My name is Ludwik Grochowina and I am Back-end developer with 10+ years of experience.
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About me

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Ludwik Grochowina

I am Back-end developer with 10+ years of experience.
I write mostly PHP programs with SQL and NoSQL databases. I am familiar with regular expressions, phpunit, rabbitMQ, composer, git, docker, Jira, unix, AWS.
My code is optimised, open to extension code compatible with SOLID, DRY, KISS principles.
I also write integration and unit tests.

16th july 1984

35 Yr

Poland - European Union

Warsaw, Poland

+48 695 671 680


My Resume


Master In Computer Science

Warsaw University of Technology
Master's studies (lectures in English) Electrical and Computer Engineering,
Computer Systems and Networks
Master of Science degree

Bachelor In Computer Science
2004 - 2008

Bachelor's studies (lectures in English) Electrical and Computer Engineering,
Computer Systems and Networks
Bachelor of Science degree


PHP developer @ Miinto
2019 - 2020

Created and maintained process of importing and managing products from over 1500 different stores/boutiques and show them on the platform,
Created and maintained system to order shipping, printing labels,
Maintenance support for ecosystem based on around 150 separate projects (api, proxy, workers)
Projects on 8 different markets (pl, dk, nl, no, de, se, ch, it)
Technologies​: PHP 7.2, PostgreSQL, RabbitMQ, ElasticSearch, Rest API, Regular Expressions, PhpUnit, Linux Administration, Jira, Git, TeamCity

PHP developer @ toptal agency
2016 - 2019

Created new functionalities and supporting old ones for service where user can create his own e-commerce platform - team lead.
Created new functionalities for community service.
Created object oriented backend structure for applications (architect).
Created api for mobile food-delivery applications, including integration with Payment systems.
Created product site from scratch based on psd files and given CMS api. Support for university - students service
Technologies​: PHP, Laravel, MySQL, Laravel, Slim, HTML, CSS, API, Regular Expressions, JavaScript, jQuery, Bootstrap, VueJs, RWD, Composer, PhpUnit, AWS (S3, EC2, SQS), Linux Administration, Jira, Git
Examples​: ​

PHP developer @ Shopgate
2015 - 2016

Created tools for automation lead management processes - finding new potential clients and grabbing information about them (web scrapping, big data). Implemented multiple APIs (social media).
Worked with AWS SDK (EC2, S3, SQS).
Made improvements to the internal CRM system.
Planned the technology stack for a new SaaS business.
Implemented the front-end (Bootstrap).
Implemented integration tests for existing code.
Technologies​: PHP, Laravel, Cake, MySQL, HTML, CSS, API, RegularExpressions, JavaScript, jQuery, RWD, Bootstrap, Composer, PhpUnit, AWS (S3, EC2, SQS), Jira, Git

PHP developer @ Polcode
2013 - 2015

Worked with a number of clients.
Led the team and did most of the development for
Implemented lead management tools (grabbing potential clients and information about them) for Integrated the site with multiple APIs (Google, Facebook, Twitter, Foursquare, Yelp).
Implemented API integrations with multiple logistics companies (like DHL and UPS).
Finished many improvements for multiple pages (eCommerce, SaaS).
Created a mobile app with PhoneGap.
Sliced PSD to HTML.
Technologies​: PHP, MySQL, HTML, CSS, JavaScript, jQuery, RWD, API, Regular Expressions, Bootstrap, Composer
Examples​: ​​

PHP developer freelancer @ webtation
2005 - now

PHP developer, seo specialist; since 2010 till now self-employment
Created an eCommerce engine and deployed it for many clients (
Created my own CMS and deployed it for many clients.
Created APIs and integrated websites with warehouse software.
Implemented integrations with Allegro ("Polish eBay") API.
Finished a lot of PSD to responsive HTML slicing jobs.
Handled sales and customer service for the company.
Technologies: PHP, Laravel, CodeIgniter, MySQL, HTML, CSS, JavaScript, jQuery, Bootstrap, Composer, AngularJs, VueJs, RWD, VueJs, PhpUnit, Linux Administration, Git Examples:


What my clients and coworkers say about me.

It's rare to find a developer so human-focused as Ludwik. In our hiring process, we were prioritizing candidates who emphasized our three corporate values: Generosity, Proactivity, and Problem-Solving. Ludwik was a consistent embodiment of all three of these values.

He is a professional programmer with a huge web applications knowledge. During work Ludwik shows big involvement and ability to work under the time pressure. Personally, he is a good friend who always has time to help. I can definitely recommend Ludwik as a Senior PHP Developer or Team Leader.

Ludwik did an exceptional job on recent projects. He is very productive and he possesses a vast knowledge of PHP. It was always a pleasure to discuss technical challenges with him as he was able to quickly provide meaningful arguments for one solution or another and at the same time keep respect for the opinions of others.

It has been a great experience to work with Ludwik. He has been a true star. He likes when the job is done the right way – no shortcuts or cutting cornes. He is very diligent and puts extra effort each step of the way. Great programmer and communicator. An ultimate pleasure to work with - both professionally and personally.

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Address: Warsaw, Poland
Phone: +48 695 671 680
linkedIn: Ludwik Grochowina
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