Summary

Expertise

Project Highlights

Education

Agency

OR

English:

Upper Intermediate

Oleksandr R.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

A skilled back-end developer

A skilled back-end developer with 4 years of experience in commercial software development. A quick learner who is ready to use new technologies and tools; focuses on delivering the best possible solutions, and works in a dynamic and challenging environment. A team player who is always ready to help others. Open to everything new that can help develop or improve hard skills as well as soft skills. Some of the visited conferences: 2012 Microsoft tech summit 'Virtualization and Cloud computing’, Ukraine 2013 Microsoft tech summit 'Azure Days’, Ukraine 2015 9th European Conference on Software Architecture (ECSA 2015), Croatia 2016 JavaScript Days 2016, Germany 2017 Jsday 2017, Italy 2017 ReactiveConf 2017, Slovakia 2018 International JavaScript Conference, Germany

Want to hire this engineer?

Check if Oleksandr is available

Expertise

Years of commercial development experience

4 years of experience

Core technologies

JavaScript 4 years
Node.js 4 years
TypeScript 4 years
Express.js 3 years
PostgreSQL 4 years
Docker 4 years

Other technologies

AWS
CSS
Express.js
Kubernetes
Linux
MongoDB
Windows
Google Maps API
HTML
Redis
Twilio API
Npm
TeamCity
Webpack
Docker
DDD
SCSS
WebStorm
GitLab
Jest
Moment.js
Lodash
Nest
GraphQL
Yarn
VS Code
Koa.js
Firestore
Firebase

Project Highlights

icon
Back-end engineer

NDA

Dec `20 - Sep `21

9 months

Real Estate Project

Responsibilities & achievements

The backend for CMS and App supporting. Development of new features, refactoring with Clean/Hexagonal architecture style and OOD, DDD principles.

API
AWS
PostgreSQL
Elastix
RESTful API
Docker
Nest
GraphQL
icon
Back End Engineer

NDA

Dec `20 - Sep `21

9 months

Real estate project

Responsibilities & achievements

CMS and Customer App backend development. Unit/End to end tests writing. Email messages parser for various email agents development.

API
PostgreSQL
Elasticsearch
Twilio API
RxJS
Nest
GraphQL
icon
Back-end developer

BeeBolt

May `20 - Dec `20

7 months

SPRING

Business Delivery Platform

Responsibilities & achievements

Admin Panel, Driver App (delivery app), and Customer tracking app backend (from scratch) development. Delivery optimization algorithms development. Participating in a full cycle of features development and writing end to end tests.

GIS
PostgreSQL
Google Maps API
RESTful API
Docker
RxJS
GitLab
Nest
icon
Back-end developer

Flopanda

May `20 - Dec `20

7 months

SPRING

Advertising service for ads performance tracking

Responsibilities & achievements

New features development, existing codebase refactoring. Performance optimization (MongoDB queries and code performance).

AWS
Express.js
MongoDB
Node.js
Docker
GitLab
icon
Back-end developer

SevenApp

Oct `19 - Apr `20

6 months

SELECTO

Social Media Application

Responsibilities & achievements

Full cycle features development. End to end tests writing. A database schema for social main and chat applications development. Social media app, chat app (from scratch) development. Dialogflow chatbot development.

AWS
MongoDB
Node.js
PostgreSQL
RESTful API
TeamCity
Docker
RxJS
Nest
GraphQL
Google Cloud Platform
Firebase
icon
Back-end developer

Yager

Oct `19 - Apr `20

6 months

SELECTO

Hunts Booking Platform

Responsibilities & achievements

Koa.js development (from scratch). Database design.

Node.js
PostgreSQL
Docker
Firebase
Knex.js
icon
Full-stack developer

NDA

Apr `19 - Sep `19

5 months

Freelance

Content management multilingual product website and admin panel development

Responsibilities & achievements

JavaScript
Node.js
icon
Full-stack developer

NDA

Jun `17 - Feb `18

8 months

Web Application for Tracking

Responsibilities & achievements

Landing pages development. Internal advertising network API development. Landings pages tracking app support

CSS
JavaScript
Node.js
HTML

Education

Higher education in Computer Science

Agency

Software product development agency #822

100-400

GMT+2

Lviv, Ukraine

Core Expertise

AngularJS
API
App Development
ASP.NET
ASP.NET MVC
AWS
Azure
C#
Cloud Engineer
D3.js
Database Developer
DirectX
Express.js
Google API
HTML5
Java
JavaScript
Kotlin
Kubernetes
Machine Learning
Microsoft
MongoDB
MySQL
.NET
Node.js
Objective-C
OpenGL
Oracle SQL
PostgreSQL
Python
QA
React.js
SaaS
Silverlight
Software Development
SQL Server
Stripe
Telerik
Twilio
TypeScript
UI
UX
VB.NET
Visual Basic
Visual Studio
Web Development
WebRTC
WPF
Xamarin
Apollo
Cocoa Touch
CSS3
Data Visualization
Desktop Applications
DevOps
Entity Framework
Git
Go
Golang
Highcharts
Jenkins
Kendo UI
Mac Os Apps
Microsoft SQL Server Programming
Microsoft Visual Studio
Microsoft Windows Azure
Mobile
Mobile App Testing
OAuth
Redis
Sass
Scrum
Swift
Twilio API
Unreal Engine
Windows Communication Foundation (WCF)
Adobe Illustrator
Adobe Photoshop
Mobile UI Design
Responsive Web Design
Sketch
Web Design
Website Prototyping
Website Wireframing
Wireframing
MS SQL Server
RabbitMQ
RESTful API
UI Bootstrap
Webpack
Bootstrap CSS
Docker
SDLC
ASP.NET Web API
Redux
WPF MVVM
MVC
Three.js
Web Forms
Back End
UIUX Design
Electron
Vue.js
UIKit
Graph
RxJS
AWS SDK
GitLab
Chart.js
Axios
MVP patterns
MVVM patterns
Microservices
Bitbucket
Adobe XD
Cyber security
HIPAA
Google Cloud Platform
.NET Core
MVVM Prism
MVVM Light
Figma
AWS Lambda
Material-UI
Azure Cosmos DB
ML.NET
SwiftUI
MVP products
Kafka

Industries

Logistics & Transportation, Banking & Finance, Travel & Tourism, Healthcare & Medicine, Accounting & Auditing, Energy

Want to hire this engineer?

Check if Oleksandr is available