1 to 25 of 31 LangChain Jobs in the South East

Full Stack Engineer

Hiring Organisation
Response Informatics
Location
South East London, London, United Kingdom
Employment Type
Contract
solutions using OpenAI, Azure OpenAI, Anthropic, Gemini, Llama, Mistral, HuggingFace, and emerging AI platforms. Hands-on experience with AI orchestration and agent frameworks including LangChain, LangGraph, Semantic Kernel, LlamaIndex, CrewAI, and AutoGen. Strong knowledge of Prompt Engineering, RAG, Vector Databases (Pinecone, Weaviate, Chroma, FAISS, Azure AI Search), Model Fine-Tuning ...

Senior AI/ML Engineer

Location
Staines-upon-Thames, England, United Kingdom
concepts, including: + RAG architectures + Embeddings and vector search + Evaluation frameworks + LLM orchestration* Hands-on experience with frameworks such as: + LangChain + LangGraph + LlamaIndex + CrewAI + Autogen + Google ADK + Similar modern AI frameworks* Experience developing and deploying AI solutions on cloud platforms ...

Lead AI Engineer

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

Dev Ops Lead Virtual Assistant and Automation

Hiring Organisation
BP Energy
Location
Sunbury-On-Thames, London, United Kingdom
models into real-world systems Experience with LLMs, RAG, vector search, conversational AI, or unstructured data pipelines Familiarity with AI tooling/frameworks (e.g. LangChain, LlamaIndex, Haystack, Hugging Face, CrewAI) Experience leading SaaS/cloud-based HR or enterprise platforms Skilled at using data and analytics to identify outcomes ...

Dev Ops Lead – Virtual Assistant and Automation

Location
Sunbury-on-Thames, England, United Kingdom
models into real-world systems Experience with LLMs, RAG, vector search, conversational AI, or unstructured data pipelines Familiarity with AI tooling/frameworks (e.g. LangChain, LlamaIndex, Haystack, Hugging Face, CrewAI) Experience leading SaaS/cloud-based HR or enterprise platforms Skilled at using data and analytics to identify outcomes ...

Lead Data Scientist - AI

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

Principal Data Scientist - AI, MLOps & GenAI Lead

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

Senior AI Engineer (BioTech/Pharma)

Location
Oxford, England, United Kingdom
Senior Python engineer with strong production software engineering experience. Commercial experience building LLM, agentic AI or multi-agent systems. Hands‐on experience with LangGraph, LangChain, Haystack or similar frameworks. Proven ability to deploy AI/ML systems into production environments. Strong knowledge of inference, latency, performance, data pipelines, memory ...

Artificial Intelligence Engineer

Location
Wokingham, England, United Kingdom
deploying LLM-based applications, Generative AI solutions, and Agentic AI systems. Experience working with multi-agent architectures and AI orchestration frameworks such as LangChain, Semantic Kernel, or AutoGen. Hands-on experience with Model Context Protocol (MCP) implementations. Strong understanding of vector databases and technologies such as Pinecone, Weaviate, FAISS ...

AI Engineer

Hiring Organisation
Halian Technology Limited
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent
deploying LLM-based applications, Generative AI solutions, and Agentic AI systems. Experience working with multi-agent architectures and AI orchestration frameworks such as LangChain, Semantic Kernel, or AutoGen. Hands-on experience with Model Context Protocol (MCP) implementations. Strong understanding of vector databases and technologies such as Pinecone, Weaviate, FAISS ...

Automation & Platform Engineer

Location
Abingdon, England, United Kingdom
related certifications. TM Forum Open API certification. Nice-to-Have Qualifications Experience with Google Vertex AI, Gemini APIs, BigQuery, or similar platforms. Experience with LangChain, LangGraph, MCP, or agentic AI execution frameworks. Experience with ServiceNow, Netcracker, Amdocs, Ericsson, Nokia, Cisco NSO, Juniper Paragon, or similar orchestration platforms. Experience building secure ...

AI Engineer - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day, Negotiable
delivery end-to-end - from initial exploration through to production deployment, integration and ongoing iteration. Working with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalent frameworks to build reliable, scalable systems. Integrating AI into products, APIs and core business workflows - with a sharp eye on latency ...

Python Developer - AI / LLM Platform

Hiring Organisation
Ncounter
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
automated testing with pytest • Experience supporting and improving large, established production codebases, with a strong understanding of secure software development Experience with LangChain, RAG, vector databases, Azure, Entra ID, OAuth/OIDC, Redis, Terraform, Helm, Prometheus, Grafana or OpenTelemetry would be valuable but is not essential. Current SC clearance ...

