Oleh Senior Senior Full-stack developer with 15+ years of experience | Programming: React.js TypeScript Node.js GraphQL AWS

Summary

Expertise

Project Highlights

Education

Agency

English:

Upper Intermediate

Oleh H.

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Senior Full-stack developer with 15+ years of experience

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

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, and dependency bump-ups. Usually, it also includes code refactoring. • Tooling: Webpack configuration, deprecating Grunt, creating Gulp scripts. • CI/CD: A new Jenkins flow was implemented, and issues were investigated. • 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, and downtimes. • Communication with another 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

Full-stack developer

Under NDA

Jan `20 - Aug `20

7 months

IoT

Web app that focuses on implementing weather solutions.

Responsibilities & achievements

• Integration of flood warning and weather solutions.

CSS

Node.js

Raspberry Pi

React.js

SQL

HTML

Software engineer

Under NDA

Nov `11 - Sep `23

12 years

UNDP

Implement different projects that the client desires 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

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 website.

CSS

Delphi

JavaScript

jQuery

Oracle

PHP

HTML

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Oleh is available