Hi There! I am
Valerii
Tkachenko
BackendDeveloper
About me
I offer 6 years of hands-on experience translating business requirements into high-quality software solutions and contributing to the creation and development of 13+ projects of various sizes and complexity .
I have established myself as a software engineer who enthusiastically takes on new challenges across the full stack.
Address
Vancouver, BC, Canada
valeriitkachenko96@gmail.com
Summary
Experience
Driveroo(Automotive, Software)
Burlingame, CA, USA
Mar 2023 — Oct 2023
01
Backend Developer
- —Refactored modules with accumulated technical debt, resulting in a 40% improvement in performance and making future code maintenance and enhancements easier
- —Supported the development of 10+ new features
Tech stack:PHPLaravelPostgreSQLRedisDockerAWSAzureGitNginx
Itransition(Software)
Kyiv, Ukraine
Jul 2021 – Feb 2023
02
Backend Developer
- —Performed project audit to assess its current state and effectiveness. Identified areas for improvement and provided a report with recommendations aimed at reducing development time by half
- —Improved core module by refactoring the codebase and implementing an effective class structure which helped to eliminate code duplication in 3+ places
Tech stack:PHPLaravelSymfonyMySQLRedisDockerPHPUnitMongoDBGitLinuxNginxApache
Tallium(Software)
Kyiv, Ukraine
Sep 2019 – Jun 2021
03
Full Stack Developer
- —Successfully brought the project to release being the only developer on it, having to design and develop server logic, build UI, set up server environment and CI/CD pipelines, set up performance monitoring tools, and discuss client's requirements translating them into technical specifications
- —Designed and developed a project architecture and an API for a SaaS platform that allows customers to make appointments for the services of an entrepreneur with custom subscription logic for iOS and Android applications
Tech stack:PHPLaravelLumenPostgreSQLMySQLRedisPHPUnitJavaScriptVue.jsHTMLCSSTailwind CSSNuxt.jsNode.jsDockerAWSGoogle Cloud PlatformAzureGitGitLab CI/CDLinuxNginxApache
LiveLib(Social Media)
Mariupol, Ukraine
Aug 2018 – Jul 2019
04
Full Stack Developer
- —Contributed to a high-loaded project serving over a million users, obtaining hands-on experience in working with replicated and sharded databases, including database query optimization
- —Created an automated template for mass mailings that increased the speed of their creation by 10x, eliminating the need of involving content managers
Tech stack:PHPMySQLMemcachedSphinxGearmanJavaScriptjQueryHTMLCSSGitLinuxApacheNginx
Kvadrosoft(Software)
Mariupol, Ukraine
Dec 2017 – Aug 2018
05
Full Stack Developer
- —Introduced Bootstrap for use as a markup framework resulting in up to 2x faster frontend development
Tech stack:PHPLaravelDrupalMySQLRedisJavaScriptjQueryHTMLCSSBootstrapGitLinuxApache
Tech Stack
PHP
Laravel
Lumen
Symfony
PostgreSQL
MySQL
Drupal
Memcached
Sphinx
Gearman
MongoDB
Redis
PHPUnit
JavaScript
JQuery
Docker
Nuxt.js
Node.js
AWS
Google Cloud Platform
Azure
Git
GitLab CI/CD
Linux
Nginx
Apache
HTML
CSS
Tailwind CSS
Bootstrap
Education
Master of Applied Mathematics
Pryazovskyi State Technical University, Ukraine
Sep 2013 – Jan 2019