Sergey Middle ReactJS and UX Engineer | Programming: JavaScript ECMAScript React.js UX

1 Likes

Sergey S.

Last update: 15 Jul 2019

MIDDLE

ReactJS and UX Engineer

Hey there, I’m Sergey! With my roots in website development, I feel that I bring a unique perspective to user experience in development. Each position I have held has transmuted my skillset and goals towards forward-thinking technology. I am obsessed with expanding my craft, solving challenging problems and staying on the bleeding edge.

Key Skills
- Javascript / JS OM
- EcmaScript
- HTML, CSS, JS
- React.js
- Flux / Redux
- Bable / Webpack / NPM
- Isomorphic React
- BEM
- GraphQL / REST
- UI / UX Design
- Benchmarking and optimization

JavaScript 3 years ECMAScript 2 years React.js 3 years UX 1 year

All rates are indicative, annual rate includes 20% discount

20% discount on yearly basis

Usually responds within 1 hour

GMT+2 East Europe

Lviv/Ukraine, Krasnodar/Russia Federation, San Francisco/USA

Works

‹ › ×

TECH STACK

Front End

Programming Languages:

CSS JavaScript ECMAScript HTML Babel GraphQL

Development Tools:

Npm Webpack

Other skills:

UI UX REST BEM

Libraries/Frameworks/Tools:

React.js Redux

EXPERIENCE

Industry Experience

Healthcare & Medicine, Business & Productivity, Beauty & Personal Care

Product Experience

Healthcare, E-commerce website

PORTFOLIO HIGHLIGHTS

Jan `18 – Jan `19

1 year

HealthCare App

Front end developer

Healthcare is a cross-platform mobile application that opens the doors into the world of modern and efficient healthcare experience. The app allows building personalized and comprehensive treatment plans with all the necessary information for optimizing your care right from your smartphone. Being HIPAA compliant, Healthcare ensures full data integrity and protection.

Technologies Stack:

React.js GraphQL

Industry:

Healthcare & Medicine

Product:

Healthcare

May `17 – Dec `17

7 months

Cronycle

Front end developer

Cronycle is a high-load content aggregation and parsing service to create new content. Cronycle takes the noise of mass media and provides users with only the content that matters to them most. With its powerful Boolean search filtering, they can create highly customizable feeds that deliver exactly what they’re looking for.

Technologies Stack:

React.js

Industry:

Business & Productivity

Works:

Mar `16 – Aug `16

5 months

trèStiQue

Front end developer

trèStiQue is an online beauty store that offers a wide range of easy-to-use makeup essentials. The client contacted us for help with various website improvements as well as marketing activities.

Technologies Stack:

HTML5 jQuery React.js

Industry:

Beauty & Personal Care

Product:

E-commerce website

Works:

EDUCATION

Faculty of Information Systems

Systems Engineering, Master Degree

Web & mobile development agency #171

50-100

Lviv/Ukraine, Krasnodar/Russia Federation, San Francisco/USA

GMT+2

Core Expertise

AWS Cassandra CSS Elixir Ember.js Heroku Java JIRA jQuery Kotlin Kubernetes MongoDB MySQL Node.js Objective-C Phoenix PostgreSQL React.js React Native Ruby Ruby on Rails Shopify Spree Commerce Xcode Elasticsearch Git Golang HAML HTML Redis RSpec Swift Android Studio Ansible Capybara Dagger 2 ES6 PgAdmin Postman Project management RxJava Sidekiq Slim Sublime Text Realm Docker REST API PhantomJS SCSS iOS Operating System Android Operating System APNS MVP patterns GraphQL

Industries

Education & Science, E-Commerce & Retail, Entertainment & Games, Construction & Real estate, Sports & Fitness, Advertising & Marketing, Photo & Video, News & Media, Statistics & Atalytics, Fashion & Style, Healthcare & Medicine, Safety & Security, Food & Drink

Founded in 2010, our company comprises more than 100 employees and includes three offices worldwide: two Research & Development offices in Ukraine and Russia, and a client relations office in San Francisco, California. With skilled teams specialized in development of SaaS applications, CRM, ERP, Ruby on Rails-based E-Commerce solutions of any complexity and mobile applications, we have everything necessary to deliver high-quality expertise and services to our clients. In business, building long-term partner relationships has always been a primary goal for us. Our portfolio includes a wide range of projects for organizations of all sorts - from small startups to solid corporations like Financial Times (http://ft.com/) who we’ve been collaborating with for more than 3 years.

MORE TALENT AVAILABLE AT THIS AGENCY

Mikhail L.

