Senior Full Stack Developer (m/f/d)

The Hallo Welt! GmbH is one of the leading specialists for the Wikipedia software MediaWiki. We are the developers of BlueSpice, the open source wiki for companies, which is used in more than 160 countries and has over 1,000,000 downloads.

We are fascinated by the task of developing easy-to-use, future-oriented enterprise software. Our application integrates state-of-the-art frameworks, new technologies, and global standards. We optimize, automate, test, and publish it in our cloud services or as a server solution.

We also deliver the full range of services: from planning, installation, and development to maintenance and support. Our specialized team of more than 40 employees ensures that the wikis of more than 250 customers from all industries and in three continents are optimally planned, implemented, and supported.

You would like to develop a groundbreaking wiki software with us? You have a lot of experience in the design and development of web-based applications and dare to tackle exciting topics and architectures? For the further development of our enterprise wiki software, we are looking for a full stack expert (m/f/d, full time) for web-based applications with immediate effect.

• You will be responsible for the development of new functionalities for BlueSpice on premise and in the cloud.
• Together with your colleagues, you will work on the continuous improvement of our product.
• You create customer-specific adaptations. You will discuss requirements, drafts, and results with customers.
• You support your colleagues in error analysis, bug fixes, documentation, and testing.

• You have several years of experience in designing and developing web-based applications.
• You have an excellent command of PHP and JavaScript and experience with modern UI frameworks such as VueJS.
• You dare to tackle exciting topics and architectures: object-oriented patterns, interfaces, PSR-4 standard, SOA, clean code.
• You are familiar with current practices and tools in web-based software development (Composer, Webpack, Storybook, CI/CD, Docker).
• You test your code in small scale using PHPUnit and have experience with E2E testing based on Webdriver.
• You have an analytical mindset, work independently, conscientiously and can organize yourself well.
• You have excellent communication and teamwork skills and have the confidence to manage a team.
• You are fluent in written and spoken English.
• Ideally, you have experience with MediaWiki.
• Ideally, you have a successfully completed degree in computer science, mathematics, or comparable studies.

• Varied and interesting tasks with a high degree of personal responsibility
• Flat company hierarchies, an international and motivated team, and good humor
• Secure workplace in one of the most beautiful cities in Germany with excellent public transport connections
• Flexible working hours, flexitime models, and option to work from home two days a week
• A personal budget for further education and training
• Extras such as a subsidy for the company pension scheme or e-bike leasing

• A position with the innovation driver for MediaWiki applications
• Access to state-of-the-art technologies such as Docker and many others
• Creative freedom in a small, but fine team of developers and tech support employees
• Challenging projects and continuous learning on the project
• Close contacts to a globally operating developer community