25 of 25 Remote/Hybrid Semantic Search Jobs in London

anyone else. Join us and you’ll keep millions of users listening by making great recommendations to each and every one of them. Spotify Search handles billions of queries across every market, language, and content type — music, podcasts, audiobooks, videos, playlists, and more. We’re looking for a Principal … Product Manager to lead the Search Personalization within our Conversation Product Area, setting the product strategy for how hundreds of millions of users find and discover content on Spotify. This is a leadership role at the intersection of search systems, AI, and user experience. ...

Opus Recruitment Solutions Limited is partnering with a global organisation in London to recruit a Data Scientist for AI-powered knowledge discovery, intelligent search, and scientific insight generation. The role focuses on hands-on work with LLMs, retrieval systems, semantic search, NLP and embeddings, plus building ...

tools and data capabilities that allow AI agents to securely access, understand and use data. A key initial focus will be creating reusable search, retrieval and agentic capabilities that enable sophisticated internal research and automation using corporate data. You will also contribute to the wider development of GenAI capabilities … Help develop reusable tools that enable AI agents to securely discover, retrieve and use corporate data, including data held within our corporate data warehouse. Search & Retrieval: Develop semantic, vector and hybrid retrieval capabilities across structured and unstructured enterprise data. MCP & Agent Tooling: Build MCP servers, APIs and reusable ...

someone who can combine technical depth with architecture-level thinking. You should be confident designing AI platforms, RAG systems, LLM applications, multi-agent workflows, semantic retrieval solutions, and MLOps pipelines for regulated or enterprise-scale environments. Key Responsibilities Design enterprise AI architectures using GenAI, LLMs, RAG, agentic AI, vector … databases, and cloud-native platforms. Define scalable architecture patterns for production AI applications. Lead solution design across semantic search, document intelligence, AI assistants, knowledge retrieval, workflow automation, and decision support systems. Build architecture approaches for retrieval orchestration, embeddings, reranking, grounding validation, observability, and evaluation frameworks. Work with engineering ...

with cloud platforms to support scalable AI deployment. Integrate GenAI features into existing products, platforms, and business systems. Build and maintain data pipelines, vector search, embeddings, and knowledge retrieval workflows. Support experimentation, model evaluation, testing, monitoring, and optimisation. Work with software engineering teams to ensure AI solutions are reliable … prompt engineering, or AI agents. Strong Python development experience. Experience working with APIs and integrating AI services into applications. Understanding of embeddings, vector databases, semantic search, and retrieval workflows. Experience with cloud platforms such as AWS, Azure, or GCP. Good understanding of software engineering best practices, testing, version ...

ship AI-powered features for our clients' Python web applications. You'll take LLM and machine learning ideas from prototype to production, adding AI search, intelligent agents, and automation to Django and FastAPI products. You'll work closely with our senior Python engineers and with client teams. Key responsibilities … Design and build LLM-powered features such as retrieval-augmented generation (RAG), semantic search, chat assistants, and AI agents- Integrate LLM APIs (e.g. OpenAI, Anthropic, Gemini) and open-source models into Django and FastAPI services- Build and maintain data pipelines for document ingestion, chunking, embeddings, and vector search ...

into resilient production applications. Retrieval-Augmented Generation (RAG): Design and tune enterprise-grade RAG pipelines, including chunking strategy, dense/hybrid retrieval, reranking, and semantic search. Data Platform Engineering: Build scalable, streaming, and batch data processing pipelines across modern cloud lakehouse architectures (Delta Lake, streaming architectures, and unified governance ...

about. With strong Python at the heart of everything you do, you'll work across a modern AI stack — LangGraph, LangChain, FastAPI, Azure, vector search and graph databases — building sophisticated, reliable systems that scale. You'll join a talented, multidisciplinary team that values engineering craft as much as innovation … grounding, context management, evaluation, reliability and performance. Experience in any of the following would be particularly valuable: complex RAG architectures (multi-stage retrieval, hybrid search, reranking, agent-driven retrieval); graph databases and GraphRAG, particularly ArangoDB; Azure AI services (Azure OpenAI, AI Search, Cosmos DB, AKS, Functions); vector/ ...

