Johannes Obier-Co-Developer

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Experience
Co-Developer
fundgarden GmbH
- Work with the Berlin-based fundgarden GmbH (fund.garden), a platform for funding management with a focus 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 for a print 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
- Work on various projects including further development of the product
- Technologies: PHP ≥7.4, Laravel 6–8, Vue, Bootstrap
Freelancer
Normeninstitut und Buchverlag
- Modification and extension work on several web applications
- Expansion of an intranet/backoffice solution for the automated supply of large customers with customer-specific DIN-VDE standards base material
- Handling up to 18,000 PDF documents with stamping, password protection, and access 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 on behalf of 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
Normeninstitut und Buchverlag
- Re-implementation of an existing website with a 100% back office area for capturing and providing documents
- Features such as email sending with individual retrieval links, manual and automatic order entry, 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
Normeninstitut und Buchverlag
- Development of a website for new subscriptions and subscription changes
- Connection 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 the same codebase
- Implementation of the client and synchronization of event data and badge 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
Agentur für Bürodienste
- Dictation service via the internet ([link] in remote work
- Assignment of remote workers to dictation jobs with a medical and legal focus
- Job submission by customers with upload of dictations and templates, automatic assignment, status tracking, automatic notifications
- 2014 re-implementation as a web application with a JSON API, replacing a combination of XML web service and Windows application
- Technologies: PHP 5.x–7.x, Laravel 3.x–6.x, Bootstrap, jqGrid
Freelancer
Musikindustrie
- Re-implementation of a product developed between 1994 and 1997 for the business successor
- Technologies: MS Access 2003, Visual Basic 6.0, Delphi
Freelancer
Normeninstitut und Buchverlag
Development of several custom shop systems and websites, including the publisher's main website ([link] and a closed user area with a large backend
Reimplementation of Oracle Forms applications with MS Access
Development of several Windows applications for internal use
Several relaunches of the websites I created
2018–2019 extensive rebuild of the main website with CRM and merchandise management integration, JSON interfaces, single sign-on, direct order handoff, and compliance with privacy, EU trade, and e-payment requirements
MS Access application for managing standards and print data with export and report generation, tables of contents, and filing instructions
Technologies: PHP 4.x–7.x, MySQL, Zend Framework 1.x, Bootstrap, RactiveJS, Joomla!, Dojo Toolkit, jQuery, Photoshop, PrepTool from 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, large companies, and the healthcare sector
- Technologies: Java, EJB, J2EE, Visual Basic 6.0, Visual C++, IIS, Apache, MS SQL Server, Oracle, MS Access 2000, Rational Rose
Freelancer
Waste disposal logistics
- Freelance work on several products from a software manufacturer
- 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 one product from a software manufacturer
- 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
- Development of software for managing all aspects of order and record production
- Technologies: MS Access 2.0
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Media and Entertainment, Information Technology, Healthcare, Manufacturing, Arts and Crafts, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Operations.
Summary
Since 1994, I have been offering support on projects as a freelancer, as well as the full delivery of complete projects as an independent sole proprietor. This has allowed me to gain experience with a wide range of tools and environments. Right now, my main focus is web development with PHP and JavaScript. With many years of work in other areas of software development, such as client/server programming, I can also support other types of projects.
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
Also Understands Legacy Programming
Industries: Event Management In The Security Sector; Healthcare: Health Care, Transport Logistics, Medical Information Systems; Waste Disposal Logistics; Financial Institutions / Corporations: Cash Management; Tourism: Custom Internet Platforms; Real Estate: Custom Internet Platforms; Music Industry: Applications To Support The Full Production Process Incl. Gema Billing In An Industrial Process; Retail: Custom Internet Platforms; Office / Telework: 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
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Johannes is based in Werder (Havel), Germany.
Johannes speaks the following languages: English (Advanced), French (Advanced), Italian (Advanced), German (Intermediate).
Johannes has at least 32 years of experience. During this time, Johannes has worked in at least 2 different roles and for 10 different companies. The average length of individual experience is 2 years. Note that Johannes may not have shared all experience and actually has more experience.
Based on recent experience, Johannes would be well-suited for roles such as: Co-Developer, Freelancer.
Johannes's most recent position is Co-Developer at fundgarden GmbH.
In recent years, Johannes has worked for fundgarden GmbH, Druckhaus meo-media.de, E-Projecta GmbH, Normeninstitut und Buchverlag, and Living Quarter GmbH.
Johannes is most experienced in industries like Media and Entertainment, Information Technology, and Healthcare. Johannes also has some experience in Manufacturing, Arts and Crafts, and Professional Services.
Johannes is most experienced in business areas like Information Technology, Product Development, and Operations.
Johannes has recently worked in industries like Media and Entertainment, Information Technology, and Manufacturing.
Johannes has recently worked in business areas like Information Technology and Product Development.
Johannes attended University of Passau for Computer Science studies.
Johannes has 1 certificate: Zend Certification.
The availability of Johannes needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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