• Active co-development of complex and modern software solutions in the telephony industry
• Create technical specifications together with the team, adapt them to our solutions and implement them
• Takeover of technical leadership in sub-projects. You can plan, coordinate and help with the implementation
• Advice on architecture and technology issues and best practices
• Development and maintenance of software applications, components, modules or interfaces to databases and other applications
• Proactive detection of performance bottlenecks with appropriate countermeasures
• Ensure the solutions developed have high maintainability by promoting good design and refactoring
• Familiarization with new topics and implementation of pilot projects with the help of state-of-the-art technologies
• Improve and automate the deployment and test processes (continuous integration and continuous delivery)
• Creation and updating of documentation (models, interface descriptions, test procedures, etc.)
• With your experience, you are happy to take on the role of coach / enabler

• Completed degree (HF / FH or equivalent) in computer science
• Since graduating, you have 4 - 6 years of experience in the development of web-based services and their architecture
• You have preferably already come into contact with VoIP / SIP
• Kamailio, OpenSIPS, Asterisk, FreeSWITCH
• You have experience in communication and cooperation with external employees and international projects
• We give you the freedom for your own innovative ideas
• Good understanding of software security (SSL / HTTPS, JWT, encryption techniques)
• Good understanding of RESTful web services (REST APIs)
• Java + Spring Boot, PHP, LUA, C
• Experience with web technologies such as JavaScript, CSS, HTML5
• Good understanding of database modeling in SQL and noSQL systems (mySQL, MongoDB)
• You have a good knowledge of automated CI / CD pipelines and their tools
• In addition, you have acquired the following knowledge in your previous career:
  • Linux / RHEL, Shell Scripting, Git, Web & Application Server
  • Network, DNS, load balancer, HTTP

Innovative successful company with a progressive corporate culture

• Modern working conditions and excellent technical infrastructure
• Extensive fringe benefits such as employee conditions across the entire range

We would like to fill this position without a headhunter profile. Thank you for your understanding