LangChain Jobs in England

101 to 125 of 126 LangChain Jobs in England

Agentic AI Developer

london (city of london), south east england, united kingdom
WORK-SELF
For 1-3+ years of experience in full stack development (React + Node or equivalent stack) Experience integrating and fine-tuning LLMs, embeddings, or vector search (e.g. OpenAI, LangChain, Pinecone, Lovable and Google’s Agent Development Kit or equivalent vide coding platforms) Strong frontend sensibility (you care how things feel and look, not just how they run) Comfort building More ❯
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Founding Engineer (TypeScript / AI)

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Startup (London/Hybrid) Salary : £100k–140k Equity : 1–3% (founding-level) Hybrid working: Central London, 3 days p/week in office. Tech Stack: TypeScript, Node.js, React, Python, LangChain, OpenAI/Anthropic I’m working with a YC-backed startup that’s building the next generation of AI-native analytics . This is a seed-stage, well-funded company More ❯
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Founding Engineer (TypeScript / AI)

City of London, London, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Startup (London/Hybrid) Salary : £100k–140k Equity : 1–3% (founding-level) Hybrid working: Central London, 3 days p/week in office. Tech Stack: TypeScript, Node.js, React, Python, LangChain, OpenAI/Anthropic I’m working with a YC-backed startup that’s building the next generation of AI-native analytics . This is a seed-stage, well-funded company More ❯
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Data Science Engineer

London, South East, England, United Kingdom
Precise Placements
Data Science Engineer - MLOPS, Machine Learning, AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL We are actively working with a global law firm who are actively looking to bolster their IT team as they undergo a global-scale cloud transformation. At present they are looking to take on a new Data Science Engineer (MLOPS, Machine Learning … AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL) to join their team on a permanent basis. this role we be responsible for the design, development and delivery of advanced analytics and AI solutions. This is a fantastic time to join a top-tier global law firm who have a long-stream of projects in the pipeline … alongside a diverse and collaborative team environment. To be considered for this Data Science Engineer (MLOPS, Machine Learning, AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL) role, it's ideal you have: Ideal but not required law firm experience 2-4 years experience within AI/ML positions Knowledge of cloud platforms (Ideally Azure) AI/ More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:

AI Developer

Ipswich, Suffolk, England, United Kingdom
Hybrid / WFH Options
Rutherford Briant
in a commercial setting Good working knowledge of Python for backend or automation work Experience building APIs and working with third-party data Interest in AI tools and automation (LangChain/CrewAI a bonus) Benefits: As an AI Developer, you will get... Hybrid working – 3 days in Suffolk, rest remote A collaborative, technical team solving real problems Freedom to explore More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Founding Engineer Meaningful Equity

London, South East, England, United Kingdom
Hybrid / WFH Options
Robert Half
to-end with Next.js for a 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 setup provided. Private medical More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Manager - Supply Chain Analytics

England, United Kingdom
Kubrick
grasp of systems thinking and distributed architectures integrating AI and enterprise platforms.•Proficiency in Python and (desirable) Infrastructure as Code for cloud deployment.•(Desirable) Familiarity with orchestration frameworks (e.g. LangChain, AutoGen, CrewAI).•(Desirable) Experience with MS Copilot Agents or similar AI-driven business solutions.Communication and Stakeholder Engagement•Demonstrated experience leading technical teams in simulation or AI-oriented projects, ideally More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Automation & Solutions Engineer

Sevenoaks, Kent, South East, United Kingdom
Hybrid / WFH Options
Searchability (UK) Ltd
Opportunity for a AI Engineer Developer to work for an established FinTech company Salary up to £75k depending on experience Hybrid working out of Sevenoaks HQ Tech stack - LLMs, Langchain, OpenAI, n8n, Flowable If you wish to keep your CV/data private feel free to WhatsApp your details/CV to me, Dan - 07704 152638 WHO WE ARE: We … WHAT YOU WILL BE DOING Build intelligent workflows using n8n, Microsoft Power Automate, Flowable, and similar tools. Design and implement agentic AI solutions, integrating LLMs and frameworks such as LangChain, AutoGen, and RAG pipelines with platforms like OpenAI. Collaborate with teams across the business to identify automation opportunities and enhance efficiency. Contribute to the company's AI and workflow automation … environment. AI Engineer - Essential Skills Hands-on experience with workflow automation tools such as n8n, Microsoft Power Automate, or Flowable. Strong understanding of LLM integration and agentic AI frameworks (LangChain, AutoGen, RAG). Proficiency in Python or JavaScript for scripting and workflow logic. Familiarity with APIs, event-driven architectures, and cloud platforms (Azure, AWS, or GCP). TO BE CONSIDERED More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

