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Volodymyr Kolesnykov
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.
CodersRank Score
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This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better
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1,207.5
CodersRank Rank
Top 1%
Top 10
C
Developer
Ukraine
Top 5
JSON
Developer
Ukraine
Top 50
PHP
Developer
Ukraine
Highest experience points: 0 points,
0 activities in the last year
JSON
517.8
exp.
PHP
259.4
exp.
C
122.1
exp.
JavaScript
87
exp.
TypeScript
82.6
exp.
C++
36.8
exp.
Shell
65
exp.
HTML
12.7
exp.
CSS
12.5
exp.
List your work history, including any contracts or internships
Automattic
Sep 2021 - Feb 2022 (5 months)
Senior Software Engineer
Netguru
1 year 11 months
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.
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.
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
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
E-Mascot
May 2018 - May 2021 (3 years)
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.
My core responsibilities are to keep the server fleet afloat, deployment of new servers, management of our VPN solutions, handling of abuse complaints.
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