AI Engineer (LLM & Agentic Systems)

Location: Remote (Poland only)Start: ASAP / within 30 daysType: Long-term engagementWe are looking for a AI Engineer to build and scale production-grade LLM solutions used by real customers. You will take AI features from concept to production, ensuring high quality, performance, observability, and reliability.ResponsibilitiesBuild end-to-end LLM applications using LangGraph and FastAPIDesign agentic workflows, RAG pipelines, and tool-calling solutionsCreate evaluation frameworks and regression tests for LLM qualityImprove retrieval, prompting, and overall answer accuracyMonitor and debug production AI systems using tracing and observability toolsOptimize latency, token usage, and infrastructure costsRequirementsMinimum 4 years of experience.Strong experience with backend development (APIs, async programming, testing)Proven experience delivering and maintaining LLM solutions in productionHands-on experience with LangGraph and RAGExperience debugging AI systems, including evaluation, observability, and cost optimizationCloud experience, preferably AzureStrong analytical and problem-solving skillsEnglish at minimum B2 levelProactive, collaborative, and communicative approachNice to HaveAzure OpenAIAzure AI SearchAzure App ServiceBicep (Infrastructure as Code)Mentoring or Tech Lead experienceTech StackPython, FastAPI, LangGraph, Azure OpenAI, Google Gemini, Anthropic Claude, FAISS, PostgreSQL, Langfuse, Azure Application Insights, Bicep, Docker/Podman.What We OfferFully remote work within PolandLong-term projectPrivate healthcare (Medicover)Multisport cardGroup life insuranceOpportunity to work on cutting-edge AI solutions at scale