AI Engineer

City of London, London, United Kingdom
Huxley Associates
For Proven experience in building AI/ML systems, ideally with Azure OpenAI, Azure Cognitive Services Azure Machine Learning. Strong Python skills and familiarity with modern AI frameworks (e.g., LangChain, Hugging Face, PyTorch). Deep understanding of LLMs, vector databases, prompt engineering, and multi-agent systems. Passion for building from scratch - you thrive in greenfield environments. Based in or near … and creative freedom. Hybrid flexibility with a vibrant London office. Competitive salary, equity options, and a culture of innovation. Strong Python skills and familiarity with modern AI frameworks (e.g., LangChain, Hugging Face, PyTorch). Deep understanding of LLMs, vector databases, prompt engineering, and multi-agent systems. Passion for building from scratch - you thrive in greenfield environments. Based in London, with More ❯
Employment Type: Permanent
Salary: £85000 - £95000/annum + Bonus & Benefits Package
Posted:

AI Software Engineer

North London, London, United Kingdom
Hybrid / WFH Options
JobHeron
Lead and clients to shape, design and explain potential solutions. Develop and maintain high-quality AI applications, including: Cloud functions and REST APIs, Integration with AI Python libraries (e.g. LangChain, LangGraph), Database interfacing (SQL, document, vector), User interface development and testing, Debugging, validation and documentation Build new features and improvements for Chat2Impact, their fullstack AI product. Work collaboratively with colleagues … and clients to ensure smooth, effective project delivery. What Were Looking For: Strong programming skills in Python and TypeScript, Familiarity with Agentic Frameworks (e.g. LangChain, LangGraph) Proven experience building full stack applications using Git, SQL databases and modern deployment practices Understanding of LLMs, embedding models and RAG systems Solid software engineering fundamentals and secure coding practices Strong problem-solving, communication More ❯
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

AI Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Jobheron
Lead and clients to shape, design and explain potential solutions. Develop and maintain high-quality AI applications, including: Cloud functions and REST APIs, Integration with AI Python libraries (e.g. LangChain, LangGraph), Database interfacing (SQL, document, vector), User interface development and testing, Debugging, validation and documentation Build new features and improvements for Chat2Impact, their fullstack AI product. Work collaboratively with colleagues … and clients to ensure smooth, effective project delivery. What We’re Looking For: Strong programming skills in Python and TypeScript, Familiarity with Agentic Frameworks (e.g. LangChain, LangGraph) Proven experience building full stack applications using Git, SQL databases and modern deployment practices Understanding of LLMs, embedding models and RAG systems Solid software engineering fundamentals and secure coding practices Strong problem-solving More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum, Pro-rata
Posted:

Senior AI Solutions Engineer

London, UK
Carbon3 - The UK's AI Solution Platform
key products Collaborate with GTM and sales teams during pre-sales cycles, workshops, and proof-of-concepts. AI and ML Engineering Implement, optimise, and deploy models using PyTorch , HuggingFace , LangChain , and NVIDIA Triton . Execute fine-tuning and evaluation of foundation models for domain-specific use cases. Package and deploy models into scalable inference endpoints (REST/gRPC APIs, containerised … resulting in measurable influenced ARR aligned with GTM metrics. Required Qualifications 5+ years in AI/ML engineering, applied AI, or solutions engineering roles. Proven experience with: RAG pipelines (LangChain, LlamaIndex, Weaviate, Pinecone, Milvus, etc.) Fine-tuning LLMs (LoRA, PEFT, instruction-tuning, domain adaptation) Deploying inference endpoints at scale (Triton, HuggingFace Inference, Ray Serve, Kubernetes) Strong coding skills in Python More ❯
Posted:

Senior AI Solutions Engineer

london, south east england, united kingdom
Carbon3 - The UK's AI Solution Platform
key products Collaborate with GTM and sales teams during pre-sales cycles, workshops, and proof-of-concepts. AI and ML Engineering Implement, optimise, and deploy models using PyTorch , HuggingFace , LangChain , and NVIDIA Triton . Execute fine-tuning and evaluation of foundation models for domain-specific use cases. Package and deploy models into scalable inference endpoints (REST/gRPC APIs, containerised … resulting in measurable influenced ARR aligned with GTM metrics. Required Qualifications 5+ years in AI/ML engineering, applied AI, or solutions engineering roles. Proven experience with: RAG pipelines (LangChain, LlamaIndex, Weaviate, Pinecone, Milvus, etc.) Fine-tuning LLMs (LoRA, PEFT, instruction-tuning, domain adaptation) Deploying inference endpoints at scale (Triton, HuggingFace Inference, Ray Serve, Kubernetes) Strong coding skills in Python More ❯
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AI Practitioner

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
a MSc or equivalent experience) Hands-on experience building and deploying Agentic AI or multi-agent systems Proficiency in Python and popular AI/ML frameworks (e.g., PyTorch, TensorFlow, LangChain, Hugging Face) Familiarity with LLM fine-tuning, reasoning, and retrieval-augmented generation (RAG) techniques Experience integrating AI models into production systems or orchestration platforms Strong analytical and problem-solving skills … for at least the next 5 years. Profile 29 recruitment keywords: Artificial intelligence large language models AI machine learning Agentic AI multi-agent Python AI/ML PyTorch TensorFlow LangChain Hugging Face LLM retrieval augmented generation RAG AI models orchestration platforms Public sector SC Security Clearance agent architectures ReAct AutoGen CrewAI BabyAGI reasoning loops memory systems governance frameworks public-sector More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

AI Practitioner

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
a MSc or equivalent experience) Hands-on experience building and deploying Agentic AI or multi-agent systems Proficiency in Python and popular AI/ML frameworks (e.g., PyTorch, TensorFlow, LangChain, Hugging Face) Familiarity with LLM fine-tuning, reasoning, and retrieval-augmented generation (RAG) techniques Experience integrating AI models into production systems or orchestration platforms Strong analytical and problem-solving skills … for at least the next 5 years. Profile 29 recruitment keywords: Artificial intelligence large language models AI machine learning Agentic AI multi-agent Python AI/ML PyTorch TensorFlow LangChain Hugging Face LLM retrieval augmented generation RAG AI models orchestration platforms Public sector SC Security Clearance agent architectures ReAct AutoGen CrewAI BabyAGI reasoning loops memory systems governance frameworks public-sector More ❯
Employment Type: Full-Time
Salary: £65,000 - £75,000 per annum
Posted:

Agentic AI Consultant

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
a MSc or equivalent experience) Hands-on experience building and deploying Agentic AI or multi-agent systems Proficiency in Python and popular AI/ML frameworks (e.g., PyTorch, TensorFlow, LangChain, Hugging Face) Familiarity with LLM fine-tuning, reasoning, and retrieval-augmented generation (RAG) techniques Experience integrating AI models into production systems or orchestration platforms Strong analytical and problem-solving skills … for at least the next 5 years. Profile 29 recruitment keywords: Artificial intelligence large language models AI machine learning Agentic AI multi-agent Python AI/ML PyTorch TensorFlow LangChain Hugging Face LLM retrieval augmented generation RAG AI models orchestration platforms Public sector SC Security Clearance agent architectures ReAct AutoGen CrewAI BabyAGI reasoning loops memory systems governance frameworks public-sector More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Agentic AI Consultant

