AI Engineer / Data Engineer (m/f/d)

For our client in the energy industry, we are currently looking for an AI Engineer / Data Engineer (m/f/d)Start: asapDuration: 6 months (option of extension)Location: remoteLanguage: EnglishEU onlyProject & Role OverviewThe role focuses on building production-grade AI applications and LLM pipelines, with a strong emphasis on scalability, observability, and modern development practices.Key ResponsibilitiesDevelop production-grade Python applications using FastAPI, including async patterns and clean/easy patternsBuild and manage LLM pipelines using OpenAI SDK, LangChain, or LangGraphApply prompt engineering techniques, including structured outputs and Human-in-the-Loop (HITL) designEnsure LLM observability, meaning continuous monitoring, understanding, and analysis of LLM behavior in production (e.g., GPT, Copilot)Work with REST APIs and event-driven architecturesHandle PostgreSQL databases and manage upstream/downstream data contractsUse AI coding tools such as GitHub Copilot, Codex, Claude Code, or similarImplement CI/CD pipelines, Docker-based environments, and follow testing best practices (testing pyramid)Must-HaveStrong Python expertise with production-grade development (FastAPI, async patterns)Experience with LLM pipelines (OpenAI SDK, LangChain, LangGraph or similar)Solid prompt engineering skills (structured outputs, HITL concepts)Understanding of LLM observability (monitoring and analyzing LLMs in production environments)Experience with CI/CD pipelines, Docker, and testing strategies (testing pyramid)Experience with REST APIs and/or event-driven APIsDatabase experience, especially PostgreSQLFamiliarity with AI coding tools (GitHub Copilot, Codex, Claude Code, etc.)Knowledge of data contracts (upstream/downstream integration)English fluency (mandatory)Nice-to-Have SkillsExperience with event-driven architecture (Azure Service Bus, Kafka, RabbitMQ or equivalent)Knowledge of async workers, fan-out / join patternsExperience with Azure-native services (Container Apps, KEDA autoscaling, IAM, secrets management)General Azure experience