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Work Background
Integriser sp. z o.o.Head Of Development
Apr. 2021Warszawa, Woj. Mazowieckie, Polska
E Net ProductionHead Of Software Development
May. 2019 - Apr. 2021Katowice, woj. śląskie, PolskaMy responsibilities in the Head of Development position included: - Leading and supporting strategic teams of the company; - Supporting Tech Leaders in team management; - Participating in business meetings with clients; - Establishing the QA team from scratch (recruitment, onboarding, employee support, team leadership); - Programming and resolving strategic technical issues; - Enhancing technical competencies through internal training; - Leading PHP Coffee meetings, introducing Tech Leaders to the role of coordinating these meetings; - Supporting and co-creating processes related to employees: HR, PM, PO;
E Net ProductionTech Leader PHP
Jan. 2018 - May. 2019Katowice, woj. śląskie, PolskaMy responsibilities in the Tech Leader position included: - Leading and supporting the team responsible for the product domain. - Leading and supporting the team responsible for building APIs for external applications. - Assisting developers with knowledge in the realm of system architecture. - Programming and resolving complex technical issues. - Phased implementation of Scrum within the company (participating in Scrum training). - Enhancing technical competencies through internal training. - Initiating and leading PHP Coffee meetings, which effectively expanded programmers' knowledge. - Supporting and co-creating processes related to employees: HR, PM, PO.
E Net ProductionSenior PHP Developer
Jan. 2017 - Jan. 2018Katowice, woj. śląskie, PolskaIn this position, I worked with Poland's largest e-commerce software. My responsibilities included ensuring the system's architecture, enhancing its performance, and programming new functionalities. I frequently collaborated with the business team (Product Owners, Project Managers, Chief Technology Officer).
Własna firmaArchitect / Tech leader / Developer
Sep. 2013 - Jan. 2017Katowice, woj. śląskie, PolskaProjects: - Sales management system in the store (creation of a data warehouse, collecting data from cash registers to the data warehouse, creation of a reporting system, creation of a server API for external applications); - System supporting the work of traders for the pharmaceutical industry (mobile application server API, data warehouse); - Bug tracker system; - CRM for Media & Publishing (rebuilding legacy code, developing new features, implementing the DDD and CQRS approach) Managerial Competencies: - Ability to build teams, team management, conflict resolution, supervision, and motivation of staff; - Managing team work, ability to reorganize and plan the work schedule in emergency situations; - Ability to estimate budgets; - Ability to implement Scrum, Kanban, and the methodology of „Software Craftsmanship”; - Experience gained in the positions of team leader Technical Competencies: - Practical use of DDD - Practical use of framework-agnostic paradigm - Practical use of object-oriented programming - Practical use of test frameworks (PHPUnit, PHPSpec, Codeception) - GitLab, CI, CD, Docker, Ansible - PHP (up to 7.4, Symfony Framework, Doctrine, Yii 1.1, 2.0); - Advance knowledge of databases (PostgreSQL, MSSQL, MySQL, MongoDB, knowledge and abilities to implement data warehouse); - IOS (from 6 to 8 version, Objective-C, iOS SDK, Wikitude SDK - AR application);
Work ExpressPHP Developer
Apr. 2011 - Aug. 2013Katowice, Silesian District, PolandCreate a large application streamlines departments work, and regulating processes within the company, such as human resources (recruitment, hiring, setting time), payroll, accounting, and tools for analyzing the results of the company (especially for managers). Technologies used: (X)HTML, CSS 2.0, JS + Prototype, AJAX, PHP, SOAP, Memcache, PostgreSQL 9.0, XML, JSON, SVN version control
Positive Power Sp. z o.o.Webdeveloper / Webmaster
Dec. 2010 - Apr. 2011Gliwice, Silesian District, PolandPHP 5, JS ( framework jQuery ) , AJAX , (X)HTML, CSS, MySQL, PostgreSQL, XML, JSON, web application testing – jMeter , profiling PHP applications – xdebug with use WinCacheGrind;
PHP FreelancerWebdeveloper / Webmaster
Jan. 2009 - Aug. 2013Bielsko-Biala, Silesian District, PolandXHTML, CSS, JavaScript (framework jQuery, prototype), PHP 5, AJAX, PHPTAL template system, and the OPT, XML and JSON, MySQL, PostgreSQL, SVN version control – TRAC using Tortoise client. Supported company include: 24travels, Aristoflex, L.S. Tech-Homes, Infobox, MandesLook, and individual clients;
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