Oleksandr

🇺🇦 Oleksandr
🇵🇱
Galytskyi
Current location: Poland

More than 14 years of professional PHP development.
PHP Developer I have previous work experience with various projects: travel startup,
14 years of professional education system, high-loaded traffic management system, adult content
experience networks, government medical services management system, stock market
analytics system, etc.
Email:
I prefer to use and work with well-architected code developed using
SOLID principles, but I am tolerant of legacy code and rapid solutions. I
[открыть контакты](см. выше в блоке «контактная информация»)
am inspired by Domain Driven Design (DDD), Clean code, proper
layering, and layered architectures.
Skype:
I have a strong understanding of the importance of testing and levels of
patrik71111 testing approaches (unit, integration, functional, feature, etc).

I also have experience working with frontend frameworks such as React.js
and Vue.js, and I would like to improve my skills in frontend development.

I am deeply convinced that the work of a modern developer involves
constant self-education, and therefore, I am open to learning and gaining
new experiences.

Soft skills: responsible, communicative, able to work in a team, non-toxic,
good sense of humor.

I am looking for long-term and mutually beneficial cooperation with a
friendly, cozy, and non-toxic company or team.

Programming Languages

Frameworks

Databases

Technologies
API’s

Operating Systems

Foreign Languages 🇺🇸 English: B2 (upper intermediate)

LinkedIn profile [открыть контакты](см. выше в блоке «контактная информация»)

Partial Summary of Work Experience

Tech Lead / Senior PHP Project: professional chess classes and camps for children and
developer students
Chess Wizards An online system for parents and instructors, to buy tickets and
December 2023 - present time register children to chess lessons, tournaments, camps, etc.

Instructors and managers have an administrative panel for
managing schools, instructors, salaries, reviews about instructors,
etc.
Country: USA
Team size: ~10
Responsibilities:
Development of new features
Team coordination
Сoordination of business requirements and software
implementation
DevOps improvements
Tech debt elimination
Strategic and tactical planning
Unit test coverage
3rd party API integration
Code review
Technologies:
PHP 5.-8.*, Symfony 6, API-platform 3.2, Laravel 10, Yii 2,
MySQL, Redis, RabbitMQ, PHPUnit, Bitbucket, Docker,
Bitbucket pipelines
Senior PHP backend developer Project: Electric car charging management system.
June 2023 - December 2023 A web interface for an innovative electric vehicle charging
Sphere Partners management system, designed to ensure efficient and smart
(6 month contract) management of the charging process.
Country: UK
Team size: ~150
Responsibilities:
Updating PHP version of microservices
Upgrading Laravel-based microservices to the latest versions
Refactoring of existing microservices
Unit test coverage
3rd party API integration
Code review
Technologies:
PHP 5.*-8.2, Laravel 4-10, Lumen, MySQL, PostgreSQL,
Redis, Github, PHPUnit, Mockery

Senior PHP backend developer Project: A fintech/edtech system.
/ Architect A fintech/edtech system for individuals interested in learning how
Aimprosoft to become investors who want access to investment tools, livestock
December 2020 - April 2023 data, market insights, and recommendations.
Country: USA
Team size: ~30
Responsibilities:
Development coordination
Database design
REST API design
3rd party API integration
Code review
Mentoring of middle and junior developers
Technologies:
Laravel 7-9, MySQL, Redis, Bitbucket, PHPUnit, Vue.js,
Intrinio API, Contentful API, Recurly API, Blueshift API, Vimeo
API, Yahoo Finance API, Facebook API, Google API
 Project: Healthcare service management system.
A government healthcare service management system for EU
citizens. This system allows users, medical specialists, officials,
and private clinics to schedule appointments, prescribe treatments,
and handle payments or receive government compensation for
treatments.
Country: EU
Team size: 10
Responsibilities:
System architecture
Development and implementation of new
functionality
Deployment and code delivery
3rd party API integration
Code review
Technologies:
Symfony 5.*, Api-Platform 2.*, MySQL, Bitbucket, RabbitMQ
PHPUnit, React.js, Docker, Gitlab, Gitlab CI/CD

Full stack Developer Project: An internal personnel management system.
(part time remote position) An internal personnel management system for overseeing supplier
May 2020 - Oct 2020 workflows: processing the receipt and unloading of goods, reviewing
duty schedules, managing worker replacements, booking vehicles
and equipment, receiving information about fines and rewards, and
handling important notifications, among other tasks.
Country: USA
Team size: 5
Responsibilities:
Development and implementation of new functionality
Database design
Development and support of microservices
Frontend development
Mobile app support and development of new features
Technologies:
PHP 7.4, Symfony 5, React.js, React Native,
MySQL, Node.js, Swagger, PHPUnit

