10 of 10 Permanent LangChain Jobs in the City of London

that drive significant innovation and efficiency within our global financial services operations. Core Responsibilities Architect Autonomous Agents: Design and implement robust, goal-driven AI agents using leading frameworks like LangChain, LangGraph, and the Google Agent Development Kit (ADK). Develop and Evaluate RAG Pipelines: Engineer and optimize end-to-end Retrieval-Augmented Generation (RAG) systems, including data ingestion, chunking strategies … using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development Kit (ADK) LLM Expertise: Advanced Prompt Engineering and hands-on experience with model fine-tuning techniques including PEFT and QLoRA. Proven experience with models like Gemini More ❯

agile delivery, including sprint planning and iterative development Excellent communication skills and ability to collaborate with both technical and non-technical stakeholders Desirable Skills Experience with Generative AI (LLMs, LangChain, Semantic Kernel, RAG) Exposure to front-end frameworks (React, Angular, Vue) Knowledge of Microsoft Power Platform (Power Apps, Power Automate) If you’re a strong backend engineer looking for your More ❯

agile delivery, including sprint planning and iterative development Excellent communication skills and ability to collaborate with both technical and non-technical stakeholders Desirable Skills Experience with Generative AI (LLMs, LangChain, Semantic Kernel, RAG) Exposure to front-end frameworks (React, Angular, Vue) Knowledge of Microsoft Power Platform (Power Apps, Power Automate) If you’re a strong backend engineer looking for your More ❯

answering. · Ability to evaluate trade-offs and select appropriate ML/AI techniques for a given problem. · Experience with PoC development and iterating quickly based on results. · Familiarity with LangChain, LlamaIndex, or similar agentic frameworks. · Strong debugging, profiling, and optimization skills for AI applications. More ❯

years of experience, ideally working in high-growth start-up or scale-up environments Strong skills with Python & Fast API Cloud experience, ideally with AWS Proficiency with LLMs, Pydantic, LangChain/LangGraph or similar orchestration tools Computer Science/STEM background from a top ranked University Base salary of £80k-£110k Exceptional equity and benefits package Hybrid working, with More ❯

understanding of AI/ML techniques including reinforcement learning, LLM agents, and simulations Proficient in Python and Infrastructure as Code for cloud environments Familiarity with AI orchestration platforms like LangChain, AutoGen, CrewAI, or similar Experience supporting pre-sales in consultancy or product environments Systems thinker able to architect complex AI-integrated enterprise solutions Bonus: Experience with Microsoft Copilot Agents and More ❯

of experience in technical pre-sales, solutions consulting, or AI implementation roles. Proven hands-on experience with Generative AI, LLMs (e.g., GPT, Claude, PaLM, LLaMA), and related tools (e.g., LangChain, vector databases). Strong understanding of raw data, data structures, NLP/NLU/NLG, ML pipelines, and prompt engineering. Experience with enterprise-grade AI deployments, including model evaluation, customization More ❯

of experience in technical pre-sales, solutions consulting, or AI implementation roles. Proven hands-on experience with Generative AI, LLMs (e.g., GPT, Claude, PaLM, LLaMA), and related tools (e.g., LangChain, vector databases). Strong understanding of raw data, data structures, NLP/NLU/NLG, ML pipelines, and prompt engineering. Experience with enterprise-grade AI deployments, including model evaluation, customization More ❯

Senior Gen AI Engineer – London (Hybrid) - £90-120k Prompt Engineering | RAG Pipelines/Vector DB | OpenAI & LangChain | Flexible Working Ada Meher is currently working with an equity backed SaaS software vendor in the construction space who are recruiting a Senior AI Engineer with skills in LLM, RAG pipeline builds & fine-tuning and optimisation of prompts & models to join their … of commercial work on production level LLM/Gen AI projects Strong experience with Python/FastAPI, Node/Typescript or similar Experience with relevant technologies such as OpenAI, LangChain/LangGraph, LlamaIndex Experience with Hugging Face and LoRA/QLoRA for fine-tuning Experience with RAG & Vector DBs eg. FAISS, Weaviate, Pinecone Any experience of MLOps with MLFlow, AWS More ❯

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 ❯