LLM Application Engineer

LLM Application EngineerBerlin, Germany (Hybrid)AI SaaS | Productivity PlatformsGenerative AI is rapidly changing how software is designed, built, and used.From intelligent assistants and knowledge management platforms to workflow automation and agentic systems, Large Language Models are enabling a new generation of business applications that were impossible just a few years ago.For one of our clients, a fast-growing AI scale-up based in Berlin, we are looking for an LLM Application Engineer to help develop innovative AI-powered products used by organisations across Europe.This is an opportunity to join a team working at the forefront of applied AI, building customer-facing applications that combine modern software engineering with the latest advances in Large Language Models, retrieval systems, and intelligent automation.What You'll Be Working On• AI-powered business applications• Agentic workflows and AI assistants• Retrieval-Augmented Generation (RAG) systems• Knowledge management and search platforms• Workflow automation and productivity tools• LLM integration and orchestration frameworksTechnical Environment• Python• OpenAI APIs• LangChain• FastAPI• Vector Databases• PostgreSQLExperience Required• 3+ years of commercial software engineering experience• Experience designing and developing APIs and backend services• Experience delivering production applications used by real customers• Strong problem-solving and software design skills• Passion for building products that combine AI and user experienceNice to Have• Experience working with LLMs and Generative AI platforms• RAG implementation experience• Prompt engineering and evaluation frameworks• Docker and Kubernetes• AWS, Azure, or GCP experience• Familiarity with agent frameworks such as LangGraph, CrewAI, or similar toolsWhat Makes This Role Interesting?🚀 Work on products where AI is the core offering, not an add-on feature🚀 Join one of Europe's fastest-growing technology sectors🚀 Build applications used by real customers in production environments🚀 Collaborate with AI engineers, product leaders, and software developers in a highly innovative environment🚀 Help shape the future of intelligent software products