Position: Front-end developer
Category: JavaScript
English level: upper
Years of experience: 3

Have experience with WebGL(OpenGL), worked with binary arrays for media data(TypedArrays), and MediaRecorder API. Also worked on optimizing for mobile. Made a lambda function for AWS on Node.js
Built apps for visualization data on different types of charts. 10-50k of dots from different collections. Usual challenges are mapping, applying a few filters, different analytics, and showing the reliable result (yes, everything on the frontend side)
Worked on video and data visualization platforms. Main technologies is ReactJS(few experience with class components), Typescript, Javascript, Material-UI Redux, Highcharts, ECharts, NodeJS, NextJS, HTML5, CSS(preprocessors, JSS)