LangChain Job Vacancies

101 to 125 of 189 LangChain Jobs

Senior full stack AI Engineer (LLM) - Remote - £475 Outside IR35 - 6 months

London, United Kingdom
Hybrid / WFH Options
Exalto Consulting ltd
to extend this is paying £475 a day In order to be considered for this role you will need to have - Python, SQL, Unix, Cloud (AWS preferred) LLM applications: LangChain, Pydantic-AI (similar frameworks), RAG systems, MCP servers Front end: some experience with Typescript, REACT Application servers, web servers, database servers, docker Some context: frontend (TS/React) and a More ❯
Employment Type: Contract, Work From Home
Posted:

Contract LLM engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
vector search and embeddings (e.g. FAISS, Pinecone) Understanding of prompt engineering and few-shot learning Ability to work independently in a hybrid, agile environment Nice to Have Experience with LangChain, LlamaIndex, or similar orchestration tools Exposure to cloud platforms (AWS/GCP) and containerisation (Docker) Familiarity with NLP evaluation metrics and safety frameworks More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

AI Engineer (UK)

London, United Kingdom
Hybrid / WFH Options
Space Executive
that's pushing boundaries in 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 solutions What You'll Get More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior AI Engineer

London, United Kingdom
Burns Sheehan
Your day-to-day tasks will involve solving abstract problems and utilizing modern AI tools and models across the entire data and engineering stack. Tech Stack AI Engineering: Python, LangChain, LlamaIndex, LangGraph AI Models: OpenAI, Anthropic, Gemini, Custom Models Data Tools: DBT, BigQuery Databases: PostgreSQL, OpenSearch, Redis Product Engineering: TypeScript (Full-stack) Infrastructure: Serverless, AWS, Google Cloud, GitHub Actions Requirements More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Data Science Engineer

Worcester, Worcestershire, United Kingdom
Hewett Recruitment
or senior-level experience Advanced skills in Python and strong fluency in SQL Experience working in cloud-based environments (preferably Azure) Hands-on experience with tools such as Postgres, Langchain, Ollama, Polars, GitLab CI/CD, and Unix-based systems Proven track record of deploying ML models into production and managing lifecycle Comfortable designing data services/APIs and supporting More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Research Scientist

United Kingdom
Hybrid / WFH Options
Intellect Group
continuous learning. What We’re Looking For: 2–4 years of experience in machine learning, applied AI, or LLM research Strong Python skills and experience with libraries like PyTorch, LangChain, or LlamaIndex Experience designing and building ML pipelines for structured and unstructured data Familiarity with SQL/NoSQL and data wrangling Curiosity about large language models and enthusiasm for solving More ❯
Posted:

Senior C# Developer - AI & Code Generation Focus

Hessle, North Humberside, United Kingdom
Hybrid / WFH Options
Giacom Group
Copilot-enhanced Visual Studio environment and embracing AI-assisted development. Comfortable working independently on AI-related features in a remote-first, async-friendly environment. Nice to Have: Experience with LangChain, Semantic Kernel , or similar orchestration frameworks. Familiarity with embedding models , vector stores, or retrieval-augmented generation (RAG). Contributions to open-source AI/dev tools or participation in AI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Member of Technical Staff - Reasoning Workflows

London, United Kingdom
Hybrid / WFH Options
Latent Labs
Python, API design, and distributed systems architecture. You are an expert in LLM orchestration. You have hands-on experience with LLM APIs (OpenAI, Anthropic, etc.) and orchestration frameworks like LangChain, LlamaIndex, or have built custom agent frameworks from scratch. You understand intelligent information retrieval. You have experience with RAG (Retrieval-Augmented Generation) systems, vector databases, and embedding models for knowledge More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal AI Engineer

Bexhill-On-Sea, East Sussex, South East, United Kingdom
Hybrid / WFH Options
Hastings Direct
or applied machine learning roles. Proven track record of delivering production-grade AI solutions in complex, data-rich environments. Proficiency in Python and key ML libraries (e.g. Semantic Kernel, Langchain and Agentic frameworks). Experience deploying models into production using APIs, containers, or cloud-native services. Familiarity with Azure and infrastructure-as-code tools. Strong knowledge of data engineering principles More ❯
Employment Type: Permanent, Work From Home
Posted:

