Johannes Obier
Co-Developer
Experience
Co-Developer
fundgarden GmbH
- Collaboration with the Berlin-based fundgarden GmbH (fund.garden), a grant management platform focused on the music sector
- Technologies: PHP 8.3–8.4, Laravel 12, Livewire 2–3, Tailwind CSS, AlpineJS
Freelancer
Druckhaus meo-media.de
- Work on existing projects at a printing house in the Oldenburg area
- New development of a white-label shop
- Technologies: PHP 7.4–8.3, Laravel 6–11, Vue 3, Inertia, Bootstrap, Livewire 2–3
Freelancer
E-Projecta GmbH
- Contributing to various projects including further development of the product
- Technologies: PHP ≥7.4, Laravel 6–8, Vue, Bootstrap
Freelancer
Standards Institute and Book Publisher
- Modification and enhancement work on several web applications
- Extension of an intranet/back-office solution for automated delivery of client-specific DIN-VDE standards to major customers
- Handling up to 18,000 PDF documents with stamping, password protection, and permission restrictions
- Technologies: PHP 4.x–8.4, MySQL, Zend Framework 1.x, Laravel 9–12, Livewire 2–3, Bootstrap, RactiveJS, Joomla!, Dojo Toolkit, jQuery, PrepTool from PDF-Tools, SetaPDF Stamper, IIS, MS SQL Server, VB 6.0, VBA, Delphi, C#, Qt, Perl
Freelancer
Living Quarter GmbH
- Development of a building, room, and resident management application commissioned by municipalities
- Collaboration with another freelancer
- Technologies: PHP 7.4, Laravel 8, Livewire 2, Tailwind CSS, AlpineJS, Azure AD Single Sign-On via Laravel Socialite
Freelancer
Standards Institute and Book Publisher
- Reimplementation of an existing website with a 100% backoffice area for capturing and providing documents
- Features like email sending with individual retrieval links, manual and automatic order capture, reminder notifications, automated cleanup tasks
- Use of Laravel Livewire to simplify complex AJAX logic
- Technologies: PHP 7.4, Laravel 7–8, Livewire, Tailwind CSS, AlpineJS
Freelancer
Standards Institute and Book Publisher
- Development of a website for new subscriptions and subscription changes
- Integration of external providers with discounts for guild members
- Export of contract data via XML to CRM publishing software (knk)
- Technologies: PHP 7.3–7.4, RactiveJS, Laravel Mix
Freelancer
E-Projecta GmbH
- Freelance work on an event management project in the security sector (100% remote)
- Combination of server and client application with identical codebase
- Implementation of the client and synchronization of event data and ID scans using PHP Windows services
- OAuth2 authentication for users and app clients via Laravel Passport
- Virtual database file system with folder structure and thumbnails via Vue components
- Installation/uninstallation of synchronization services in the Windows service manager using php_win32service
- Technologies: PHP 7.3–7.4, Laravel 6–7, Vue, CentOS/RHEL, agGrid, Bootstrap 4, php_win32service
Freelancer
Office Services Agency
- Dictation service via the internet ([link]) in telework
- Assignment of teleworkers to dictation jobs with medical and legal focus
- Job posting by clients with upload of dictations and templates, automatic assignment, status tracking, automated notifications
- 2014 reimplementation as a web application with JSON-API, replacing an XML web service and Windows application combination
- Technologies: PHP 5.x–7.x, Laravel 3.x–6.x, Bootstrap, jqGrid
Freelancer
Music Industry
- Reimplementation of a product developed between 1994 and 1997 for the business successor
- Technologies: MS Access 2003, Visual Basic 6.0, Delphi
Freelancer
Standards Institute and Book Publisher
Development of multiple custom shop systems and websites, including the main website of the publisher ([link]) and a closed user group with an extensive backend
Reimplementation of Oracle Forms applications with MS Access
Development of several Windows applications for internal use
Multiple relaunches of created websites
2018–2019 extensive overhaul of the main website with CRM and inventory management integration, JSON interfaces, single sign-on, direct order transfer, data protection, EU trade and e-payment compliance
MS Access application for managing standards and print data with export and report generation, tables of contents and sorting instructions
Technologies: PHP 4.x–7.x, MySQL, Zend Framework 1.x, Bootstrap, RactiveJS, Joomla!, Dojo Toolkit, jQuery, Photoshop, PrepTool by PDF-Tools, SetaPDF-Stamper, IIS, MS SQL Server, VB 6.0, VBA, Delphi, C#, Qt, Perl
Freelancer
Music Industry
- Freelance work on several software products for banks, corporations, and healthcare
- Technologies: Java, EJB, J2EE, Visual Basic 6.0, Visual C++, IIS, Apache, MS SQL Server, Oracle, MS Access 2000, Rational Rose
Freelancer
Waste Management Logistics
- Freelance work on several products of a software vendor
- Technologies: Borland Pascal, Delphi, MS Access 2.x–8.0, Oracle, Case 4/0 and 4/1
Freelancer
Hospital Management and Logistics
- Freelance work on a product of a software vendor
- Technologies: MS Access 2.x–8.0, Visual C++
Freelancer
Music Industry
- Extension of a product for registration and billing in the GEMA industry process
- Technologies: MS Access 2.x, Visual C++
Freelancer
Music Industry
- Developed software to manage all aspects of order and record production
- Technologies: MS Access 2.0
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Media and Entertainment (26 years), Information Technology (6.5 years), Healthcare (3 years), Manufacturing (2.5 years), Professional Services (2 years), and Arts and Crafts (1.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (31 years), Product Development (10.5 years), and Operations (1 year).
Summary
Since 1994, I have been contributing to projects as a freelancer and also handling entire projects on my own as an independent entrepreneur. This has let me gain experience with many tools and environments. Right now, my main focus is on web development with PHP and JavaScript. With many years in other areas of software development, like client/server programming, I can also support other project types.
Skills
Programming Languages: Php, Javascript, Typescript, Visual Basic, Vba, C, C++, Pl/sql, Transact Sql (Ms Sql Server), C#
Databases: Mysql, Ms Sql Server, Oracle, Ms Access, Dao, Ado, Ado.net, Odbc
Data Communication: Tcp/ip, Smtp, Http, Windows Network
Other: Com, Windows/.net Enterprise Services (Mts, Com+), Ooa/ood, Uml, Phpunit, Apache, Iis, Nginx, Laravel, Laravel Livewire, Laravel Passport (Oauth2 Library), Vue, Ractivejs, Tailwind Css, Alpinejs
Top Skills: Php, Mysql, Laravel, Livewire, Vue, Bootstrap, Ms Access, .Net (C#), Git, Svn
Experience With Modern Development Principles
I Also Understand Legacy Programming
Industries: Event Management In Security; Healthcare, Transport Logistics, Medical Information Systems; Waste Management Logistics; Financial Institutions/corporations: Cash Management; Tourism: Custom Internet Platforms; Real Estate: Custom Internet Platforms; Music Industry: Applications For The Entire Production Process Including Gema Accounting In An Industrial Process; Retail: Custom Internet Platforms; Office/remote Work: Dictation Service Via The Internet; Standards Institute And Book Publisher: Custom Internet Platforms
Languages
Education
University of Passau
Computer Science studies · Passau, Germany
Certifications & licenses
Zend Certification
Profile
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