Logo
Kostiantyn – Laravel, React, PHP, experts in Lemon.io

Kostiantyn

From Ukraine (GMT+3)

flag
Full-stack Web DeveloperSenior
Hire developer
18 years of commercial experience
Advertising
Automotive
Business intelligence
Cryptocurrency
Data analytics
Gambling
Job and career services
Recruiting
Dev tools
Lemon.io stats

Kostiantyn – Laravel, React, PHP

Kostiantyn is a very experienced and pleasant candidate. He has a lot of experience with PHP. He started with the 4th version, and the latest thing he worked on is 7.4, which is now mainly used on projects. Nevertheless, he knows a lot about the 8th version. It is clear that he is interested in what he does and uses the updated features provided by the language. His 13+ years of experience include working on gaming platforms, a job-hunting marketplace, and a multi-cloud platform.

Main technologies
Laravel
4.5 years
React
4 years
PHP
16 years
Additional skills
Git
Docker
PostgreSQL
Nginx
Ionic
Redis
Node.js
SQL
HTML
Tailwind CSS
Linux
Angular JS
AWS
REST API
Python
Symfony
CSS
Rewards and achievements
June 2024: Vlada Summary
Ready to start
The sooner the better
Direct hire
Potentially possible

Experience Highlights

Senior Full-Stack Developer
Dec 2021 - Jun 20225 months
Project Overview

The Ultimate Data ToolKit for Data Collection. The proxy provider for web scraping and monitoring.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Implemented new features;
  • Optimized the slow code and queries where possible;
  • Cleaned up the codebase;
  • Removed useless dependencies;
  • Designed several new Rest-API;
  • Revised and improved security.
Project Tech stack:
PHP
Laravel
Docker
MySQL
openresty
Full-Stack Developer / Architect / DevOps
Mar 2019 - Dec 20201 year 9 months
Project Overview

The project is a legal online poker.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Communicated with the client to discuss requirements and provided estimates;
  • Created the templates according to the given design;
  • Customized template handling for marketing, copywriters, and SEO;
  • Managed GTM;
  • Designed the database structure to manage players and protect from fraud using phone/email validation;
  • Integrated with the game server using SOAP;
  • Added integration with the services to send/validate SMS/emails;
  • Created required plugins and jobs for the project;
  • Optimized performance on both front-end and backend;
  • Deployed to the cloud using custom images.
Project Tech stack:
PHP 7.4
OctoberCMS
Laravel
Redis
Openresty
Docker
Jelastic
PostgreSQL
Full-Stack Developer / Team Lead
Nov 2016 - Nov 20182 years
Project Overview

A marketplace for customers and employees to find a matching person/job, sign contracts, manage and report billable hours and send/receive payments using cryptocurrency.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Communicated with the client to negotiate requirements;
  • Provided estimates and reported the progress;
  • Managed a team of 3 developers and 1 QA;
  • Selected tech stack;
  • Researched and designed the architecture;
  • Developed the components;
  • Optimized performance;
  • Developed features: API and middlewares, JWT auth, custom components, live updates using websocket (Pusher), and multilingual support without page reloading.
Project Tech stack:
PHP 7.1
Laravel 5.5
React
PostgreSQL
Redis
Node.js
Nginx
Docker
Support Team Lead
Sep 2013 - May 20151 year 8 months
Project Overview

A cloud platform that facilitates developer's life while deploying.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Managed and taught a team of 3 support engineers;
  • Switched to 24/7 schedule;
  • Classified and reported major issues if they cannot be addressed by the support team;
  • Arranged training for new clients.
Project Tech stack:
Linux
Openvz
Networks

Education

1997
Automation and Management
not graduated

Copyright © 2024 lemon.io. All rights reserved.