Oleksandr Kostrov

Organize the workflow of the team from 4 developers:

- analyze business requirement

- decompose requirement into features tasks

- design system architecture

- deep learning and domain analysis to create the most real

and pure domain model

- create database schema

- mentoring 3 junior developers:

1) did code reviews, instilling in developers the

best programming practices

2) creating Personal Development Plans

3) Conduct team meetings to analyze developers productivity and distribute tasks in a most efficient way

Creating reusable UI components library on React.

Creating backend application for data and metrics collection from servers operating and file systems.

Creating CRM system:

Admin panel frontend - TypeScript + React + Redux Toolkit.

Client side application - TypeScript + Nextjs + Mobx

Backend:

Base - Nestjs, PostgreSQL,

Documents generation - Puppeter, exceljs, docxtemplater,

Message queues - Bull + Redis,

Auth - AWS-cognito

Creation of admin panel for managing business attributes using TypeScript, React, Mobx
Developing API for mobile marketplace platform, with online streaming services using Node.js, Postgresql, AWS, Websockets

Creation of e-commerce shop to sell wines across European countries using Pure JavaScript, React
and Node.js
Conduct technical review of the existing codebase, searching the issues/risks in the code and analyze their severity

Reviewed project specifications and designed technology solutions that met or exceeded performance expectations
Analyzed proposed technical solutions based on customer requirements

Develop application for client-business relations in

real estate industry using TypeScript, ReactJS, Redux, Saga, GraphQL, NestJS

Develop Social Network, specializing in a specific business area using TypeScript, ReactJS, GraphQL, NestJS, PostgreSQL, Jest, Storybook

Work on backend side for application that connects talents (bloggers) and employers for advertisement purposes (ExpressJS, MongoDB)
Development of a platform for online learning, applying ES6, ExpressJS

Provided guidance and mentored less-experienced staff members