Senior AI Engineer - Post Business Solutions GmbH (w/m/d)

Who We Are

Experience the best of both worlds: Our business unit, Post Business Solutions, operates as a strong B2B Digital Services Provider within the secure corporate environment of Österreichische Post AG. Post Business Solutions is Austria's leading provider of B2B solutions in the areas of digitization, automation, and outsourcing of business processes in information management. We leverage our position of strength, consistently expand our market position, and also expand into neighboring markets. We pursue a clear mission: We aim to elevate the entire usage and management cycle of our customers' information and documents to a completely new level of performance.

What We Can Offer You

• A dynamic and innovative work environment
• Opportunities to work on cutting-edge technologies in AI, cloud, and hybrid infrastructure
• Professional development and certification support
• Flexible working hours and hybrid work options
• A collaborative and inclusive team culture
• Discounted holiday offers & various shopping benefits
• Company health promotion & free bank99 employee Account
  
  
  

What You Will Work On

• End-to-End AI Engineering: Design and develop production-grade AI services using C# and .NET, integrating them seamlessly into our B2B document and information service architectures.
• Intelligent Automation: Implement Azure AI solutions and agentic workflows to automate multi-step business logic for our customers.
• Architectural Leadership: Shape advanced RAG architectures and LLM orchestration strategies across hybrid (cloud + on-premise) environments.
• Quality & Performance: Establish evaluation frameworks (e.g., RAGAS, DocVQA) to ensure high-performance model output, security, and scalability.
• Team Excellence: Guide developers through code reviews and mentorship while collaborating with stakeholders to translate business needs into technical roadmaps.
  
  
  

What You Bring With You

• Background: 5+ years of software engineering experience, ideally within regulated industries (e.g., finance, public sector, or logistics).
• AI Expertise: Proven track record in designing RAG architectures and agentic frameworks (e.g., Microsoft Agent Framework, Google Agent Development Kit), including familiarity with agents.md configurations and advanced prompting (e.g., CoT, Few-Shot, ReAct, and Prompt Chaining).
• The .NET Stack: Expert-level C# and .NET skills, with hands-on experience in Docker, Kubernetes, and the Azure AI ecosystem.
• Fluency in Python: Ability to work with data science notebooks, and leverage Python-based AI tooling.
• Modern Protocols: Practical knowledge of standards like MCP and A2A communication patterns.
• Model Knowledge: Experience deploying Open Source models (e.g., Llama, Mistral, or Gemma).
• Education & Certs: A technical degree (BSc/MSc) and relevant Microsoft AI certifications (e.g., Azure AI Engineer Associate).
• Languages: Minimum German B1 level for internal collaboration and fluent English skills.
  
  
  

The minimum salary for a full-time position is EUR 70,000 (gross annual salary all-in). However, we are of course willing to provide overpayment based on prior qualifications and experience!

Would you like to work in an innovative, modern unit of the Post? Then apply now!

I look forward to receiving your application.

Your recruiter Christian

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