Mateusz Krzeszowiec

Current

• IT Consultant at Amadeus
• Software Engineer at GFI Group

Past

• Web Developer at Spreadit online marketing
• Core Team member at Joomla!
• Web Developer, Consultant at myguideTravel

• Mentor at Joomla!/Google Summer of Code
• Development Workgroup member at Joomla!

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Recommended

3 people have recommended Mateusz

Connections

64 connections

Industry

Computer Software

Mateusz Krzeszowiec’s Summary

Experienced programmer focused on open source technologies, LAMP environment and J2EE with extensive knowledge of web development.

Mateusz Krzeszowiec’s Specialties:

web development, middleware development, open source

Mateusz Krzeszowiec’s Experience

• IT Consultant

  Amadeus

  (Privately Held; Information Technology and Services industry)

  May 2008 — Present (1 year 8 months)

  Software engineer, technical leader of the team, part of the department architecture community.
  
  Product definition, development and maintenance of the common middleware module used for B2B and B2C applications for hotel reservation and insurance.
  
  Requirements analysis, project sizing, functional and technical specification, design and development, profiling, stress test planning, newcomer training.

• Software Engineer

  GFI Group

  (Privately Held; 1001-5000 employees; GFIG; Financial Services industry)

  April 2008 — Present (1 year 9 months)

• Web Developer

  Spreadit online marketing

  (Internet industry)

  March 2006 — March 2008 (2 years 1 month)

  Design and implementation of Internet applications in PHP.
  Company web servers administration. W3c standards and security audits of solutions made by co-workers and company providers.
  
  Sample projects:
  - Customizable desktop marketing tool with front end using Adobe Flash projector and back end written as a PHP component for Joomla! CMS. Dynamic content, like news feeds, photos etc., has been served via XML-RPC, application allowed tracking of user activity as well as number of installations for marketing purposes. Back end part of the project allowed to change content in client application to no-IT personnel.
  - Numerous templates in HTML and CSS, all w3c standards compliant
  - Custom software components utilizing PHP and MySQL
  - XML based weather forecast with AJAX user interface
  - AJAX application consuming web services to allow live validation of data provided by client customers – verification of postal code etc.
  - Customizations of Joomla! CMS

• Core Team member

  Joomla!

  (Non-Profit; 11-50 employees; Computer Software industry)

  October 2005 — March 2008 (2 years 6 months)

  Project management and evolution planning, delegate.
  Involved in:
  - project future planning
  - problems resolution
  - project management
  - representing project

• Web Developer, Consultant

  myguideTravel

  (Privately Held; 51-200 employees; Leisure, Travel & Tourism industry)

  January 2008 — January 2008 (1 month)

  Company site load time optimization and consultancy.

• Mentor

  Joomla!/Google Summer of Code

  (Non-Profit; 11-50 employees; Computer Software industry)

  2006 — 2007 (1 year )

  Guidance for students in Google Summer of Code program for Joomla project.
  - 2006 - Ajax & Joomla - USA student
  - 2007 - E-mail content submission - Indonesia/Taiwan student
  Providing help and guidance for students starting with Joomla! project from
  development and community sides. Guidance in design and development of
  student's project. Progression verification, project quality rating.
  Involved as mentor in 2006 & 2007 program editions.

• Development Workgroup member

  Joomla!

  (Computer Software industry)

  October 2005 — October 2007 (2 years 1 month)

  Bugfixing and development of new Joomla! features using HTML/CSS, Javascript, PHP and MySQL. User support on forum, IRC and more. Administration of project websites and servers.
  Selected tasks:
  - Fixing bugs - HTML, CSS, PHP and JavaScript
  - Refactoring code, adding new features
  - Migration of project forge - Collaborative Development Environment site - from VA Software Source Forge Enterprise Edition to GForge. Retrieval and parsing data obtained from SFEE via Web Services. Importing data to GForge via Web Services and PostgreSQL scripts generated from parsed data. More then 70 000 user accounts, hundreds of thousands forum posts, artefacts and many more, approximately 2GB of data.
  Migration took around 6 months and in it's peak time more then dozen of people working on verification of data, cross-accounts removal and so on.
  - Administering two CentOS servers on which GForge is running, including PHP and Apache configuration, server load monitoring, PostgreSQL management.