AI LLM Architecture Manager

London, United Kingdom
WeAreTechWomen
and research We are looking for experience in the following skills and experience: AI/ML platform technologies and services such as Sagemaker/Vertex/Azure ML, OpenAI, Langchain, AutoML, OCR, STT, feature stores, vector DB, AI/ML architectural patterns and best practices e.g. data drift detection, experimentation tracking, RAG, deployment models Cloud infrastructure (networking, security, storage, monitoring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI LLM Technology Architecture Manager

Edinburgh, United Kingdom
WeAreTechWomen
research Qualification We are looking for experience in the following skills and experience: AI/ML platform technologies and services such as Sagemaker/Vertex/Azure ML, OpenAI, Langchain, AutoML, OCR, STT, feature stores, vector DB, AI/ML architectural patterns and best practices e.g. data drift detection, experimentation tracking, RAG, deployment models Cloud infrastructure (networking, security, storage, monitoring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Scientist - Data Intelligence - Data Enrichment Team

United Kingdom
Hybrid / WFH Options
black.ai
setting. Comfortable with SQL, preferably with an enterprise database system like Redshift, Postgres. Ideally experience with data processing tools like DBT and Dask. Experience in Python data science space - LangChain, LangSmith, pandas, numpy, sci kit learn, scipy, hugging face etc. Understanding of statistical and machine learning models. Knowledge of experimental design, statistical testing and model validation. Experience in data visualization More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Engineer- Voice and Video Agent

London, United Kingdom
Opus Recruitment Solutions
with real-time systems, streaming protocols, and GPU acceleration. A creative mindset and passion for building human-centric AI. Desirables- Experience with LLMs and conversational AI frameworks (e.g., Rasa, LangChain). Knowledge of emotion detection, prosody modeling, or affective computing. Familiarity with Unity, Unreal Engine, or WebGL for avatar rendering. More ❯
Employment Type: Contract
Rate: £500 - £600/day
Posted:

AI Engineer- Voice and Video Agent

London, South East, England, United Kingdom
Opus Recruitment Solutions Ltd
with real-time systems, streaming protocols, and GPU acceleration. A creative mindset and passion for building human-centric AI. Desirables- Experience with LLMs and conversational AI frameworks (e.g., Rasa, LangChain). Knowledge of emotion detection, prosody modeling, or affective computing. Familiarity with Unity, Unreal Engine, or WebGL for avatar rendering. More ❯
Employment Type: Contractor
Rate: £500 - £600 per day
Posted:

Junior AI Engineer

London, South East, England, United Kingdom
Searchability
pipelines Collaborating on system design, prompt tuning, and architecture decisions Optimising AI performance for speed, stability, and user experience WHAT WE NEED FROM YOU Proven experience with LangGraph or LangChain Strong Python skills and experience working with LLMs Familiarity with RAG pipelines Experience building chatbots or agent-based systems Knowledge of real-time API integration Understanding of prompt engineering, token More ❯
Employment Type: Contractor
Rate: £250 - £300 per day
Posted:

AI/ML Engineer

London, South East, England, United Kingdom
Searchability
pipelines Collaborating on system design, prompt tuning, and architecture decisions Optimising AI performance for speed, stability, and user experience WHAT WE NEED FROM YOU Proven experience with LangGraph or LangChain Strong Python skills and experience working with LLMs Familiarity with RAG pipelines Experience building chatbots or agent-based systems Knowledge of real-time API integration Understanding of prompt engineering, token More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

Founding Software Engineer - AI with Security Clearance

Austin, Texas, United States
Hybrid / WFH Options
OMW Consulting
CD, Docker, Git, etc.) What You'll Need: 3+ years of professional software development experience Strong proficiency in React, Python, and AI/ML integration Experience with LLM frameworks (LangChain, LlamaIndex, etc.), RAG, and vector databases Eligible for Secret or TS/SCI clearance (US Citizenship required) Bonus if you have: Familiarity with DoD cybersecurity standards (NIST, RMF, CMMC) GIS More ❯
Employment Type: Permanent
Salary: USD 180,000 Annual
Posted:

