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Summary

Expertise

Project Highlights

Education

Agency

VO

English:

Upper Intermediate

Vitaliy O.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

I am an experienced Full-Stack JavaScript Developer, Architect and Ruby on Rails Expert.

I have been working at Brocoders since 2017. I am a professional developer with a strong technical skill-set and commitment to every new project. I quickly learn and adapt to work in a new team. It is worth mentioning that I feels when the business expects good code, and when a quick solution. I am great team player, communicative, adaptable; well organized, quality-oriented and pays appropriate attention to details.

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Expertise

Years of commercial development experience

7 years of experience

Core technologies

Node.js 7 years
Nest.js 7 years
Ruby on Rails 7 years
React.js 6 years
TypeScript 5 years
Redux 6 years

Other technologies

AWS
Heroku
MongoDB
MySQL
PostgreSQL
Redis
DynamoDB
Solidity

Project Highlights

icon
Full-stack developer

The name of the project is under NDA

May `22 - May `24

2 years

NFT trading platform with marketplace for cryptocurrency exchange and trading system.

Responsibilities & achievements

- I wrote NFT solidity smart-contracts for Polygon network (ERC-721,ERC-1155). - I worked with metadata saved on IPFS within NFT.Storage. - I used Hardhat, ethers.js and Open Zeppelinlibs for backend.

React.js
Solidity
Nest.js
icon
Full-stack developer

The name of the project is under NDA

Jan `21 - May `22

1 year

An EU blockchain-based supply chain system to track and trace all data connected with goods (vegetables and meat) state: Genetics, Medical data, origin, transporting, certificates, etc with an additional toolkit for producers of goods.

Responsibilities & achievements

- I developed blockchain infrastructure. - I was responsible optimization of the work of the blockchain part of the project by transferring most of the business logic to the backend server-sid. - I wrote scripts fo migrating Postgre SQLDB to MSSQL Server via database dumps under limited access conditions.

React.js
Ruby on Rails
icon
Full-stack developer

The name of the project is under NDA

Sep `19 - Sep `20

1 year

Blockchain-powered solution for a leading consortium of Dutch food supply chain stakeholders. We were involved in building comprehensive architecture, design, and implementation of a private permissioned blockchain network for food traceability. This system empowers producers, processors, validators, and retailers to track their supply chains for specific products in real-time.

Responsibilities & achievements

- I created a boilerplate for deploying multi-channel HyperledgerFabric for HL Composer using bash, templates, Docker. - I increased the efficiency and performance of the loaded part of blockchain projects. I had to figure out the features of CouchDB. - I developed submodules for servicing blockchain projects on HLComposer starting from deployment and ending with backup/restoration of blockchain records.

React.js
AdonisJS
icon
Full-stack developer

The name of the project is under NDA

Sep `18 - Sep `19

1 year

Done some UI changes and fixes in the system for managing doctor's patients' documents, appointments, and lab tests. I also participate in developing dynamic forms for the admin panel of that system.

Responsibilities & achievements

- I successfully wrote the frontend of a dynamic admin panel in ReactJS in Typescript using MobX to replace Redux. - I developed a web application for a startup about B-n-B booking management.

Node.js
React.js
Redux

Education

Higher education in Computer Science

Agency

On-demand tech team agency #172

50-100

GMT

Sumy/Ukraine, Tallinn/Estonia

Core Expertise

Data Scientists
Elixir
JavaScript
Node.js
Python
React.js
React Native
Ruby on Rails
Tableau
TypeScript

Industries

Education & Science, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Advertising & Marketing, Social Media & Communication, Healthcare & Medicine

Want to hire this engineer?

Check if Vitaliy is available