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

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.)

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.

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.

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

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