Kuba Werłos
Verified Expert in Engineering
Software Developer
Wrocław, Poland
Toptal member since August 29, 2022
Kuba has more than a decade of experience in PHP and relational databases. He has mainly built applications on the back end, from small startups to large and high-traffic projects. Kuba has worked as an independent developer and a team member and is currently freelancing to get an opportunity to work closely with changing business demands. Kuba is looking for a project where he will be able to help improve applications in various aspects, including features, performance, quality, and security.
Portfolio
Experience
- PHP - 12 years
- MySQL - 10 years
- Object-oriented Programming (OOP) - 10 years
- Composer - 8 years
- PHPUnit - 8 years
- SOLID Principles - 7 years
- Symfony - 6 years
- Static Analysis - 6 years
Availability
Preferred Environment
PHP, Linux, PhpStorm
The most amazing...
...experience I've had is being a team leader of the team managing service and building two new services in PHP and React.
Work Experience
Principal Software Engineer
Intive
- Developed enterprise-class applications to manage employee shifts in large stores and warehouses.
- Built and maintained microservices in PHP and React with full responsibility over them.
- Developed internal libraries to standardize code structure and style.
- Provided technical leadership and support for the team.
PHP Developer
UPS
- Developed PHP applications for the transportation of pharmaceutical products.
- Migrated codebase from PHP 5 to PHP 7 and Composer.
- Introduced a version control system in the subsidiary.
Senior Back-end Developer
Matic
- Developed a PHP 7 application during the migration from YII to Symfony.
- Provided technical guidance for less experienced colleagues.
- Verified candidates for joining the company in the Polish office.
Senior Software Engineer
Equiqo
- Developed a PHP and Zend framework for one product comparison website.
- Managed customer communication and the developers' team.
- Introduced quality assurance tools, including automated tests and static code analysis tools.
PHP Developer
RST Software Masters
- Supported and developed a legacy application for the transport industry.
- Collaborated closely with stakeholders to quickly provide business value.
- Worked in a team, together with over 20 other teams in Scrum.
Software Developer
FINGO sp z oo
- Developed an application from the project management area.
- Created an international Magento online-shopping website.
- Built a Symfony 2 project for comparing products' tests.
Junior Web Developer
TBSCG
- Developed a PHP application for the recruitment industry.
- Prepared database migration for over 160 customers.
- Optimized application performance and fixed issues.
Experience
Enterprise Application to Work Management
An eCommerce Application for Online Beauty and Self-care Retailers
Family of Applications for Transport of Pharmaceutical Products
I was a small team member adding features, making bug fixes, and migrating to modern PHP versions while keeping a high service level agreement (SLA) for the system.
Education
Student Exchange Program in Computer Science
Saarland University - Saarbrücken, Germany
Master's Degree in Computer Science
University of Wrocław - Wrocław, Poland
Skills
Libraries/APIs
jQuery, React
Tools
Composer, PhpStorm, Jenkins
Languages
PHP, PHP 7, PHP 5, JavaScript, HTML, CSS
Frameworks
Symfony, PHPUnit, Yii, Zend Framework, Smarty
Paradigms
Object-oriented Programming (OOP), Microservices, Scrum, Kanban
Storage
MySQL, PostgreSQL, Databases
Platforms
Linux, Apache Kafka, Magento, Docker
Other
Static Analysis, SOLID Principles, Troubleshooting, Software Troubleshooting, Algorithms, Complexity Theory, Discrete Mathematics, Data Structures, Graphics, Image Processing
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring