; - Working on the Re-architecture of CML Team LTD clients’ systems;- Defining Development Practices and Standards;- Setting up Agile Working processes based on business KPIs;- Setting up supervising and quality assurance processes;- Setup of conflict resolution processes; - Working with Engineers to support their career development plans and ensure they fit with the company's strategy; - Managing costs for the Engineering Department, including people (new hires, raises), infrastructure and training (conferences, books, courses);- Setup and implementation of a Company-Wide Change management program, affecting culture, work rules, communication and employee evaluation. Tech stack: Java, Python, JS, C++ | Oracle, MS SQL, PostgreSQL, Redshift, MySQL | Spring Boot, Spring Framework, Node.js, Hibernate | ReactJS, Vue.js, Angular | React Native, Ionic, Flutter | Ethereum, Solidity, Smart Contracts, including ERC20, ERC721, Oraclize | Docker, Ansible, Rundeck | ELK (Elasticsearch, Logstash, Kibana), Newrelic, Prometheus | Tomcat, Weblogic, Glassfish, Apache HTTP Server

New York, Us

ALICE is a mobile-first global hospitality operations platform that is re-inventing how businesses can use cloud technology to improve their customer service. In an industry of fragmented solutions, ALICE provides a streamlined platform to serve the needs of staff, guests, and management in one front-of-house and back-of-house system. ● Implemented user web-interface based on AngularJS and RESTful services, server backend logic (Grails controllers/services), image uploading/resizing/storing/serving functionality● Designed database structure, optimized SQL queries, tuned database setup and caching● Implemented integrations with many third party systems (PMS, Twilio, HotSOS, bt.tn, Exavault, IMAP, Mixpanel, NewRelic, etc.)● Implemented a micro-service for PDF printing● Implemented advanced centralized systems logging based on ELK stack● Implemented a full text search subsystem based on Elasticsearch cloud● Optimized system performance (Groovy, Java, SQL)● Did some DevOps (Rackspace, DigitalOcean, AWS EC2, ELB, RDS, S3, Atlassian Bamboo, etc.)

New York, Ny, Us

Wide range of software design and implementation projects in financial, banking, hospitality, education, healthcare domains. Full-stack developer working with DB, back-end, front-end, system integrations, server applications.

New York, Ny, Us

IBRF ProtoTracker Designed and implemented a web-based medical application for tracking clinical treatment protocol data for the IBRF - organization dealing with treatment of brain diseases/injures. ● Implemented user web-interface based on JQuery and Twitter Bootstrap● Implemented server-side logic based on Spring Web MVC framework and Apache Tiles● Designed database structure, optimized SQL queries, tuned database setup and caching (Hibernate+MySQL)● Implemented audit subsystem that tracked changes for all database entities, generation of PDF versions of application screens for printing, documents uploading/storing/serving functionality● Set up Linux environment for web-server and database based on Amazon EC2/RDS infrastructure● Configured application to work through secure connection (HTTPS)● Implemented bunch of bash scripts for one-click (re-)deployment of application.

New York, Ny, Us

Stalin Digital Archive for Yale University PressDesigned and developed a social educational website for providing access for the corpus of Stalin Digital Archive to students and other interested parties (through subscription). The archive itself is a large number of XML files with data (digitized books, letters, historical documents) and meta-data plus many image files. The problem was to give user-friendly access to all this information through a Stalin Digital Archive website, to give users ability to navigate/search/discuss/bookmark/and so on through all documents in archive. ● Participated in implementation of Web UI based on Drupal CMS and JQuery. Developed a number of Drupal modules for the site● Designed database structure, optimized SQL queries, tuned database setup and caching● Created a Java Web Start application for importing (synchronizing) archive content to site database● Implemented a full-text search subsystem for flexible searching through the content of the Archive

New York, Ny, Us

InstiHire – Sales Force AutomationParticipated in development/maintenance of web-based contact-management system for sales force automation based on Java technologies● Implemented number of user web-interface screens on ExtJS framework● Designed database structure, optimized SQL queries, tuned database setup and caching● Implemented application logic using Spring Framework● Worked on integration of the application with MS Exchange Server● Participated in implementing full-text-search functions of the system based on Apache Lucene library● Unit-tested application code● Participated in migrating application from SQL Server to PostgreSQL database