Typescript Engineer

England, United Kingdom
Consulting Point
web development best practices, and secure coding principles Bonus Skills: Experience building microservices in languages such as C# or Java Integration experience with large language models using tools like LangChain or Vercel AI Familiarity with the GOV.UK Design System and templating using Nunjucks If you're excited about solving complex real-world challenges with technology and working in an environment More ❯
Posted:

GenAi Manager

South West London, London, United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
What Were Looking For: Managerial experience - Leading/Managing a small team of GenAi Developers Python (FastAPI), Typescript (Express) or similar Frontend Development: React, Next.js, or Vite GenAI tools: LangChain, LangGraph, CrewAI, or Vercel AI (Python or JavaScript) LLM platforms: OpenAI, Anthropic, Mistral, or Llama Cloud: AWS or Azure Containerisation Bonus Points: Experience in building Proof of Concepts (POCs) Client More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

GenAI Full Stack Engineer

United Kingdom
Graduate Recruitment Bureau
need to hold SC clearance or be eligible for SC clearance Practical experience with LLMs, such as OpenAI Proficiency working with cloud platforms Familiarity with GenAI frameworks such as LangChain or Vercel AI Company: Graduate Recruitment Bureau (Hiring for client) Location: UK flexible, UK Salary Notes: £45-55K Courses Considered: Data Science,IT,Maths and Stats,Physics, Jobs related More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (LLM Applications)

London, United Kingdom
Hybrid / WFH Options
Ecm Selection
a keen experimenter with LLMs, utilising the skills and knowledge you have in software engineering for LLM based personal projects. Key topics of interest would be agentic systems, RAG, Langchain or automated workflows. You'll have experience using modern Python for scalable and extendible code development (and probably experience with other modern mainstream coding technologies such as Go or Rust More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Sr. AI Engineer (Contract, Part-time)

United Kingdom
Lapisconsults
ML and LLM-based applications, as well as developing and maintaining new ones. Qualifications Strong background in Computer Science and Software Development Experience with complex RAG pipelines (without using Langchain or LlamaIndex) Tech stack includes: Foundation and open-source LLMs, vector databases (Pinecone, Qdrant, Weaviate), embeddings, Next.js, Vercel, MongoDB, Cohere reranking, multimodal parsing (e.g., Unstructured.io) This is a project-based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Founding AI Engineer

London, United Kingdom
SAMARA
and efficiency, leveraging best practices in AI engineering. Integrate using Microsoft Graph API or prebuilt plugins Requirements Strong experience with LLMs (OpenAI, Mistral, Claude, etc.) Built with tools like LangChain, OpenRouter, or function-calling agents Solid with Next.js, Node.js, or Python (we're flexible) Some experience (or curiosity) around regulated workflows and operational complexity Bonus: Microsoft Graph API or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

London, United Kingdom
May & Stephens
problem-solving abilities. Effective time management and prioritisation skills under tight deadlines. Bonus Skills & Expertise Experience deploying and managing applications using Azure and Docker. Familiarity with frameworks such as LangChain and expertise in Retrieval-Augmented Generation (RAG) models for AI-driven applications. Proficiency with pandas for data manipulation. Full Stack Developer - What's in it for you? Salary Reviews: Twice More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum
Posted:

AI - Enabled Software Engineer

United Kingdom
Hybrid / WFH Options
Mark43, Inc
stack: Java, TypeScript + React, and MySQL Extensive applied experience with AI-assisted development tooling-whether it's Cursor, Windsurf, LLM APIs, codegen platforms, vector databases, agentic frameworks like LangChain, or custom-built systems A strong product mindset and interest in building for real-world impact A bias toward experimentation, iteration, and continuous learning Comfort operating in ambiguity and helping More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
LangChain
10th Percentile
£46,250
25th Percentile
£48,125
Median
£52,500
75th Percentile
£105,625
90th Percentile
£128,500