Extensive experience developing Conversational AI / chatbots using Cognigy (minimum 2 reference projects), Proven experience integrating GenAI / LLMs into chatbot platforms (minimum 2 project examples), Experience developing and integrating API / REST interfaces for chatbot and MCP systems (minimum 2 references with technology descriptions), Experience with CI/CD processes and DevOps tools (e.g. Git, automated deployment; minimum 1 reference project), Experience connecting to Multi Channel Platform (MCP) systems (minimum 1 project), Experience in developing complex chatbot or conversational AI modules (minimum 1 project), Hands-on experience with GenAI APIs (e.g. OpenAI, Azure OpenAI; minimum 2 references), Experience with monitoring and logging solutions for chatbot and AI applications, Experience working in agile environments (Scrum/Kanban; minimum 3 projects or relevant certification), Strong skills in technical documentation and code reviews (samples may be requested), Experience developing secure and GDPR-compliant interfaces (minimum 1 reference), German language skills at B1 level or higher