AI Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £55,000 per annum
production Strong Python skills Experience with cloud platforms Knowledge of RAG, vector databases, and LLM frameworks Git and CI/CD experience Experience with LangChain and LangGraph AWS experience IT/Technology-related university degree (minimum 2.1 ...

AI/ML Security Architect

Location
Reading, England, United Kingdom
genuine AI/LLM security experience. Exposure to technologies such as GCP/Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Anthropic Claude or LangChain/LangGraph would be particularly relevant. This is a cutting-edge opportunity which will shape how AI is securely adopted across a large-scale global ...

Python Developer

Location
Reading, England, United Kingdom
automated testing with pytest Experience supporting and improving large, established production codebases, with a strong understanding of secure software development Experience with LangChain, RAG, vector databases, Azure, Entra ID, OAuth/OIDC, Redis, Terraform, Helm, Prometheus, Grafana or OpenTelemetry would be valuable but is not essential. Current SC clearance ...

Senior Data Scientist - LeapSpace

Location
Slough, England, United Kingdom
Evaluation methodologies for ML/IR/GenAI Advanced programming skills in Python Experience with modern ML/NLP frameworks (e.g., PyTorch, Hugging Face, LangChain, LangGraph, Haystack) Experience working with Databricks or similar distributed data/ML platforms Strong understanding of experimentation design and statistical analysis Preferred qualifications Batchelor ...

AI/ML Researcher

Hiring Organisation
Hackajob Ltd
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
will need to be a proficient programmer in Python, with extensive experience in the use of libraries, tools (docker, git) and frameworks (e.g. LangChain/LangGraph or similar) to support efficient development. Typical Responsibilities: Propose and lead novel research in given topic areas. Lead technical delivery of small project teams. ...

Senior Prompt Engineer - AI - Full-time

Location
Reading, England, United Kingdom
Claude, Llama, Mistral, Nova (or similar). Advanced programming skills in Python and/or Java. Experience with AI orchestration frameworks such as LangChain and LlamaIndex. Hands-on experience with prompt evaluation and monitoring tools, such as LangSmith, Fiddler, InspectAI, and OpenAI Evals. What's Offered Competitive salary ...

Lead Prompt Engineer for Scalable AI Workflows

Location
Reading, England, United Kingdom
role demands 5+ years in software engineering with 2+ years in production prompt engineering, expert Python/Java, and hands-on use of LangChain, LangSmith, and OpenAI Evals. Hybrid UK-based position with equity. #J-18808-Ljbffr ...

AI Developer

Location
Guildford, England, United Kingdom
code AI development experience Exposure to Copilot Studio or similar low-code AI platforms Knowledge of RAG, vector search and orchestration frameworks (e.g. LangChain) Experience establishing standards and guardrails from scratch Potential to take on technical leadership or mentoring responsibilities Candidate Profile This role is best suited to someone ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
maintainable at scale. What You'll Be Doing Design and build multi-agent AI systems from the ground up, using frameworks such as LangGraph, LangChain, Haystack or similar where appropriate. Develop orchestration, state management and tool-calling infrastructure required to make agentic systems reliable in production. Integrate large language models … shipping multi-agent or agentic AI systems into production . Strong Python development skills and excellent software engineering fundamentals. Hands-on experience with LangGraph, LangChain, Haystack or similar AI/LLM frameworks , together with the ability to work below the framework level when necessary. Experience designing and deploying AI/ ...

Senior AI Agent Engineer - Agentic Applications

Location
Wokingham, England, United Kingdom
deploy intelligent systems using Large Language Models (LLMs). The ideal candidate will have a background in AI applications, particularly those utilizing frameworks like LangChain and Crew AI. Responsibilities include developing AI workflows, collaborating with teams, and optimizing AI systems in production environments. This role offers competitive compensation ...

Research Engineer - LLMs & Generative Audio

Location
Slough, England, United Kingdom
rapidly in a greenfield environment Key Details Salary: Up to ~£120k base Working model: Hybrid (3+ days/week in London) Stack: Python, HuggingFace, LangChain, RAG, multimodal AI, TTS/STT, evaluation frameworks Sponsorship: To be confirmed #J-18808-Ljbffr ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
cloud solutions, ideally within GCP * Familiarity with serverless architectures and API development * Experience working with AI tools, LLM applications, or agentic frameworks such as LangChain or CrewAI * Knowledge of front-end technologies such as React * Experience working within a digital agency, marketing technology, or consulting environment * Understanding of digital marketing ...