Participate in supporting and scaling a large-scale web application designed for hotel business management

• Head the Front-End Core Team which focused on cross-team technical support, research and integration of modern technology solutions throughout the organization’s codebase
• Develop of JavaScript SDK library for collecting analytics data with events aggregation, fingerprinting, etc.
• Create of common modules for microfrontend apps ecosystem - like shared state, message bus, typesafe api, etc.
• Participate in the technical committee of engineers, conducting technical interviews

• Lead a team of 5 frontend engineers that creates business features were delivered to production through A/B testing in close cooperation with BA and designers.
• Conduct tasks decomposition, poker planning, pair programming, knowledge sharing and other activities with my team, that affected the quality and speed of feature delivery
• Setup CI/CD for front-end projects using monorepo tools, gh-actions, AWS and code coverage with tests
• Participate in the technical committee of Engineers, conducting technical interviews

• Refactor of a large SPA application, which included:
  • React migration from 14 to 18 version and rewriting old class components.
  • Migration from Coffeescript to Typescript
  • Replacing the state manager from Flux to Redux as a core state manager and adding independent small reactive state services.
  • Adding client routing and improving web performance and page speed
  • Setup complex virtualization to the large lists of data
  • Integration Monorepo and separating reusable company code in private packages, connecting and support them for the all teams.
• Architecture design and running from scratch CRM MVP internal project.

• Page Speed Optimization using lazy loading, code splitting and reducing bundle size.
• Creating and editing live charts for BTC price, orders, exchange rates and other trading features using TradingView API and Highcharts.js library.
• Development of real time data updates using websockets and throttling best practices

• Manage an internal MVP media-buying project with a team of backend engineers and QA from planning to service launch
• Develop of admin dashboard for mobile applications promotion service

• Support and enhancement of mobile applications (iOS/Android) developed using React-Native
• Building web applications using React/Redux

• Creating websites using Wordpress and PHP
• Monitoring website performance and rectifying front-end-related issues
• Bringing mockups to life using HTML, CSS, jQuery