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Ruslan Karachun

Software Engineer

About Me

I'm a web and mobile developer. Passionate with technology and programming. I'm working with frontend and backend. And I love this job!

Experience

Freelancer

FullStack JavaScript, Node.js Developer

Backend programming using Node.js. Design API. REST & GraphQL Frontend programming using React Native & React & Angular.js

TCP-Soft https://tcp-soft.com/

Technical Consultant

JavaScript (Node.js) backend programming. TypeScript programming. API Design. Frontend programming: Angular.js & React.js. Working with Rabbit-MQ, Redis, PostgreSQL MongoDB etc.

EPAM Systems https://epam.com

Test Automation Engineer

Automation testing. Python scripts. Testing large RAIDs. Analysis of defects. Correction test scripts. Refactoring. Testing UI. Tools: Selenum, Protractor-js, nightwatch-js, webdriver-js

Nival https://nival.com

System Engineer

Support and control game servers, sites, databases. Monitoring. Backup. Using system configuration software.

Education

Belarusian State University of Informatics and Radioelectronics

Bachelor of Computer Science

Projects

Frontend and Backend programming.

Used: Vue.js. Custom CSS. DApp integration. Backend API on Fastify. Swagger API. Tests. Date: 2024

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Frontend UI for Unix Anti-virus.

Frontend for Unix Anti-virus application. Used: React, React Hook Form and Bootstrap. Backend API on GoLang and communication via Rest-API and WebSocket. Date: 2023

REST API for Mobile App and Admin Panel (backend & frontend)

Programming backend REST API with Express.js, MongoDB. Programming frontend with React and ReactAdmin, JSON form. Others: Telegram Bot Api, Puppeteer library, DigitalOcean Apps hosting.

REST API for Mobile App and Admin Panel. Refactoring and bugfix (backend & frontend)

Programming backend Api with Express.js. MongoDB Programming frontend with React and Redux.

VK Mini App (backend)

Programming backend Api with Express.js, Sequelize and Typescript. Using: vk-io, canvas, jwt and other modules. Hosting: DigitalOcean

Temp Mail Service

Programming backend REST Api with Express.js and MongoDB. Programming frontend with React and Redux. Material UI styles. Mail server (MTA) haraka.js. Communication bus - RabbitMQ.

Backend for AGU Brushy mobile application

Programming backend Api with Express.js and MongoDB. Programming admin panel with React.js and React-Admin frontend Framework. DB design. API Design. Writing test with Jest. Infrastructure: Docker, docker-compose, AWS EC2.

ICO Guru Project

Code review. Some functions developnent. Parsers development. Frontend: jQuery. Backend: JavaScript, Node.js Express.js Parsers: Scrapy Python. Infrastructure: Docker, docker-compose, AWS (EC2, S3).

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FIE site

Redesign official FIE site. My role: FullStack Developer (worked in the team). Frontend: React (Preact), Axios. Backend: Node.js, Express.js, SocialMedia APIs. Build: Gulp

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Aggregator of Wholesales

Design and implementation of backend API. Using Python 3.6 features. Using Aiohttp and Gino for perfomance. Scrapy for parsing data.

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E2e Automation Testing

Web site testing. Using Javascript lang. Using frameworks: Jasmine Protractor Webdriver.

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Video surveillance through the Internet

The project is a cloud service that provides customers with a simple solution for the organization of video surveillance via internet, creation and storage of video recordings. Lang: Python. Frameworks: Flask, SQLAlchemy, Swagger. Database: PostgreSQL. Technologies: REST-API, JWT, Heroku, Git.

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Pharmacode support for ZXing library

I modified and shared ZXing library and Android application with Pharmacode support. Here is some information and HowTo Technologies: ZXing, Maven, Android, Java.

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Skills

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