23 of 23 Remote/Hybrid LangChain Jobs in the South East

AI / GenAI Engineer - Investment Banking / Capital Markets

Hiring Organisation
Caspian One
Location
Slough, Berkshire, UK
Employment Type
Full-time
Technical Skills Programming Languages: Python, Java, C++, C#, TypeScript, JavaScript Machine Learning: TensorFlow, PyTorch, Scikit-learn GenAI/LLMs: OpenAI API, Hugging Face Transformers, LangChain, Langraph, RAG pipelines Data & Analytics: Pandas, NumPy, Spark, Databricks, Hadoop, Vector Databases, Snowflake Model Deployment: MLflow, FastAPI, Flask, Docker, Kubernetes Cloud & Infrastructure: AWS, Azure ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Reading, Berkshire, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Maidstone, Kent, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Guildford, Surrey, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Crawley, West Sussex, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Brighton, East Sussex, UK
Employment Type
Full-time
/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 ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
/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 ...

Artificial Intelligence Engineer

Hiring Organisation
Aspire Life Sciences Search
Location
Slough, Berkshire, UK
Employment Type
Full-time
software engineering, including substantial AI experience. Strong Python skills and experience with LLM APIs (OpenAI, Anthropic, or similar). Expertise in GenAI frameworks (LangChain, LlamaIndex, Haystack, Hugging Face Transformers). Hands-on experience with RAG pipelines, vector databases (Pinecone, FAISS, Weaviate), and chatbot deployment. Proven experience with agentic AI (tool ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Woking, Surrey, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Dartford, Kent, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Crawley, West Sussex, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Brighton, East Sussex, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

Artificial Intelligence Engineer

Hiring Organisation
Space Executive
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Lead GenAI Engineer | GenAI | FinTech | Hybrid London | Up to £140k

Hiring Organisation
Maze
Location
Slough, Berkshire, UK
Employment Type
Full-time
engineers). Strong hands-on experience shipping real GenAI/LLM systems into production. Deep expertise in: LLMs & transformer-based models Agentic frameworks (e.g., LangChain, LangGraph) Retrieval-Augmented Generation (RAG) Python Building or integrating LLMs into products or workflows Working with GenAI frameworks and tooling Designing or optimising prompt pipelines ...

Machine Learning Engineer (0–3 Years Experience).

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum, OTE
from senior ML engineers, AI researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities … Engineer, AI Engineer, Artificial Intelligence, Deep Learning, NLP, Natural Language Processing, Large Language Models, Generative AI, GenAI, Neural Networks, PyTorch, TensorFlow, Hugging Face, OpenAI, LangChain, RAG, Retrieval-Augmented Generation, Python, Data Science, AI Research, MLOps, Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure ...

Agentic AI Engineer - LangChain

Hiring Organisation
Sanderson Government and Defence
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £700 per day
Full Stack AI Engineer (Agentic AI & LangChain) - Contract Duration: 3 Months Rate: Up to £700 per day (Inside IR35) Location: Hybrid - Oxford We are seeking an experienced Full Stack AI Engineer to join a growing tech company on an initial 3-month contract. This role is ideal for someone with … strong, hands-on experience building agentic AI systems , particularly using LangChain , and who enjoys working in fast-paced, product-led environments. The Role You will play a key role in designing, building, and deploying AI-powered products, working closely with cross-functional teams to deliver intelligent, scalable solutions. Key responsibilities ...

AI Engineers

Hiring Organisation
Stackstudio Digital Ltd
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
analytics and automation. Your Responsibilities Design, develop, and optimize RAG-based solutions integrating retrieval systems with large language models. Build and maintain applications using LangChain to orchestrate complex AI workflows. Implement and manage vector databases (e.g., FAISS, Pinecone, Weaviate, Milvus) for fast similarity search and retrieval. Develop embedding pipelines … Knowledge of popular vector DBs: Pinecone, Weaviate, FAISS, Vespa, Milvus. Generating and managing embeddings (using models like SentenceTransformers, OpenAI, Hugging Face). Familiarity with LangChain for building LLM-powered applications. Ability to create chains, prompts, and agents. Desirable Skills/Knowledge/Experience Experience with data ingestion, indexing, and querying. ...

FULL STACK Engineer Meaningful Equity

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
unified development experience. AWS and Terraform for scalable, version-controlled infrastructure. TurboRepo for rapid code sharing and efficient testing. AI-driven architecture using LangChain and custom orchestration for real-world solutions. What's on Offer Permanent role with a competitive salary and meaningful equity . Brand-new MacBook and full ...

Contract AI Software Engineer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
frameworks and cloud-native technologies. Key Responsibilities Design and develop AI-driven applications using LLMs and agent-based architectures Build and integrate workflows using LangChain and/or LangGraph Develop robust backend services using Python Contribute to frontend or full-stack development using JavaScript/TypeScript where required Deploy, scale … cleared environments Required Skills & Experience Strong commercial experience as a Software Engineer working with AI/LLM-based systems Hands-on experience with LangChain and/or LangGraph Excellent Python development skills Solid experience with JavaScript and TypeScript Proven experience deploying applications on AWS Strong understanding of software architecture, APIs ...