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Volodymyr Kolesnykov
Senior Software Engineer at Automattic
Ukraine

Experienced Software Engineer with a demonstrated history of working in the computer software industry. Skilled in C, C++, PHP, JS/NodeJS, WordPress, LAMP, Mail Server, and Linux.

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Top 1%
Top 10
C
C
Developer
Ukraine
Top 5
JSON
JSON
Developer
Ukraine
Top 50
PHP
PHP
Developer
Ukraine
Highest experience points: 0 points,

0 activities in the last year

List your work history, including any contracts or internships
Automattic
Sep 2021 - Present (11 months)
Remote Current workspace
Currently Volodymyr Kolesnykov supports the Automattic

Volodymyr Kolesnykov's scores will be added to this company.

Senior Software Engineer
wordpress php javascript
Netguru
1 year 11 months
Remote
PHP Developer
Apr 2020 - Aug 2021 (1 year 4 months)
LifeWorks - a global employee engagement platform (EEP) serving 50,000 companies with over 15 million users.

Responsibilities:
* implementation of the new features for the User Management & Onboarding Team;
* integration with a myriad of microservices;
* support of the legacy code (bug fixes, writing tests, updating ancient dependencies, security fixes, performance optimization)
* fight the Technical Debt (ensure regular dependency updates, including the major ones; addressing issues found by various static code analyzers (SonarCloud, PHPStan, PSALM, PHPMD); refactoring the old code; writing tests);
* detect and fix security issues.

Major Technologies:
* PHP: Zend Framework 2 and 3, Laminas 3, Symfony 2-5
* JavaScript: vanilla, JQuery, React
* DevOps stuff: Docker, Jenkins, Bamboo, Terraform
* Static code analysis: PHPMD, Psalm, PHPStan; SonarCloud
* Vulnerability scans: AquaSec Trivy, NPM Audit, Retire.js

Things I am proud of:
* Updated the SSO service from Symfony 2 to Symfony 5;
* Migrated of the API service to Laminas 3 (160 kLOC);
* Added new features to the SAML library;
* Refactored core libraries and the SSO service to be compliant with PHPStan Level 8;
* Implementation of code coverage metrics for all PHP (micro-)services.
devops Docker PHP ReactJS Symfony
WordPress Developer
Sep 2019 - Apr 2020 (7 months)
One Tribe — a climate action platform, engaging businesses and consumers to make a positive environmental impact.

Responsibilities:
* development of custom WordPress plugins (REST API-based backend + JS-based frontend);
* integration of third-party plugins into the system;
* integration with the Google Firebase platform;
* performance optimization and monitoring;
* writing unit and end-to-end tests.

Major technologies:
* WordPress, PHPUnit
* React / preact, Redux / Unistore, Jest, JQuery
* Node.js, Express.js, Google Firebase
* TypeScript
NodeJS ReactJS Redux TypeScript wordpress
E-Mascot
May 2018 - May 2021 (3 years)
Remote
DevOps Engineer
E-mascot is a UK-based company providing software development and network services.

My core responsibilities are to keep the server fleet afloat, deployment of new servers, management of our VPN solutions, handling of abuse complaints.
devops

This section lets you add any degrees or diplomas you have earned.
Sevastopol National Technical University
Master's degree, Computer Science
Jan 2004 - Jan 2005
Faculty of Automation and Computer Engineering
Specialization: Cybernetics and Computer Science
Degree: Master of Computer Science in Intellectual and Computer Networks
Majors: Programming, System Analysis, Theory and Practice of Scientific Researches
Master thesis: Combination Circuits Logic Design Workstation

Received award for Master Thesis
Sevastopol National Technical University
Professional Communication Interpreter/Translator, Foreign Languages
Jan 2003 - Jan 2005
Faculty of Foreign Languages
Speciality: Professional Communication Interpreter/Translator (Computer Science, English)
Sevastopol National Technical University
Bachelor's degree, Computer Science
Jan 2000 - Jan 2004
Faculty of Automation and Computer Engineering
Specialization: Cybernetics and Computer Science
Degree: Bachelor of Computer Science in Intellectual and Computer Networks
Graduation Thesis: Digital Circuits Simulation System for the Given Element Basis

Received award for the final project
Learning Redis
Dec 2021
WordPress: Action and Filter Hooks
Dec 2021
WordPress: Plugin Development
Dec 2021

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