LangGraph Jobs in London

24 of 24 LangGraph Jobs in London

AI Engineer - Level 3

London, United Kingdom
Hybrid / WFH Options
Meltwater Group
Python and familiarity with Java/Kotlin, with a solid understanding of API design, development and integration patterns LLM and Generative AI Expertise Experience with frameworks such as LangChain, LangGraph, and APIs from OpenAI, Anthropic, etc. Knowledge of vector databases and RAG (e.g., OpenSearch, ElasticSearch) for semantic search and knowledge retrieval Demonstrated proficiency in prompt engineering and orchestrating AI agents More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Product Engineer remote

South West London, London, United Kingdom
Hybrid / WFH Options
Serve Legal
one modern language (JavaScript/TypeScript, Java, Python) Web & Product Development: Frameworks (React, Node.js, Django/Flask) AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama Agentic AI: Frameworks (langchain, langgraph, Google ADK) AI enabled code tooling: Cursor, Windsurf, GitHub copilot AI powered platform development: Lovable, Replit, Bolt APIs & Microservices: RESTful APIs, GraphQL, microservice architectures Cloud & DevOps: AWS, Azure, or GCP More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Backend Software Engineer

london, south east england, united kingdom
Allegis Global Solutions
or persona-based evaluations. Knowledge of AI/ML approaches and deployment of AI/ML powered applications – especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen), Knowledge of AI/ML evaluation and benchmarking approaches, experience with iterative improvement of AI/ML models and products. Research experience (e.g., Master’s project, internship at More ❯
Posted:

Senior Gen AI Engineer - London Hybrid - £90-120k

City of London, London, England, United Kingdom
Hybrid / WFH Options
Ada Meher
work on production level LLM/Gen AI projects Strong experience with Python/FastAPI, Node/Typescript or similar Experience with relevant technologies such as OpenAI, LangChain/LangGraph, LlamaIndex Experience with Hugging Face and LoRA/QLoRA for fine-tuning Experience with RAG & Vector DBs eg. FAISS, Weaviate, Pinecone Any experience of MLOps with MLFlow, AWS (SageMaker), CI More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Full Stack Software Engineer

London, United Kingdom
Hybrid / WFH Options
Experis
multi-container applications Demonstrated experience with biological or scientific data (e.g. genomics, transcriptomics, proteomics), or pharmaceutical industry experience, especially design of data visualisations Knowledge of agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen More ❯
Employment Type: Contract
Rate: £750 - £880/day
Posted:

Full Stack Software Engineer - AI/ML

London, United Kingdom
Hybrid / WFH Options
Experis
/GitHub) Preferred qualifications: Knowledge of AI/ML approaches and deployment of AI/ML powered applications - especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen) Prior experience conducting user research for AI applications Knowledge of AI/ML evaluation and benchmarking approaches, including safety and robustness evaluations Web-based front end development experience More ❯
Employment Type: Contract
Rate: £750 - £880/day
Posted:

MiFID Project Manager

London, South East, England, United Kingdom
Adecco
containerized applications, particularly multi-container architecture.Experience with biological or scientific data (e.g., genomics, transcriptomics, proteomics) or pharmaceutical industry experience, especially in designing data visualisations.Knowledge of agent-based approaches (e.g., LangGraph, PydanticAI, AutoGen).If you're looking for a role where your skills will make a significant impact, apply now with your updated CV to become a part of our dynamic More ❯
Employment Type: Contractor
Rate: £800 - £870 per day
Posted:

MiFID Project Manager

City of London, London, United Kingdom
Adecco
particularly multi-container architecture. Experience with biological or scientific data (e.g., genomics, transcriptomics, proteomics) or pharmaceutical industry experience, especially in designing data visualisations. Knowledge of agent-based approaches (e.g., LangGraph, PydanticAI, AutoGen). If you're looking for a role where your skills will make a significant impact, apply now with your updated CV to become a part of our More ❯
Employment Type: Contract
Rate: £800 - £870/day
Posted:

Senior AI Scientist

London, United Kingdom
IQVIA Argentina
distillation of large-scale language models, with hands-on expertise in SFT, PPO, and reward modeling. Deep proficiency in Python and AI/ML frameworks such as PyTorch, LangChain, LangGraph, GraphRAG, and AutoGen. Experience with modern vector and graph databases (e.g., ChromaDB, Neo4j) and LLMOps platforms (e.g., Azure, Databricks, Azure OpenAI). Proven track record of delivering scalable AI solutions More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Oliver Bernard
experience, ideally working in high-growth start-up or scale-up environments Strong skills with Python & Fast API Cloud experience, ideally with AWS Proficiency with LLMs, Pydantic, LangChain/LangGraph or similar orchestration tools Computer Science/STEM background from a top ranked University Base salary of £80k-£110k Exceptional equity and benefits package Hybrid working, with 2-3 days More ❯
Employment Type: Permanent, Work From Home
Posted:

Principal AI Engineer - Entourage

London, United Kingdom
Web3 Foundation
SOTA in multi-agent systems, collective learning, AI safety, secure agent execution, emerging AI agent architectures, and tool integration. Familiarity with one or more multi-agent frameworks (such as LangGraph, LangChain, CrewAI, AutoGen, and Pydantic AI), communication standards (such as MCP, A2A, Story's Agent TCP/IP, Near's AITP), distributed systems, distributed AI architectures, and consensus mechanisms. Ability More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Fullstack Developer

London, England, United Kingdom
Allegis Global Solutions
GitHub). Preferred Qualifications Knowledge of AI/ML approaches and deployment of AI/ML powered applications – especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen). Prior experience conducting user research for AI applications. Knowledge of AI/ML evaluation and benchmarking approaches, including safety and robustness evaluations. Web-based front end development More ❯
Posted:

Fullstack Developer

london, south east england, united kingdom
Allegis Global Solutions
GitHub). Preferred Qualifications Knowledge of AI/ML approaches and deployment of AI/ML powered applications – especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen). Prior experience conducting user research for AI applications. Knowledge of AI/ML evaluation and benchmarking approaches, including safety and robustness evaluations. Web-based front end development More ❯
Posted:

Senior Gen AI Engineer

City of London, London, United Kingdom
HCLTech
drive significant innovation and efficiency within our global financial services operations. Core Responsibilities Architect Autonomous Agents: Design and implement robust, goal-driven AI agents using leading frameworks like LangChain, LangGraph, and the Google Agent Development Kit (ADK). Develop and Evaluate RAG Pipelines: Engineer and optimize end-to-end Retrieval-Augmented Generation (RAG) systems, including data ingestion, chunking strategies, and … Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development Kit (ADK) LLM Expertise: Advanced Prompt Engineering and hands-on experience with model fine-tuning techniques including PEFT and QLoRA. Proven experience with models like Gemini, and More ❯
Posted:

Senior Gen AI Engineer

London Area, United Kingdom
HCLTech
drive significant innovation and efficiency within our global financial services operations. Core Responsibilities Architect Autonomous Agents: Design and implement robust, goal-driven AI agents using leading frameworks like LangChain, LangGraph, and the Google Agent Development Kit (ADK). Develop and Evaluate RAG Pipelines: Engineer and optimize end-to-end Retrieval-Augmented Generation (RAG) systems, including data ingestion, chunking strategies, and … Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development Kit (ADK) LLM Expertise: Advanced Prompt Engineering and hands-on experience with model fine-tuning techniques including PEFT and QLoRA. Proven experience with models like Gemini, and More ❯
Posted:

Full Stack AI Developer - London

London, South East, England, United Kingdom
Lorien
modern software development tools and practices (e.g., Git/GitHub). Experience deploying AI/ML-powered applications, especially those involving NLP, language models, or agent-based frameworks (e.g., LangGraph, PydanticAI, AutoGen). Background in user research specific to AI applications. Knowledge of AI/ML evaluation techniques, including safety and robustness assessments. Experience in web-based frontend development. If More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Founding Engineer

London, United Kingdom
Develop
scaling beyond one million users. Play a foundational role in growing the engineering team over time, including mentoring and hiring. Nice to Have Experience with orchestration frameworks (e.g., LangChain, LangGraph) and multi-agent workflows. Familiarity with vector databases, RAG pipelines, and lightweight model hosting. Ability to set up data pipelines and feedback loops for improving AI-driven features. Awareness of More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

AI Lead

London, United Kingdom
Hybrid / WFH Options
Purview Consultancy Services Ltd
London, UK Hybrid: 3 days a week from office JD: AI Lead to drive the development and deployment of next-generation agentic AI solutions using Azure OpenAI GPT-5, LangGraph frameworks, and intelligent document processing. Lead technical workstreams in building production-ready AI systems for financial automation with hands-on development approach. . click apply for full job details More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Python Developer-Datasmoothie

London, United Kingdom
Marketing Management Analytics, Inc
Datasmoothie is a data analysis solution designed specifically for market researchers.They are part of the Global Data Management Tower within Ipsos and their products offer an all-in-one solutions that helps users create and manage their data pipeline automating More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Gen AI Engineer

London, South East, England, United Kingdom
Akkodis
You will work closely with HR stakeholders, data scientists, and legal compliance teams to build secure and scalable multi-agent AI solutions using modern frameworks such as LangChain, AutoGen, LangGraph, and RAG. Key Responsibilities: Architect and implement AI-powered tools to automate and enhance HR workflows (e.g., onboarding, employee queries, policy navigation). Design and deploy conversational agents using LangChain … and AutoGen for internal use. Build modular and scalable pipelines using LangGraph for multi-agent orchestration. Integrate RAG systems to enable context-aware document retrieval from internal HR/legal databases. Required Skills & Experience: Solid exposure in AI/ML engineering, with a strong focus on NLP and LLMs. Proven hands-on knowledge with: LangChain, AutoGen, LangGraph and RAG Strong More ❯
Employment Type: Full-Time
Salary: £600 - £700 per day
Posted:

Gen AI Engineer

City of London, London, United Kingdom
Akkodis
You will work closely with HR stakeholders, data scientists, and legal compliance teams to build secure and scalable multi-agent AI solutions using modern frameworks such as LangChain, AutoGen, LangGraph, and RAG. Key Responsibilities: Architect and implement AI-powered tools to automate and enhance HR workflows (e.g., onboarding, employee queries, policy navigation). Design and deploy conversational agents using LangChain … and AutoGen for internal use. Build modular and scalable pipelines using LangGraph for multi-agent orchestration. Integrate RAG systems to enable context-aware document retrieval from internal HR/legal databases. Required Skills & Experience: Solid exposure in AI/ML engineering, with a strong focus on NLP and LLMs. Proven hands-on knowledge with: LangChain, AutoGen, LangGraph and RAG Strong More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

AI Architect

South West London, London, United Kingdom
Hybrid / WFH Options
Purview Consultancy Services Ltd
operations. Required Qualifications 15+ years of experience in AI/ML architecture with 8+ years in enterprise AI solutions Deep expertise in LLM architectures, prompt engineering, and agentic frameworks (LangGraph, LangMem) Hands-on experience with Azure OpenAI GPT-4/5, embedding models, and Azure cloud services Strong background in Python, distributed systems, and enterprise architecture Experience with Claude Code … workloads (1M+ documents, sub-second response times) Key Responsibilities Design end-to-end AI solutions for private equity fund operations and financial automation Architect scalable agentic AI frameworks using LangGraph, LangMem, and custom agent orchestration Lead technical strategy for Azure OpenAI GPT-5 integration and advanced embedding-based retrieval systems Design and implement advanced RAG architectures including hybrid search, query … failover and load balancing Establish comprehensive monitoring, observability, and performance optimization strategies Mentor technical teams and establish AI engineering best practices using modern toolchains Oversee model performance evaluation using LangGraph evals and DeepEval frameworks More ❯
Employment Type: Contract
Posted:

AI Lead

South West London, London, United Kingdom
Hybrid / WFH Options
Purview Consultancy Services Ltd
London, UK Hybrid: 3 days a week from office JD: AI Lead to drive the development and deployment of next-generation agentic AI solutions using Azure OpenAI GPT-5, LangGraph frameworks, and intelligent document processing. Lead technical workstreams in building production-ready AI systems for financial automation with hands-on development approach. Required Qualifications 10+ years of experience in AI …/ML engineering with 4+ years in agentic AI and LLM systems Strong proficiency in LangGraph, LangMem, and agentic workflow development Hands-on experience with Azure OpenAI GPT-5, text-embedding-3-large, and Azure AI services Expert-level Python programming and experience with Claude Code for AI development Experience with LlamaIndex (LlamaParse, LlamaExtract) and document intelligence platforms Solid understanding … of AI evaluation frameworks (LangGraph evals, Agent evals, DeepEval) Key Responsibilities Design and develop agentic AI applications using LangGraph and LangMem frameworks Build intelligent document processing pipelines using LlamaParse and Azure Document Intelligence Implement advanced RAG systems with text-embedding-3-large and Azure DB for Postgres Lead hands-on development using Claude Code for rapid agentic workflow creation Establish More ❯
Employment Type: Contract
Posted:

AI Engineer

London, United Kingdom
83zero Ltd
Chroma, FAISS, Milvus) with sensitive document ingestion pipelines - Host and optimise LLMs using vLLM/TGI on local GPU clusters without internet connectivity - Implement agent orchestration using LangChain/LangGraph in completely offline environments - Design secure document processing for classified materials with appropriate data sanitisation - Build monitoring and evaluation systems that operate within air-gapped infrastructure Essential Requirements - Active SC … Python expertise with offline dependency management and local package mirrors Technical Stack (All On-Premises) Models: Llama 3, Mistral, Qwen (locally hosted) Vector Stores: Chroma, FAISS, Milvus Orchestration: LangChain, LangGraph for agents Hosting: vLLM, TGI, Ollama on bare metal/private cloud Infrastructure: Air-gapped Kubernetes, local container registries Desirable Skills - Experience with defence/government IT security protocols - Knowledge More ❯
Employment Type: Contract
Rate: £625 - £650/day
Posted:
LangGraph
London
10th Percentile
£80,625
25th Percentile
£87,188
Median
£101,250
75th Percentile
£117,188
90th Percentile
£124,875