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Artificial Intelligence Engineer

Fimador

LLM EngineerleadLondon Area, United KingdomonsitefulltimeTechnology, Information and Media, IT System Custom Software Development, and Software DevelopmentRAG pipelinesLLM orchestrationsemantic searchvector databasesAWSDatabrickscloud-native platformsAI governanceposted
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Fimador are recruiting on behalf of a prestigious SaaS organisation operating at the forefront of AI-driven enterprise technology. We’re looking for a Principal Software Engineer with deep expertise in Generative AI and large-scale platform engineering to help shape the next generation of intelligent software products used within highly complex, data-rich environments. What you’ll be doing: * Architecting and delivering advanced GenAI solutions across cloud-native platforms * Designing intelligent systems using approaches such as RAG pipelines, LLM orchestration, semantic search, and AI-assisted workflow automation * Leading the transition of AI initiatives from proof-of-concept into production environments * Driving engineering standards around reliability, observability, scalability, and AI governance * Collaborating with cross-functional teams including data specialists, product leaders, and domain experts * Mentoring engineers and influencing technical strategy across the wider organisation What we’re looking for: * Strong experience building and deploying LLM-powered applications in production * Expertise across AI/ML engineering, distributed systems, APIs, and cloud architecture * Experience working with vector databases, unstructured data pipelines, and modern retrieval techniques * Proven ability to balance performance, cost, security, and scalability in enterprise AI systems * Strong software engineering fundamentals with experience leading technical delivery at senior/principal level * Exposure to AWS, Databricks, or modern cloud data ecosystems would be advantageous * Background in regulated or highly data-sensitive industries * Experience establishing AI engineering best practices, evaluation frameworks, or governance standards