Generation (RAG) and AI applicationsAgentic AI, AI agents, intelligent assistants and AI-enabled automationPrompt engineering, AI evaluation and Responsible AIAI orchestration frameworks e.g. LangChain, Semantic Kernel, Model Context Protocol (MCP)Data engineering, pipelines, modelling and governanceAdvanced analytics, machine learning and statistical modellingData visualisation and insight solutionsCandidates should understand … Spark, machine learning and advanced analyticsCloud & Data Platforms – Microsoft Fabric, Databricks, Snowflake, Azure, AWS and GCPAI Technologies – GenAI frameworks, Agentic AI, vector databases, semantic search, knowledge retrieval and LLM application developmentData & Visualisation – Power BI, Tableau, Looker and other business intelligence toolsConsulting, Communication & Leadership:Ability to work effectively with ...

challenges from first principles. Ability to commute to a London office once per week. Desirable Experience AI orchestration and workflow frameworks. Knowledge graph or semantic search technologies. Model fine-tuning and evaluation. MLOps, CI/CD, containerisation, and cloud-native deployment practices. Experience developing autonomous agents and reasoning ...

evaluation (eval datasets, automated and expert-in-the-loop scoring, regression testing). Experience with API integration, retrieval layers, knowledge graphs, ontologies, or semantic search. Daily use of AI coding agents (Claude Code, GitHub Copilot, Databricks AI Assistant) as the primary mode of development. Preferred Experience Prior experience ...

production, including multi-agent orchestration, tool use via MCP, agent memory and agentic RAG.Depth in NLP, such as information extraction, classification, summarisation and semantic search, or fine-tuning LLMs. Experience building shared AI platforms or reusable capabilities consumed by multiple product teams, such as internal MCP servers … agent tooling. Experience with vector search at scale, using tools such as OpenSearch, Amazon S3 Vectors or pgvector. Familiarity with AI governance and regulation, and with putting responsible AI practices into day-to-day engineering. An advanced degree in computer science, data science, linguistics or a related quantitative field ...

Foundry, Azure OpenAI, Claude and open-source large language models, you'll design and deploy enterprise-scale AI products using agentic AI, RAG, vector search and machine learning technologies. You'll lead a blended team of AI engineers and vendor partners, driving delivery while establishing best practices … looking for: AI & GenAI Platform Leadership – Excellent experience designing and delivering AI solutions using Azure AI Foundry, Azure OpenAI, OpenAI, Azure AI Search, Claude and open-source LLMs, driving adoption across enterprise platforms. Engineering Leadership & Delivery – Deep software engineering expertise, strong Python skills, and hands-on delivery ...

modelling and automated assessment systems. Develop and maintain data pipelines, services and infrastructure. Contribute to new AI capabilities, including Large Language Models (LLMs), embeddings, semantic search and Retrieval-Augmented Generation (RAG). Deploy, monitor and troubleshoot production data and machine learning systems. Work collaboratively with software engineers, data ...

OpenAI APIs and/or Anthropic Claude. Practical experience with prompt engineering, system prompts, and evaluation techniques. Experience implementing RAG architectures, vector databases, and semantic search. Cloud & Platforms Strong experience with Google Cloud Platform (GCP), ideally Vertex AI. Experience deploying services using Docker/containerised workloads. Understanding of cloud ...

