17 of 17 LangChain Jobs in the City of London

Lead Gen AI Engineer/Architect

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
open source, or industry impact). Technical Excellence Expert Python and modern ML frameworks (PyTorch, TensorFlow). Strong experience with Generative AI tooling (e.g. LangChain, LangGraph or similar). Deep understanding of LLMs, prompt engineering, RAG, vector databases, evaluation, and security. Hands-on experience with fine-tuning, deploying, and monitoring ...

AI TECHNOLOGY CONSULTANT

Hiring Organisation
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Location
City of London, London, United Kingdom
models, databases, ETL, and data pipelines. Experience with cloud (AWS/Azure/GCP) and MLOps. Expertise in generative AI & LLMs (OpenAI, Hugging Face, LangChain, vectors). Exceptional communicator and client‐facing collaborator. Preferred: Advanced degrees or relevant certifications. Experience with agentic AI tools and governance principles. Leadership or project ...

Artificial Intelligence Engineer

Hiring Organisation
Peaple Talent
Location
City of London, London, United Kingdom
strong stakeholder management Proficiency across Python or Java, ML frameworks (TensorFlow, PyTorch, scikit-learn), and cloud AI services Knowledge of agentic tools such as LangChain Agents, AutoGPT, and CrewAI, plus familiarity with GenAI/LLM integrations (e.g., Hugging Face, RAG, OpenAI) STEM background and clear communication skills — able to translate ...

AI Lead

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Scikit‐learn, XGBoost, LightGBM, CatBoost Time‐series forecasting (Prophet, SARIMAX, ML‐based approaches) Optimisation frameworks (OR‐Tools, Pyomo) Agentic AI & LLMs (Nice to Have) LangChain or Semantic Kernel Vector databases (Pinecone, Weaviate, Milvus, Azure Vector DB) Evaluation frameworks (LangSmith, DeepEval) LLM integration (OpenAI/Azure OpenAI) Software Engineering & Platform Docker ...

Senior Data Scientist - AI

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
years experience in a commercially driven customer environment Strong Python skills and solid grounding in AI/ML fundamentals. Experience with some of Databricks, LangChain , vector databases , or LLM orchestration tools . Knowledge of RAG pipelines , transformers , and modern AI architectures . Understanding of deployment or MLOps best practices (Azure ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£53.85 - £61.68 per hour
Skills & Experience Strong proficiency in Python for AI/ML workflows . Strong proficiency in Angular (primary frontend); React optional. Hands-on experience with LangChain, LangGraph, and Indexify , with a deep understanding of RAG architectures . Expert-level SQL and experience with BigQuery and vector databases (Pinecone, Weaviate, Vertex ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Artificial Intelligence Engineer - Fitness & Health

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
teams What they’re looking for 4-6+ years of industry experience Strong Python and SQL Hands-on GenAI delivery (RAG/LLMs; LangChain-style tooling strongly preferred) Comfortable operating independently with real ownership Solid stakeholder management and ability to explain clearly to non-technical audiences DS background that ...

Presales Solutions Architect

Hiring Organisation
Impetus
Location
City of London, London, United Kingdom
major cloud platforms- AWS, Azure, GCP Knowledge of GenAI technologies, including LLMs (Large Language Models), generative models, and related frameworks (e.g., LangChain, TensorFlow, etc.) Possess knowledge of cloud-based AI/ML services like AWS SageMaker, Azure Machine Learning, Google AI Platform, Databricks GenAI/BI, Snowflake GenAI, and their ...

Artificial Intelligence Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Pension: 5% matched • Working model: Hybrid, 3 days per week (Tuesday & Wednesday fixed) • Location: Central London • Stack: Python, Databricks, RAG, vector databases, Azure (preferred), LangChain/LangFuse • Visa: This role cannot sponsor Interested? Please apply below. ...

Artificial Intelligence Engineer

Hiring Organisation
Space Executive
Location
City of London, London, United Kingdom
autonomous AI What You’ll Need: A strong foundation in data science and machine learning Hands-on use of modern AI tools (LLMs, RAG, LangChain, co-pilots, agentic workflows) Curiosity and eagerness to learn in a fast-moving AI landscape Experience collaborating with stakeholders and translating business problems into technical ...

Principle AI Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
structured knowledge representation, where they add value. Required Skills & Experience Strong Python proficiency for production-grade AI development, with hands-on experience using LlamaIndex, LangChain, and LangGraph. Proven experience building Retrieval-Augmented Generation (RAG) systems; Graph-RAG experience is a plus. Practical experience with model adaptation techniques, including prompting, fine ...

Artificial Intelligence Engineer

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
About Us: Synechron is a leading global consulting and technology services provider, specialising in digital transformation within financial services. Our AI Practice focuses on delivering cutting-edge AI and machine learning solutions to our clients. ...

AI Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
accuracy, speed up assessments, and delight users Work with industry experts to turn messy claim processes into AI-driven workflows Deploy solutions using LLMs, LangChain, and RAG at scale What we're looking for 2+ years in AI/ML engineering or research Proven track record taking projects from idea ...

AI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Hugging Face, and custom model endpoints. - Lead vector database adoption (MongoDB Atlas Vector Search, FAISS, Pinecone). - Design end-to-end AI pipelines using LangChain or LlamaIndex. - Ensure AI solutions meet enterprise-grade security, compliance, and performance. - Collaborate with backend, cloud, and data teams on scalable deployments. Mandatory Skills: - Expertise … Generative AI, embeddings, vector search, and model orchestration. - Strong programming skills in Python and Java. - Experience with LangChain, LlamaIndex, Hugging Face. - Knowledge of cloud AI platforms (Azure AI Services, AWS Bedrock, GCP Vertex AI). - Hands-on experience with Docker, Kubernetes, GitLab CI/CD. - Understanding of event-driven architectures ...

Data Scientist

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
develop data-driven applications and services that support analytics, ML, and LLM use cases Build and orchestrate data workflows and LLM pipelines using LangChain and/or LangGraph Develop scalable data processing and backend services using Python Work with structured and unstructured data to enable analytics, experimentation, and AI model … Experience Strong commercial experience in data engineering and/or data science roles Hands-on experience building data pipelines and AI-enabled workflows using LangChain and/or LangGraph Excellent Python development skills for data processing and backend services Solid experience with JavaScript and TypeScript Proven experience deploying data platforms ...