Summary

Expertise

Project Highlights

Education

Agency

OH

English:

Upper Intermediate

Oleh H.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Highly experienced full-stack web developer (JavaScript, TypeScript, React, Node, AWS )

Highly experienced full-stack web developer with over 15+ years of development for different companies. Designing solutions, new features, fixing security 2 performance concerns, deployment, coaching.

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Check if Oleh is available

Expertise

Years of commercial development experience

15 years of experience

Core technologies

React.js 10 years
TypeScript 9 years
Node.js 10 years
GraphQL 4 years
AWS 3 years

Other technologies

Express.js
JavaScript
MongoDB
MySQL
Oracle
PHP
PostgreSQL
HTML
Jenkins
Mocha
Redis
Docker
DynamoDB
Redux
SCSS
Jest
Next.js

Project Highlights

icon
Full-stack developer

Under NDA

Aug `20 - Sep `23

3 years

SoftJourn Inc

Developing new expense features and implementation of new business requirements

Responsibilities & achievements

- Developing new expense features and implementation of new business requirements or UX. MobX Zusta - Security fixes investigations, CVE list refinement, dependencies bump ups. Usually, it also includes code refactoring. - Tooling: Webpack configuration, deprecating Grunt, creating Gulp scripts - CI/CD: new Jenkins flow implemented, investigation of issues - Databases: Amazon, DynamoDB, MySQL - Testing writing and running unit, integration, E0E, and A/B tests - Integration: MS Teams, Slack - Integration: DataDog logging and tracking for microservices - Communication with PO: negotiating new features, accessibility, priorities, possible regression and security Mongo issues, downtimes - Communication with other team, discussing solutions, implementation options, architectural changes, estimating tasks 2 TD. - Code review and coaching teammates

AWS
Backbone.js
JavaScript
jQuery
Node.js
React.js
SQL
GruntJS
Jenkins
Sass
Gulp
Marionette.js
GraphQL
icon
Full-stack developer

Under NDA

Jan `20 - Aug `20

7 months

IoT

Web app that focuses on implementing weather solution

Responsibilities & achievements

Integrated flood warning and weather solution

CSS
Node.js
Raspberry Pi
React.js
SQL
HTML
icon
Software engineer

Under NDA

Nov `11 - Sep `23

12 years

UNDP

Implementing different projects that client desired to be done

Responsibilities & achievements

- Developing new features (Front-end, back-end) - Code maintenance & refinement - Code optimization

Express.js
JavaScript
jQuery
Node.js
PHP
React.js
Docker
Redux
Electron
GraphQL
icon
Software developer

Naftogaz

Aug `95 - Feb `10

15 years

Naftogaz of Ukraine

Software controlling piping exported natural gas Accounting software

Responsibilities & achievements

- Support of the web site

CSS
Delphi
JavaScript
jQuery
Oracle
PHP
HTML

Education

Higher education in Computer Science

Agency

Web & Mobile Application Dev agency #158

10-50

GMT+2

Zaporizhzhya/Ukraine, Kiev Ukraine

Core Expertise

ActionScript
AngularJS
Apache
Apache Cordova
AWS
Backbone.js
CSS
D3.js
Ember.js
Express.js
HTML5
Java
Java EE
JavaScript
jQuery
Knockout.js
Kotlin
Kubernetes
Magento
MEAN Stack
Meteor
MongoDB
MySQL
.NET
Node.js
PHP
React.js
React Native
Responsive Web Developer
TypeScript
UI
UX
WordPress
Apache Cassandra
Bootstrap
CSS3
ECMAScript
Ecommerce
Elasticsearch
Go
Golang
HTML
Java ME
MySQL Programming
NoSQL
Redis
Swift
Web Services
Adobe Illustrator
Adobe Photoshop Lightroom
Angular 2x
ES6
jQuery UI
MS SQL Server
Npm
RESTful API
UI Bootstrap
WebSockets
Bootstrap CSS
Docker
MariaDB
jQuery plugins
MySQLFront
Redux
ES5
Ethereum
Solidity
Vue.js
UIKit
UI Automator
AWS SDK
Mongoose
Blockchain
Flutter
AWS Lambda
Redux-saga
Vuex
Vuetify
Next.js
Nuxt.js

Industries

Architecture & Design, Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Mapping & Navigation, Sports & Fitness, Advertising & Marketing, Shopping & Loyalty programs, Photo & Video, Fashion & Style, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Food & Drink, Arts & Culture, Service & Support, Audio & Music, Blockchain & Cryptocurrency, Automotive

Want to hire this engineer?

Check if Oleh is available