Experience Experience with PyTorch, TensorFlow or other machine learning frameworks. Knowledge of LLM fine-tuning, model distillation and optimisation techniques. Experience with vector databases, semantic search, knowledge graphs or related technologies. Familiarity with AI governance frameworks, security standards or ISO 42001. Contributions to open-source projects, research ...

infrastructure and datacenter teams through APIs, CLI, dashboards, and Slack. Core Agent Platform — Build the platform that powers these agents, including knowledge graphs, search and retrieval, orchestration, evaluation, and the tooling that enables agents to reason, act, and continuously improve. We’re working on something that hasn’t really … production. Depth in at least one of the following: AI agent systems, orchestration, tool use, evaluation, or grounding Knowledge graphs or graph data modeling Search, retrieval, ranking, RAG, or semantic search systems Strong backend engineering experience, including API design, service boundaries, data modeling, and integrations across complex ...

backend services. Key responsibilities will include: Building production applications and services using Python Developing solutions using LLMs and Generative AI Creating RAG and semantic retrieval solutions over structured and unstructured information Developing intelligent workflows using AI agents and orchestration frameworks Building scalable backend APIs using FastAPI Implementing document processing … embedding and vector-search capabilities Connecting AI services with existing applications, databases and data sources Creating methods for testing and measuring the quality of AI-generated outputs Containerising and deploying applications into modern cloud environments Writing clean, maintainable and well-tested software Working closely with product, engineering and business ...

Search & Discoverability Lead (SEO/AEO/GEO) Location: UK/EMEA (Remote/Hybrid) Type: Full-Time, Permanent Function: Strategy/Data & Discoverability Level: Senior Consultant/Lead At Horizontal Digital, we hold ourselves to one key belief: You’re only as good as your worst customer experience. … push past the easy answers and collectively arrive at bigger, more inspiring ideas. But enough about us. Let’s talk about you. As our Search & Discoverability Lead, you'll shape how we deliver visibility across search engines, answer engines and AI-driven platforms for ambitious brands across Healthcare ...

managing containerized workloads and automated CI/CD pipelines. Advanced RAG: Experience building production-ready Retrieval-Augmented Generation systems, including vector database management and semantic search optimization. Preferred Qualifications Experience in the insurance or financial services sector. Deep knowledge of GPU architecture , CUDA, and hardware-level performance optimization. ...

building LLM, RAG or AI-powered search solutions and looking for your next challenge? London (Hybrid) I'm working with a global organisation seeking a Data Scientist to help develop next-generation AI products focused on knowledge discovery, intelligent search, and scientific insight generation. With a long-standing … professionals discover, evaluate and interact with complex information. We're looking for someone with hands-on experience across: LLMs & Generative AI RAG & Retrieval Systems Semantic Search & Information Retrieval NLP & Embeddings Agentic AI Workflows (LangGraph, LangChain etc.) Production AI & MLOps This is an opportunity to work on cutting-edge ...

building LLM, RAG or AI-powered search solutions and looking for your next challenge? London (Hybrid) I'm working with a global organisation seeking a Data Scientist to help develop next-generation AI products focused on knowledge discovery, intelligent search, and scientific insight generation. With a long-standing … professionals discover, evaluate and interact with complex information. We're looking for someone with hands-on experience across: LLMs & Generative AI RAG & Retrieval Systems Semantic Search & Information Retrieval NLP & Embeddings Agentic AI Workflows (LangGraph, LangChain etc.) Production AI & MLOps This is an opportunity to work on cutting-edge ...

deployment and continuous improvement of Data Science developments. Oversee the evolution of AI-powered product capabilities, including personalized recommendations, the automated daily digest feature, semantic search and future content discovery innovations. Ensure that Data Science initiatives are prioritized according to their expected impact, feasibility and alignment with Cafeyn ...

matters AI-native thinking: excited about what AI can do and how to use it practically (e.g. prompt chaining, function calling, semantic search) High agency: you find problems, fix them, and communicate clearly Generalist mindset: happy to jump between frontend, backend, infra, and debugging Strong collaboration: async ...

development (Claude, Cursor etc) Worked on a broker platform or similar industry experience a huge plus Nice to haves: Spring Boot Elasticsearch Vector embeddings Semantic search Job Offer Performance based discretionary cash bonus scheme Discretionary stock grant Group Life Assurance cover Group Income Protection Occupation pension scheme based ...