Ludwik
Grochowina

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

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​: ​airportsherpa.io plymouthgin.com escentials.com ​ zid.sa riceonline.com firsthand.co

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

Worked with a number of clients.
Led the team and did most of the development for omnea.de.
Implemented lead management tools (grabbing potential clients and information about them) for omnea.de. Integrated the omnea.de 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​: ​ omnea.de directsight.co.uk cachefly.com​ creditloan.com

PHP developer, seo specialist; since 2010 till now self-employment
Created an eCommerce engine and deployed it for many clients (tomdom.pl).
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: tomdom.pl nolita.pl oirpwarszawa.pl profix.com.pl