Experience
You can find my job certificates (if available) to download (as PDF) under the description of a company
Ogulo GmbH | Speakster GmbH | ARI Fleet GmbH | artegic AG | Binserv GmbH | KIT Digital GmbH | Microsoft | Inetdesign.pl | Webstyle Systems Sp. z o.o. | VAD GmbH | Advanced Mask Technology Center | VAD GmbH | Poleninvest.de |-
Lead Developer/Backend Architect
Ogulo GmbH- Building a micro services backend solutions for using in web and mobile 3D panorama software
- Choosing the software solutions for rapid application development
- Creating the infrastructure based on AWS stack
- Leading the backend developers team, work-outs, seminars, project management
- Preparing code for the CI/CD (code reviews, automatic tests, reports, PSR standards implementation)
- Release management of the backend application.
Tech:
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Backend Architect
Speakster GmbH- Building a micro services backend solutions for using in web and mobile clients
- Choosing the software solutions for rapid application development
- Creating an infrastructure based on Amazon Cloud (EC2, Elasticsearch, Amazon RDS for MariaDB, Ubuntu 16.04, Nginx, PHP 7)
- Developing software solutions with Lumen, PHP 7, ElasticSearch and MariaDB
- Implementing reverse geocoding with specific types in ElasticSearch, based on GeoNames, MapZen and LocationIQ data
- Creating synchronous and asynchronous jobs and their processing over SQS
- Creating and processing push notifications with Firebase Cloud Messaging
- Processing SNS notifications and events to steer the data flow over the lambda functions (e.g as triggers for DynamoDB).
Tech:
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Full-Stack PHP Developer
ARI Fleet GmbH- Big Data processing
- Code refactoring
- Unit Tests
- Acceptance Tests
- Mentoring about software and problem solutions
Tech:
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Lead Developer / Architect
artegic AG- Big Data processing with XML, JSON, CSV, ISAM and Oracle as the sources
- Technical projects leading (architecture, solutions, internal trainings). Testing new software/extensions.
- Monitoring of software creation process ( technical and financial).
- Mentoring for software developers
- Quality assurance for the whole project development team
- Introducing good programming practices across the company
- Architecture of the continuous integration process, monitoring the roll-out processes, stage and live tests (automatic and manual)
- Interviewing the developer candidates
- Software security trainings across the company
- Coordination between the marketing and development units
Tech:
Job certificate : 2014_artegicAG_Zeugnis.pdf (DE) -
Full-Stack PHP Developer
Binserv GmbH- Backend development of data processing software (PHP, Oracle)
- Creating and re-factoring web services ( SOAP, REST) maintaining the customer document workflows (e.g. automatic filling of the mail merge fields in Office documents with a self- written DB->XML bridge).
- Gathering data from Microsoft Office formats (doc(x), xls(x), ppt(x), etc.), Outlook mails, SharePoint items as a source for the company’s internal search engine based on Apache SOLR (PHP, Tika, C#/.NET)
- Exchange Web Service operation using C#/.NET and virtual Exchange’s PowerShell
- Screenshots generator of Office documents and websites (C# /.NET + SSL)
- Windows browser-less applications in PHP
- Introducing good coding practices and quality assurance to the company. Responsibility for the coding standards (CodeSniffer) and tests (PHPUnit and Selenium)
Tech:
Job certificate : 2012_2_DE_Zeugnis_Binserv.pdf (DE) -
Senior Software Developer
KIT Digital GmbH- Backend development for internal communication system (data exchange between hardware video encoders and front-end web applications)
- Development of video processing control applications (web and shell based)
- Configuration and maintenance of continuous integration servers based on Hudson/Jenkins, SVN, Apache Ant and PHPUnit
- Architecture and implementation of MVC applications based on Zend Framework
- Architecture and development of (X)HTML form generators based on Doctrine ORM
- Providing internal trainings about application architecture, coding style, unit testing, security, design patterns and good coding practices
- Monitoring the work of development teams
- Creating documentation for developers and users.
