AI Engineer – Backend

• Develop and implement maintainable, thoroughly tested backend services and full-stack applications, with a focus on Clean Code, TDD, and sound architecture
• Develop business-specific AI applications such as RAG systems, assistants, and generative text processing based on existing Large Language Models
• Use modern AI tools such as GitHub Copilot and Claude Code to increase development speed and quality
• Integrate AI models and services into existing systems and workflows
• Develop data integration solutions for continuous, automated data flows
• Prepare and process data for AI applications
• Design, document, and deploy clean APIs
• Build automated tests and CI/CD pipelines
• Continuously evaluate and improve software components and RAG pipelines
• Contribute to optimizing business processes and achieving strategic company objectives

• 5+ years of professional software development experience, ideally in a senior role
• Advanced knowledge of Python for backend development, data engineering, and prototyping, or a comparable language
• TypeScript and/or C# is a plus
• Practical experience with Clean Code, Test-Driven Development, automated testing, and code reviews
• In-depth knowledge of RAG pipelines and vector databases
• Practical experience with LLM-based applications
• Strong backend foundation combined with frontend knowledge, such as TypeScript/React
• Ability to manage multiple tasks, set priorities, and focus solutions on tangible value
• Ability to communicate technical concepts to non-technical stakeholders and collaborate with diverse teams
• German language skills at least at C1 level, both written and spoken
• Residence in Germany, Austria, or Spain
• Experience with AI tools such as GitHub Copilot or Claude Code, or with agentic development, is desirable
• Ability to plan and execute development projects is desirable
• Clear and precise technical documentation skills are desirable
• Willingness to develop creative ideas and experiment with new approaches is desirable

• 30 days of annual leave
• Home office options
• Sabbatical
• Up to 180 days of working abroad
• Vacation and workations at our seminar houses in Berlin and Pommritz
• Numerous offers and discounts through Corporate Benefits
• Company running events
• Sports and relaxation programs with Voiio
• JobRad bicycle leasing
• Corporate fitness with EGYM Wellpass
• Yoga retreats
• Dietary supplements
• Ergonomic workplace equipment
• Coaching and consulting services
• Various training opportunities
• Three professional development days
• Individual professional and personal development opportunities
• LinkedIn Learning
• Team development programs
• Leadership Management Program
• Microsoft 365 with Copilot
• Excellent compatibility between career and family life
• Paid leave to care for sick children
• Family vacations at our seminar houses
• Paid special leave for caring for relatives
• Digital childcare and tutoring with Voiio
• Annual celebrations
• Mindful meeting culture
• Onboarding seminars and onboarding buddies
• Open culture of learning from mistakes and giving and receiving feedback
• Autonomous work
• Meaningful work with positive social impact
• Commitment to the common good with a focus on sustainability
• Herzensprojekte by WBS GRUPPE donation campaign