Senior Python Engineer- GenAI

Senior Python Engineer- GenAIJob detailsEngineeringStockholm, MilanFull-time€63,236 EUR - €70,825 EUR**Who you are*** A solid engineer with hands-on experience in Python and FastAPI, ideally in platform or infrastructure contexts.* Experienced with AI/LLM systems — including evaluation frameworks and observability tooling.* Familiar with Kubernetes and passionate about building reliable, scalable AI infrastructure.* Eager to contribute to engineering culture and help move Klarna forward on the GenAI frontier.**What you will do*** Manage and operate Klarna's AI Gateway, ensuring reliable, low-latency access to AI models at scale.* Onboard teams to the AI Gateway, configure model access, and support diverse use cases across technical levels.* Adapt and improve evaluation tooling for LLM applications using LangSmith.* Own tooling and processes that enable safe, compliant, and efficient GenAI use across the organisation.* Document operational procedures, respond to incidents, and ensure platform stability.* Drive knowledge sharing through structured learning programmes and help standardise AI content across the org.**Awesome to have*** Experience building or operating AI Gateways or similar ML infrastructure at scale.* Familiarity with LangSmith or other LLM observability and evaluation platforms.* Background in enablement, developer education, or internal platform evangelism.* Prior experience shaping team practices or contributing to engineering culture at a fast-moving company.
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