Senior PHP backend developer Project: A travel startup.
at covered by NDA A travel startup that allows travelers to find a guide or assemble an
(full time remote position) audience for tours of local attractions, and rental accommodations,
Jun 2019 - Feb 2020 purchase museum or theater tic, organize a time, find a translator
for the excursion, and so on.
Country: Netherlands, France
Team size: 12
Responsibilities:
Development and implementation of new functionality in
customer and partner area
Test coverage improvement
Payment systems integrations
Technologies:
PHP 7.*, Symfony 4.*, API-Platform, Phalcon Framework,
MySQL, Node.js, Swagger, PHPUnit
Senior PHP backend developer Project: Affiliate program & a direct advertiser.
at affmy.com An affiliate network and, simultaneously, a developer of unique
(full time remote position) solutions for affiliates’ conversion growth.
Feb 2019 - Jun 2019 Country: Cyprus
Team size: 30
Responsibilities:
Design and development of applications
Debugging and fixing code issues
Payment systems integration
Technologies:
PHP 7.3, Symfony 3, MySQL, MongoDB, NATS, Custom PHP
frameworks

Senior PHP backend developer Project: High-loaded system for buying and selling traffic.
at trafficbox.com High-loaded system for buying and selling traffic, receiving revenue
(full time remote position) information, and analytics for cost optimisation.
Sep 2018 - Jan 2019 Country: ~
Team size: 8
Responsibilities:
Design and development of applications, database, and server
environment -server administration
Modernisation of database cluster for high volumes with Click
House DB
Modernisation of data analyses system with Click House DB
Technologies:
PHP 7.2, Symfony 2.8, Phalcon Framework, php-fpm, MySQL
5.7, NGINX, Redis, Clickhouse

Senior full stack developer Project: Traffic buying and selling marketing system.
at adverster.com Buying traffic and marketing systems selling advertising placements.
(full time remote position) Whether you are an advertiser that is looking for a new way to attract
Jun 2015 - Sep 2018 customers and receive more conversions, a publisher seeking the
possibility to monetise traffic, or a brand owner interested in the
qualified brand promotion, our network will provide you with the
best solutions for your business.
Country: Spain, UK, Ukraine
Team size: 11
Responsibilities:
Design and development of applications, database, and server
environment
Servers setup, administration, and monitoring
Traffic tracker for high volumes based on ClickHouse DB
Traffic analyze system based on Clickhouse DB
Custom ads' delivery system based on Revive adServer
Custom plugins for Revive adServer: anti-Adblock system,
upload traffic costs, conversions, and piggyback posts, primary
retargeting technique, MaxMind GEOIP2 plugin
Technologies:
Zend Framework, Revive adServer 4.*, php-fpm, MySQL,
NGINX, Redis, Clickhouse, Memcached, Docker, Elasticsearch,
LogStash, Filebeat, MaxMind GEOIP2
Senior PHP developer Project:Real estate booking system.
at herculesmodern.com A system for renting and leasing luxury real estate in Los Angeles.
(full time remote position) Country: USA
Sep 2014 - Feb 2015 Team size: 3
Responsibilities:
Database design
Backend development
Frontend development
Mail templates creation
Payment systems integrations
Technologies:
PHP, Symfony Framework 2.*, MySQL, JavaScript, AJAX,
HTML, PayPal API, Roomorama API, Google Calendar API

Senior PHP developer / Project: Eyeglasses sales network
Team lead eyedealglasses.com | primetimeglasses.com
at projektcs.com A leading online eyewear store. The client had several stores, and
(full time position) the main task became the unification of multiple frontends onto a
Oct 2013 - Aug 2014 single custom backend without affecting the functionality of the
frontends
Country: USA
Team size: 10
Responsibilities:
Backend, frontend, parsers, template creation
Team coordination
Development planning
Order process rebuilding
Deployment and code delivery
Technologies:
PHP, Opencart 1.5 (frontend) + Kohana (backend), JavaScript,
AJAX, MySQL

