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