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
a MSc or equivalent experience) Hands-on experience building and deploying Agentic AI or multi-agent systems Proficiency in Python and popular AI/ML frameworks (e.g., PyTorch, TensorFlow, LangChain, Hugging Face) Familiarity with LLM fine-tuning, reasoning, and retrieval-augmented generation (RAG) techniques Experience integrating AI models into production systems or orchestration platforms Strong analytical and problem-solving skills … for at least the next 5 years. Profile 29 recruitment keywords: Artificial intelligence large language models AI machine learning Agentic AI multi-agent Python AI/ML PyTorch TensorFlow LangChain Hugging Face LLM retrieval augmented generation RAG AI models orchestration platforms Public sector SC Security Clearance agent architectures ReAct AutoGen CrewAI BabyAGI reasoning loops memory systems governance frameworks public-sector More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

AI Technical Consultant

Weybridge, Surrey, South East, United Kingdom
Polar Recruitment Services Ltd
AI Technical Consultant Location: Weybridge, Surrey Remuneration: £60,000 - £70,000 depending on experience Join a pioneering team dedicated to innovative artificial intelligence solutions! We are looking for an AI Technical Consultant to enhance and drive smart, strategic integrations of More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Research Assistant

North London, London, United Kingdom
Hybrid / WFH Options
Lancesoft Ltd
Title: AI Engineering Research Assistant Location: London, UK Hybrid (3 days onsite) Duration: Until Dec 2025 (ASAP start) Description: We are seeking an experienced Research Assistant to support ongoing work in the artificial intelligence and machine learning domain . The More ❯
Employment Type: Contract
Rate: £42.79 per hour
Posted:

GenAI Engineer

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Bentley Whitaker Search and Selection
Python/GenAI Engineer - LangChain, LangGraph, LLM, Langsmith, Langfuse My client (well known consultancy) brings together strategy, design, data science, and engineering to deliver transformative solutions. If you're passionate about GenAI, development, and shaping the digital future, this role is for you. This fantastic company offers excellent training to all their consultants, both online and classroom training. Candidates can … on engineer with experience and a passion for GenAI. Must Have: Strong Engineering skills in Python - 2yrs commercial minimum Any front-End experience is advantageous Experience with GenAI tools (LangChain, LangGraph, etc.) and LLMs (OpenAI, Anthropic, Llama, etc.) Familiarity with monitoring (Langsmith, Langfuse), Git, and vector/NoSQL/SQL databases Eligible for SC Clearance - lived in the UK for More ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum, Negotiable
Posted:

Artificial Intelligence Engineer

England, UK
Hybrid / WFH Options
SH Proptech Limited
ve assembled a world-class team of AI engineers, data scientists, and system architects — now expanding as we scale our suite of agentic AI and architectural tools built on LangChain, FastAPI , and multi-agent reasoning frameworks . Our mission is to redefine how intelligent systems operate — creating scalable, autonomous toolchains that can reason, plan, and execute across complex real-world … toolchains. 🔹 Integrating multimodal reasoning systems with live data pipelines. 🔹 Designing scalable microservice and backend architectures (FastAPI, Docker, etc.). 🔹 Working with state-of-the-art LLMs and reasoning stacks (LangChain, OpenAI, Anthropic, Ollama). 🔹 Contributing to systems moving toward IPO-scale commercialisation. What We Offer 💠 Equity & warrant participation for early technical contributors (linked to our IPO roadmap). ⚙️ Exposure to More ❯
Posted:

Founding Engineer (Backend)

London Area, United Kingdom
Affinity Labs
in small teams (links to repos, case studies, or live services). Desired Node.js alongside Python for services or integrations. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/… Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/ More ❯
Posted:

Founding Engineer (Backend)

City of London, London, United Kingdom
Affinity Labs
in small teams (links to repos, case studies, or live services). Desired Node.js alongside Python for services or integrations. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/… Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/ More ❯
Posted:

Founding Engineer (Backend)

london, south east england, united kingdom
Affinity Labs
in small teams (links to repos, case studies, or live services). Desired Node.js alongside Python for services or integrations. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/… Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/ More ❯
Posted:

Founding Engineer (Backend)

slough, south east england, united kingdom
Affinity Labs
in small teams (links to repos, case studies, or live services). Desired Node.js alongside Python for services or integrations. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration; MCP servers for integrations. Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/… Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/ More ❯
Posted:
LangChain
England
10th Percentile
£51,250
25th Percentile
£67,125
Median
£75,000
75th Percentile
£96,250
90th Percentile
£122,500