Strong backend developer, who can be full stack if needed.
I have worked with payment systems, media processing services, implementing chats, posts, stories, streams and related functionality - access rights, tags, blocking; Have performed performance optimization at all levels - architecture, logic, code, queries. I have done adjustments and improvement code coverage by Behat tests. I have implemented the connection to the api of exchanges, developed uniform evaluation criteria, data normalization using the following stack: Node.JS + TypeScript + TypeORM + pm2 + Proxmox. For a berth rental service I have added the Stripe payment system, pages with statistics with highcharts.js charts. Optimization of AngularJS because due to the excessive number of watchers, the UI was very slow. Stack: Laravel 4.3 and AngularJS. Have set up network equipment EdgeCore, Juniper. Have developed security and anti theft systems. Monitoring and adjustment bottlenecks. Сoordinating of repair teams.