- Creating PHP API for video processing content delivery networks (Kewego/KITCloud)
- Creating web interfaces and data processing based on XML, XPath and XSLT (SimpleXML, DOM, XMLReader/Writer)
- Creating web services based on WSO2 and Zend Framework
- Delivery of the completed product to the customers, installation, configuration and technical help
Tech:
Job certificate : 2012_1_DE_Zeugnis_KIT_Digital.pdf (DE) -
Software Development Engineer
Microsoft- Work based on Scrum and Extreme Programming:
- Integrated team development ( Conversion Rate / Microsoft Integration ),
- Sprint Reviews, Planning, Targets, Scrum meetings, Planning Poker sessions
- Functionality changes, design and architecture of the one of the biggest European price comparison portals ( e.g. http://ciao.de, http://ciao.co.uk , etc. )
- Integration of external Microsoft applications with the Ciao portal (e.g. the integration with Bing search engine and MSN Toolbar )
- Integration of Ciao applications with C#/ASP.NET/MVC - Phalanger + PHP
- Managing the portal advertisings ( adding / changing the functionality, creating new possibilities for sales team to organize the various types of ads on the website )
- External vendor integration with SOAP, JSON , XML feeds. Preparing the documentation of the external sources, designing needed applications or code fragments and implementing them into the existing code
- Architecture and programming the new version of CMT ( Customer Management Tool ) – an internal application used for the B2B contacts
- Internal trainings for other developers about architecture and functionality of search and advertising systems
- Providing the documentation about new features and enhancing existing documentation
- Using the Atlassian JIRA as the issue tracker
- Writing unit tests, based on classes used in an internal framework and PHPUnit
- Cooperating with other Ciao developers based in Germany and Romania for a better applications scalability and more powerful programming solutions
Tech:
Job certificate : 2010_PL_Zeugnis_Microsoft.pdf (PL) -
IT manager
Inetdesign.pl- Architecture and developing portals based on eZ publish CMS
- Programming with the Code Igniter framework (MVC, PHP4/5, MySQL, XHTML,CSS)
- Team work coordination ( Scrum Master )
- Configuration and maintenance of LAMP environment for dedicated servers
- Cooperation with the German department of the company
Tech:
Job certificate : 2006_2_PL_Zeugnis_Inetdesign.pdf (PL) -
PHP- and web developer
Webstyle Systems Sp. z o.o. - Development of PHP/ MySQL applications.
- Development of portals based on eZ publish CMS.
- Enhance the eZ publish template system and building software extensions.
- Configuration of Apache web servers for the eZ publish
- Internal and external ( e.g. in Singen (Germany) ) trainings about application development based on eZ publish
Tech:
Job certificate : 2006_1_PL_Zeugnis_Webstyle.pdf (PL) -
PHP/MySQL/MSDE Developer
VAD GmbH- Administration of internal company server. (SuSE 8.x/9.x, Apache, MySQL, MSDE).
- Refactoring an internal web solutions (PHP4, MySQL, DHTML)
- Extending an internal web shop ( PHP / HTML / JS / MSDE / ODBC)
Tech:
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Work Student
Advanced Mask Technology Center- Architecture, creation and design of the intranet in the company (PHP4,MySQL, HTML,JS)
- Development of the Online Library software (PHP4,MySQL,HTML,JS)
- Intranet Server administration (Win2000,Apache, MySQL)
- Leading a team of 2 other programmers (tasks disposal, architecture, support, deadline checks)
Tech:
Job certificate : 2004_DE_Zeugnis_AMTC.pdf (DE) -
IT Internship
VAD GmbH- Creation of ODBC connection between Linux client and Microsoft SQL Server database ( unixODBC, FreeTDS, MSSQL 7 )
- Architecture, design and creation of an internal web shop (PHP4, ODBC, MSDE, MySQL, DHTML) Practice semester subject: Catalogue of elements for the developing of high frequencies devices
Tech:
Job certificate : 2003_DE_Zeugnis_VAD.pdf (DE) -
Webmaster
Poleninvest.de- Company homepage (HTML 4.0, JavaScript)
- Web design (Ulead PhotoImpact)
Tech:
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