26 to 50 of 67 LangChain Jobs in London

Senior Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
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 ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £88,000 per annum
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 ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 70,000 Annual
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 ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
London, Fleet Street, United Kingdom
Employment Type
Permanent
Salary
£45000 - £70000/annum Bonus, Pension, PH, LA
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 ...

Junior Engineer

Hiring Organisation
Steadrock Capital Limited
Location
London, England, United Kingdom
experience in ML, transformers, NLP, or distributed systemsBonus (not required) Interest in real estate Interest in finance or quantitative modelling Experience building agents (LangChain, LlamaIndex, custom architectures) What We Offer Work directly with an NVIDIA DGX system Build AI systems from the ground up Very high autonomy Exposure to private ...

Senior Data Scientist

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
empirical research environment and partnering with Product teams to deliver and scale validated AI products. Agentic Frameworks: Solid understanding of agentic frameworks (e.g.,LangChain,LangGraph,CrewAI) and practical application for task automation or conversational experiences. Behavioural Modelling & AI Expertise: Experiencemodellingand predicting user engagement, building AI-based search engines, recommender systems ...

Senior AI Engineer (Full Stack Python, AI, LLMs, LangChain)

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
discuss the details. Keywords: Software Engineer, Senior Software Engineer, AI Engineer, AI Developer, Python Developer, Full Stack Engineer, Backend Engineer, Generative AI, LLM, LangChain, RAG, Microservices, CI/CD, GitHub Actions, AWS, GCP, Azure, Vector Databases, Data Pipelines, Applied AI, MLOps ...

Senior AI Engineer - Fitness & Health

Hiring Organisation
Harnham
Location
London Area, 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 ...

Senior AI Engineer (Full Stack Python, AI, LLMs, LangChain)

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Software Engineer (AI Focus) - £80,000-£140,000 + Benefits + Shares + Bonus London, Edinburgh, or Manchester Hybrid (Up to 3 Days Onsite per Week, usually less) Join one of the UK's ...

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 ...

Lead Software Engineer

Hiring Organisation
Hyre AI Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £100000/annum
under ambiguity Node.js, React, and TypeScript Python for AI workflows and automation Microservices and distributed system design Experience with AI/LLM frameworks (e.g. LangChain, OpenAI API, Vertex, LiteLLM) GCP experience and DevOps best practices (monitoring, observability, CI/CD) PostgreSQL and relational data modelling Event-driven systems (Pub/ ...

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 ...

GenAI & Agentic Commerce Engineer

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Hands-on experience with AI Workbenches on major cloud platforms, such as Gemini Enterprise, Azure AI Agent Familiarity with GenAI frameworks and libraries like LangChain, LlamaIndex, or Hugging Face. A solid understanding of generative AI concepts, models, and frameworks. Knowledge of the wider commerce technology stack, including ...

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 ...

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. ...

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 ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, United Kingdom
data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, etc.) Practical experience with databases (SQL/NoSQL) Strong foundation in software design principles and systems thinking Comfortable working in a fast-paced ...

Senior .Net Engineer

Hiring Organisation
Stealth iT Consulting
Location
London Area, United Kingdom
TypeScript, or Java) Experience integrating with NoSQL solutions like MongoDB or Cosmos DB Interest in working with large language models (LLMs) using tools like LangChain Experience with templating systems or design frameworks such as Razor or the GOV.UK Design System ...

LLM Engineer | Pharma R&D | Central London | £70-80k

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
built proofs of concept. Technical requirements: • 1-2 years building LLM solutions deployed to production • Strong Python coding skills • Experience with LLM orchestration frameworks (LangChain, LangGraph, Crew AI, or similar) • Knowledge of cloud infrastructure • Understanding of how to build reliable systems that handle non-deterministic outputs • Experience working in agile ...

Full Stack Engineer

Hiring Organisation
83zero
Location
London Area, United Kingdom
e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You’ll Love You’ll join a community that values technical excellence, continuous learning and collaboration. Expect ...

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. ...

Founding AI Engineer London - £180K plus equity

Hiring Organisation
Halian Technology Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
decisions that shape the companys trajectory Tech youll work with Python, LLMs, vector databases, knowledge graphs React/TypeScript, Supabase, AWS Agent frameworks (e.g., LangChain, LangGraph) What they are looking for Ownership mindset: You think like a founder and execute without waiting for instructions High energy: Positive attitude and genuine ...

Full-Stack Developer – Python

Hiring Organisation
Clear IT Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
projects. • Excellent analytical, problem-solving, and time management skills. Bonus skills • Experience deploying and managing applications with Azure and Docker. • Familiarity with frameworks like LangChain and Retrieval-Augmented Generation (RAG) models for AI-driven applications. • Experience with pandas for data manipulation. What’s on offer • Regular salary reviews recognising performance ...

Founding Engineer | AI Startup

Hiring Organisation
Ripple Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £150,000 per annum
complex systems together, handling the authentication, rate-limiting, and data-mapping required to connect AI to legacy CRMs and ERPs. Experience with frameworks like LangChain , LangGraph , or building custom state-machines to manage long-running, multi-step AI tasks. A Full-Stack mindset. You care as much about the reliability ...