Senior PHP developer Project: Online closing store.
beststuff.com.ua Country: Ukraine
(full time, remote) Team size: 3
Feb 2013 - Oct 2013 Responsibilities:
Database design
Multiparser system
Template creation
Facebook API integration
vk.com API integration
Server setup and administration
Technologies:
PHP, Opencart, JavaScript, AJAX, MySQL
Middle PHP developer Project description: globelink.co.uk
(full time position) Travel insurance, expatriate medical insurance, backpacker travel
Aug 2012 - Feb 2013 insurance, and annual multi-trip plans for travelers and
holidaymakers in the UK or other European Union/EEA Countries.
Country: UK
Team size: 8
Responsibilities:
template development
core-modules customisation
Technologies:
Custom framework, PHP, MySQL, PDO, JavaScript, jQuery,
HTML, CSS, Worldpay API

Project description: mama.mk.ua
Parents club social network with marketplace, forums,
announcements, and posters of events kid and their parents
Country: Ukraine
Team size: 8
Responsibilities:
template development
core-modules customisation
Technologies:
Custom framework, PHP, MySQL, PDO, JavaScript, jQuery

PHP developer Project description: Automobile oil store 5w40.kiev.ua
(Freelance, remote) Responsibilities and Key Accomplishments:
May 2011 - Aug 2012 Template creation, modules development, core modification.
Technologies:
PHP, Javascript, AJAX, MySQL, HTML, CSS, Opencart 1.5.4.1

Project description: Table games store natfun.ru
Responsibilities and Key Accomplishments:
Template creation, modules development.
Technologies:
PHP, Javascript, AJAX, MySQL, HTML, CSS, Opencart 1.5

Project description: Kids Stuff Store 10kr.ru
Responsibilities and Key Accomplishments:
Custom menu module creation
Technologies:
PHP, Javascript, jQuery, HTML, CSS, Wordpress 3.2

Project description: Car parts center autopolus.by
Responsibilities and Key Accomplishments:
Template creation, plugins customization.
Technologies:
PHP, Javascript, jQuery, MySQL, HTML, CSS, Joomla 1.5

Project description: Moscow parents club kidsters.ru
moscow.kidsters.ru
Responsibilities and Key Accomplishments:
Template customization, plugins and modules customization.
Technologies:
 PHP, Javascript, jQuery, HTML, CSS, Wordpress 3.2

Project description: Yacht travel club stormcrew.ru
Responsibilities and Key Accomplishments:
Template customization, module customization.
Technologies:
PHP, Javascript, jQuery, HTML, CSS, Wordpress 3.2

Project description: Ballet theater la-baleine.eu
Responsibilities and Key Accomplishments:
Template development, customization.
Technologies:
PHP, Javascript, jQuery, MySQL, HTML, CSS, Wordpress 3.4

Project description: Kids Stuff Shop legkomame.com.ua
Responsibilities and Key Accomplishments:
Plugins and modules customization.
Technologies:
PHP, Javascript, jQuery, MySQL, HTML, CSS, Prestashop 1.4.8

Project description: Yoga Center Website www.yoga108.su
Responsibilities and Key Accomplishments:
Template and modules creation and modifications.
Technologies:
PHP, Javascript, AJAX, MySQL, HTML, CSS, Wordpress 3.1

Junior PHP Developer Project description: Bicycle Shop bikeman.com.ua
at 718 Websites Responsibilities and Key Accomplishments:
Nov 2009 - May 2011 Template creation, plugins and modules integration.
Technologies:
PHP, Javascript, jQuery, MySQL, HTML, CSS, Prestashop 1.4

Project description: Newspaper for Iran children, having articles,
newsletters, press releases, blog and RSS feeds. iranpresswatch.org
Responsibilities and Key Accomplishments:
Took part in development of modules from scratch
Technologies:
PHP, JS, MySQL, RSS, HTML, CSS, Wordpress

PHP developer Project description: Online store, silverwave salings zlato-serebro.ru
(Freelance, remote) Responsibilities and Key Accomplishments:
May 2009 - Nov 2009 Theme template and several plugins modifications.
Technologies:
PHP, JS, JQuery, AJAX, MySQL, HTML, CSS, DOM, Shop-Script
Premium 1,4

Project description: Online store, silverwave salings silvida.ru
Responsibilities and Key Accomplishments:
Theme template and several plugins modifications.

Technologies:
PHP, JS, AJAX, MySQL, HTML, CSS, Shop-Script Premium 1,4
Academic Record

End of studying: 02.2009
Name of institution: EUFIMB
Branch: Information management systems and technologies
Qualification, Degree: Master (Engineer) - Software Programmer