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Flag of Poland wroclaw, Poland
Member since June, 2011
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Jarek Sobiecki

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I'm experienced Drupal developer from Poland. I'm involved in various Drupal realted projects from 2007. I'm currently self-employed freelancer and I'm member of small freelancers cooperative located in Wrocław, Poland. On I'm looking moslty for smaller projects, just to keep myself busy when my daily work load is lower than usual. Usually I work for large enterprises (ie. Media companies or global enterprises). You can check my updated linkedin profile here: The freelancers cooperative I'm member: My Drupal related experiences include: - developing Drupal modules and themes - optimization of hosting environment for Drupal - optimization of performance (hunting down bottlenecks) - scaling (deploying solutions like memcache, master - slave database topology and others) - auditing and consulting third-party provided solutions. - training junior programmers - Deploying and configuring continous integration environment suited for Drupal project needs
$23 USD/hr
2 reviews
  • 100%Jobs Completed
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Recent Reviews


Drupal developer, consultant, contractor

Apr 2014 - Dec 2014 (8 months)

Developing high scale website for international client and general Drupal consultancy.


Apr 2014

Member of cooperative

Apr 2014

I'm member of small cooperative of freelancers, located in Wrocław, Poland

Senior software developer

Jul 2011 - Apr 2014 (2 years)

- Designing, implementation and maintenance of websites based on Drupal. - Implementing migrations of data between various versions of applications - Business requirements analysis. - Cooperation with third-party contractors. Cooperation includes auditing quality of provided solutions and general consultancy. - Creation of technical documentation - Fighting with performance and scalability bottlenecks. - Creation of testing automation solution for internal company needs (continuous integration) - Providing internal trainings for members of development team - Designing and creating generic Drupal distributions for company internal needs

Websites programmer

Aug 2008 - Jul 2011 (2 years)


Sep 2007 - Aug 2008 (11 months)

Several smaller projects implemented for two clients: - - Polish Biochemical Society My activities include: - Websites creation from scratch, basing on CMS Drupal platform, ie. simple GIS system: - Developing e-commerce solutions based on OSCommerce - Creation of desktop applications, for synchronizing data between (desktop based CRM application) to oscommerce based e-commerce solution. - Smaller modification and tune-ups of existing PHP based solutions. - Creation (from scratch) members database (PHP / Symfony) - Migration from old proprietary solution to new one. (Perl)

.NET developer

Jun 2007 - Sep 2007 (3 months)

- My first "real" job. I was member of large team working on a web based solution supporting process of credit decision for Santander Consumer Bank.


Master of Science in Mathematics

2002 - 2007 (5 years)

Licentiate (Bachelor\'s) in Computer Science

2004 - 2008 (4 years)


Certificate of Achievement Microsoft Authorized Academic Training Program (Programming with C#) (2004)


This is certificate of completed the microsoft approved courses: 2609 Introduction to C# with Microsoft. NET 2124 Programming with C#


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