AI ENGINEER (m/f/d)
Schwarz Group29 days ago
Sofia, BulgariaSenior
Responsibilities
- Architect, implement, and iterate on prompt logic, agentic decision flows, and multi-agent routing graphs.
- Design tool schemas, API integrations, and structured outputs for LLM reasoning and execution.
- Implement OpenTelemetry tracing and observability across agent pipelines, LLM calls, and tool interactions.
- Build context-management and retrieval-augmented generation strategies for accurate, low-latency results.
- Design fallbacks, safety guardrails, and mitigations for hallucinations, uncertainty, and other AI failure modes.
- Continuously evaluate and test LLM behavior against business logic and user intents.
- Embed traceability and logging into AI decision paths to support auditability and EU AI Act compliance.
- Collaborate with Data Scientists, DevOps engineers, and Data Engineers to deploy scalable agentic systems.
Requirements
- Demonstrated software engineering background with deep hands-on expertise in LLMs, prompt engineering, and agent frameworks such as LangChain, LlamaIndex, or AutoGen.
- Strong business and domain understanding, including the ability to translate ambiguous business goals into LLM behavior design.
- Practical production experience with model routing, cost and latency tradeoffs, and GenAI failure-mode mitigation.
- Proficiency in Python, API development, Git, unit testing, and software development practices.
- Ability to communicate with and manage stakeholders and translate business requirements into data-driven solutions.
- Good understanding of Data Engineering, Data Science, and MLOps disciplines.
- Enthusiasm for collaboration, knowledge sharing, and learning in a fast-evolving AI environment.
- Very good English skills; German is a plus.
Benefits
- International team and career-growth opportunities within a technology organization serving the Schwarz group across more than 30 countries in Europe and the US.
- Opportunity to work on STACKIT sovereign cloud, XM Cyber, and production-grade AI systems.
Categories
About Schwarz Group
Schwarz Group is a German retail group that owns and operates the Lidl and Kaufland grocery chains, plus production and waste-management businesses (Schwarz Produktion and PreZero). Through its digital arm Schwarz Digits it builds and runs IT, cloud, data, and security services for its brands and external clients, and offers retail media solutions via Schwarz Media. Headquartered in Neckarsulm, it is privately held and active across Europe and beyond.