Passionate Android developer (Kotlin / Java)

I’m an engineer with a passion for creating mobile apps. In my job I like to resolve interesting and complicated tasks. I’ve been developing android applications for 2 years – the last handful using K...

Java 2 years Kotlin 1 year +12 Java Kotlin Realm Android SDK JIRA Android NDK Android Operating System Dagger 2 RxJava MVC MVP patterns MVVM patterns

4 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Dmitriy S.

iOS Engineer with a huge fan of all innovation

My main specialization is iOS development, but I am not looking only in Apple ecosystem and interested in other technologies. I like to make the world better using innovative methods, techniques and o...

Objective-C 2 years Swift 2 years +25 Objective-C Swift CoreData SQLite Realm Git Jenkins TeamCity Fabric SDK fastlane TestFlight WatchOS iOS Operating System MapKit CocoaPods iOS SDK Swagger UIKit APNS Agile SOA Object Oriented Programming (OOP) REST SOAP GraphQL

6 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Igor F.

Result-oriented iOS engineer (Swift / Objective-C)

Experienced and result-oriented iOS developer who uses the most innovative solutions to solve problems of varying complexity. I make it my goal to create readable and easily maintainable source code....

Objective-C 2 years Swift 2 years +23 Objective-C Swift CoreData SQLite Realm JIRA Xcode Git Sketch AppCode fastlane iOS Operating System Design Patterns WebSockets iOS SDK Swagger APNS Google Maps Object Oriented Programming (OOP) REST Scrum Unit Testing GraphQL

4 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Ivan N.

iOS Platform Solution Engineer (Swift / Objective-C)

Proven and responsible iOS application developer with experience in startups. Having excellent critical thinking and problem-solving skills and exceptional ability to work in a fast-paced high-pressur...

Swift 4 years Objective-C 5 years iOS SDK 5 years iOS 5 years Xcode 5 years +38 Objective-C Swift CoreData SQLite Realm Xcode Git Jenkins Fabric.io ReactiveCocoa TeamCity XCode command line tools Fabric SDK fastlane Apple Profiling Tools TestFlight WatchOS iOS Operating System CocoaPods iOS SDK Swagger APNS Agile App Store SOA Object Oriented Programming (OOP) REST Scrum SOAP Sketch Design Patterns Project management Prototyping Kanban Team Lead Zeplin RestKit GraphQL

6 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Viktor P.

Ruby on Rails & Spree developer with an appetite for optimization

My name is Victor, and I'm a Ruby Backend developer, computer geek, and loving father. My point is attention to details and urge to optimization. I never pass up on an opportunity to improve my master...

Ruby on Rails 4 years Spree Commerce 3 years JavaScript 4 years PostgreSQL 4 years +25 JavaScript Python Ruby MySQL PostgreSQL Elasticsearch Redis Apache Kubernetes Cucumber Nginx RSpec Ansible Docker Minitest Unit Tests Linux Ruby on Rails Shopify Spree Commerce Behavior Driven Development (BDD) Git JSON SOAP Test Driven Development

2 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Alexey B.

Middle Ruby on Rails developer, Spree Commerce Expert

I'm a software engineer and I'm glad to be working for JetRuby. I've undertaken programming 4 years ago , during this period I've worked with various programming languages to name a few - Ruby on Rail...

Ruby on Rails 4 years Spree Commerce 3 years PostgreSQL 4 years JavaScript 4 years Vue.js 1 year React.js 2 years +34 JavaScript Python Ruby SQL HTML MySQL PostgreSQL Elasticsearch Redis AWS RSpec Docker Minitest Unit Tests Linux Ubuntu Ajax jQuery React.js Ruby on Rails Webpack Redux Vue.js Facebook API NetSuite Shopify Spree Commerce Twitter Behavior Driven Development (BDD) Git REST Scrum Test Driven Development REST API

3 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Alexander B.

ReactJS Engineer with Project Development Experience

Hi, my name is Alexander and I am a front-end developer. I am 29 years old. I have education in the field of information security. Used to work as an information security specialist and project manage...

HTML 3 years JavaScript 3 years React.js 2 years +12 JavaScript ES6 ES5 Babel Npm Webpack Express.js Node.js React.js Redux Vue.js REST API

3 Projects completed

GMT+2 East Europe

All rates are indicative, annual rate includes 20% discount

view Profile

Updated: 15 Jul 2019

Michael S.

Experienced Frontend Developer ReactJS | React Native

I have been occupied with programming for many years already and I can certainly say that I cannot imagine myself in any other role or position. I like being involved in the whole process of creating...