Experience

get.chat sp z o.o.

• Poland
• Information Technology & Services
• 1 - 100 Employee

• Senior Developer

  • Oct 2021 - Present

  - designing and implementing system for automatic installation/update hundreds applications on K8S clusters, - designing and implementing core of event processing system, - mentoring developers. - designing and implementing system for automatic installation/update hundreds applications on K8S clusters, - designing and implementing core of event processing system, - mentoring developers.



INELO

• Poland
• IT Services and IT Consulting
• 100 - 200 Employee

• Senior Developer

  • May 2020 - Sep 2021

  - working with multiple teams to find opportunities to gradually improve existing system architecture, - decreasing system complexity and coupling using event-based approach, - mentoring developers. - working with multiple teams to find opportunities to gradually improve existing system architecture, - decreasing system complexity and coupling using event-based approach, - mentoring developers.



Infomex Sp. z o.o.

• Poland
• IT Services and IT Consulting
• 1 - 100 Employee

• Senior Developer in R&D department

  • Oct 2015 - Mar 2020

  Virtual Data Center - designing and implementing highly available, distributed system for software defined data center orchestration (core of IaaS platform), - designing and implementing custom backup system handling hundreds of VMs, - wiring up technologies from multiple domains (virtualization, storage, networking etc.) using custom software to provide optimal solutions in dynamically changing environment, - consulting the architecture of clients applications, - designing and building CI/CD strategies (single- and multi- data center), - mentoring developers. Show less



SFD S.A.

• Poland
• International Trade and Development
• 1 - 100 Employee

• Team Leader, PHP/MySQL Programmer

  • May 2011 - Sep 2015

  PoTreningu.pl / Afterworkout.com - designing and implementing new social network website, - designing and creating development and testing application environments using Continous Integration tools with a custom automated tools for code deployment process, - integrating existed applications using OpenID, OAuth, CORS, - managing small development team. PoTreningu.pl / Afterworkout.com - designing and implementing new social network website, - designing and creating development and testing application environments using Continous Integration tools with a custom automated tools for code deployment process, - integrating existed applications using OpenID, OAuth, CORS, - managing small development team.



Autentika

• Poland
• IT Services and IT Consulting
• 1 - 100 Employee

• Team Leader, PHP/MySQL Programmer

  • Oct 2009 - Apr 2011

  Admatik.pl: - architecture designing and implementing automated advertising system, with custom adserver (capable of handling 10k req/sec) and statistic systems, - designing and creating development and testing application environments, - implementing Continuous Integration tools, - managing development team. Misspolski.pl: - designing and implementing official community website of Polish National Beauty Contest, - preparing the system for high load (transfer, request count, usage of CPU/HDD), - creating a custom automated tools for code deployment process, - managing development team. Show less



Poszkole.pl Sp.zo.o.

• PHP/MySQL Programmer

  • Jul 2008 - Sep 2009

  - designing and implementing new version of large-scale social network website, - optimization of PHP code, SQL queries, database structure and resources usage (transfer, request count etc.) for website with 10 million impressions daily. PHP (Zend Framework), MySQL - designing and implementing new version of large-scale social network website, - optimization of PHP code, SQL queries, database structure and resources usage (transfer, request count etc.) for website with 10 million impressions daily. PHP (Zend Framework), MySQL



Freelancer

• PHP Programmer / Front-End Developer

  • Oct 2006 - Jun 2008

  - creating semantics XHTML and CSS code consistent with W3C standards and optimizing it for A-grade browsers - designing and implementing modules/subservices to existing applications consistent with customer specification - creating semantics XHTML and CSS code consistent with W3C standards and optimizing it for A-grade browsers - designing and implementing modules/subservices to existing applications consistent with customer specification