Костянтин

KONSTANTIN KARAS
Back-end developer
E [открыть контакты](см. выше в блоке «контактная информация»)  [открыть контакты](см. выше в блоке «контактная информация»)  Odessa, Ukraine

EXPERIENCE SKILLS

Web Developer PHP CURL MVC RedBeans php
Speroteck 11/2022 - 12/2023 Odesa, Ukraine
• Developed and maintained web applications, crafting and refining code PDO MODX Javascript Open TBS
using contemporary technologies and programming languages like HTML,
CSS, JavaScript, PHP, among others. JQuery Bootstrap Wordpress Tilda
• Engaged in collaborative efforts with cross-functional teams, contributing to
meetings and discussions to ensure project cohesion and effective SmartSender MorrisJS CORS
teamwork.
• Executed thorough testing procedures and debugging activities, identifying PHpOffice HTML Apache Stripe
and resolving errors to guarantee the seamless and flawless performance of
web applications prior to deployment.
LiqPay Portmone CSS MySQL

Project name Description REST PostgreSQL Git Linux

Step-to-pets Website for animals shelter
Windows Microsoft Office Wordpress

Full Stack Developer Debugging Functional Programming
Red Cross 01/2022 - 10/2022 Odessa, Ukraine
OOP Rest API Ajax
• Optimization of main website loading from 25s to 3s
• Fixed over 150 bugs front-end and back-end
• Added new page for company website

LANGUAGES
Project name Description
UKRAINIAN Native
Red Cross Kharkiv https://redcross.kh.ua/

ENGLISH Advanced
Junior PHP developer
Monitoring LLC 07/2017 - 07/2018 Odessa, Ukraine RUSSIAN Native
• Developed backend for e-store.
• Maintained database.
• Developed database architecture CERTIFICATION
• Supported team to achieve company goals
• Which of your achievements match the job you’re applying to? Salesforce certificate
Which institution issued the certificate and when?

Project name Description
Main website Company website with description of service , prices etc.
Pokupanda Digital e-store

PROJECTS

Sparks ticket
07/2023 Warsaw, Poland
Digital solution what helps to manage events/concerts ticket operations.
Providing web services for registration and booking, and scanting/validating
tickets.
• Developed front-end scratch
• Integration of Spotify API integration
• Stripe integration
• QR Code generator
• PDF system for generation of PDF documents
• Integration and modification of jQuery C-charts (render library for creation
map of the concert hall for place selection)
PROJECTS

Cross crypto-exchange arbitrage parser
01/2019 - 03/2019 Odessa, Ukraine
This solution helps to find coin chains between crypto markets and make
profitable transactions.
• Work with crypto api
• Optimization of speed processing calculations (crucial for trades)
• Curl, CORS, PHP
• What was a successful outcome of your work? (e.g. Raised $3,000 for the
charity)

Ski Federation of Ukraine
12/2020 - 02/2021 Odessa, Ukraine
Web application what helps to generate dynamical Word document exchange.
It's used for, Draw of lots for participants (Start protocol for 1st attempt), Start
protocol blue and red track, and 8 more protocols for championates.
• Work with Open TBS library (for document generation)
• Selected and applied optimal solution in the market.
• Created front-end interface

EDUCATION

Bachelor's in Computer Science
Interregional Academy of Personnel Management (IAPM) 01/2019

Associate's in Computer Science
Computer Technology College 'Server' 01/2017