Łukasz Bacik



Hello, I'm Łukasz, a Developer based in Katowice, Poland. With over 17 years in the industry, I still learn new things every day (for instance, recently, it is Web3, which looks very interesting to me). Outside of work, I enjoy trekking and music. If you're interested in learning more about my work, please feel free to explore my portfolio.

my photo

Backend Developer

I specialize in backend development with a focus on PHP, although I also have experience with Python, JavaScript, and other languages.

  • Website: lukaszbacik.com
  • Phone: (+48) 506 857 787
  • City: Katowice, Poland
  • Preferred operating mode: Remotely
  • Degree: Master
  • E-mail: lukasz@lukaszbacik.com
  • ceidg.gov.pl
  • Preferred employment type: B2B


I have experience in Symfony, Api Platform, Laravel, Yii2 and Slim PHP frameworks but also in e.g. Python (FastAPI) and JavaScript (Node.js, React, Angular). I was working with MySQL, PostgreSQL, MS SQL, MongoDB, Redis, Memcached, RabbitMQ, Elasticsearch, Solr, Docker, Kubernetes and many other services hosted as locally as in the cloud (Azure, AWS or other providers).

PHP 99%
JavaScript 75%
Python 80%
Databases 85%
Containers 90%
Linux 90%
Kubernetes 55%
Cloud services 70%


Below, you can find the most important facts from my resume - if you are interested in its full version, don't hesitate to contact me.


Łukasz Bacik

Developer with 15+ years of experience in PHP, 3+ years of experience in team management, and 5+ years of experience in PHP tech leading.

  • 40-759 Katowice, Poland
  • (+48) 506 857 787
  • lukasz@lukaszbacik.com

Teamwork and Collaboration Experience

2004 - present

  • Small teams - one, two developers
  • Teams up to 8-10 members, including developers, qa, designers, project/product managers, product owners, scrum masters
  • Mixed teams - cooperating with developers/stakeholders from USA and Europe


Master in Computer Science

1998 - 2004

University of Silesia

Master's thesis: "Evolutionary model of the BIST structure" - application written in C++ for designing BIST structure using genetic algorithm, for a given unit described in ISCAS

Bachelor's thesis: "Thermal energy flow controller" - the goal was to design and craft (including the PCB and the case) the device with the microcontroller, LCD, buttons, and ports to (1) control the heat source and (2) communicate with the digital thermometers utilising the 1-wire protocol. Code has been written in Assembler for 8051 microcontrollers.

Professional Experience

PHP Developer / PHP Tech Lead / Team Leader

2014 - present

Different companies

  • Experience with PHP frameworks: Symfony, Laravel, Lumen, Yii2, Slim
  • Testing frameworks: PHPUnit, phpspec, Behat, Codeception
  • PIM/CMS/e-Commerce solutions: Pimcore, Shopware
  • Experience with frontend frameworks: Vue, React, Angular
  • Databases: MySQL, MS SQL, PostgreSQL, Oracle, MongoDB
  • other: Redis, Memcache, RabbitMQ, Elasticsearch, Solr, Docker, Kubernetes
  • Clouds: Azure, AWS

Head of IT Systems Administration

2011 - 2014

Liberty Poland (Polkomtel / Polsat)

  • Administration of IT infrastructure (server room, computer network)
  • Maintenance and development of software
  • Team management

IT Specialist / Developer

2004 - 2011

Ticketpro Poland / Systel Systemy Teleinformatyczne

  • Maintenance of IT infrastructure (Cisco, D-link, MikroTik, GNU/Linux)
  • Server/service administration
  • Software development (PHP, e-commerce, company web page, services admin panel)
  • Server configuration / Hosting platform development


My projects and publications shared on various platforms and magazines.

  • All
  • Lib
  • Web
  • Publications


PHP Architect


Value Object








Szojdy 35, 40-759 Katowice


(+48) 506 857 787

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