2 of 2 Contract LangChain Jobs in Central London

Senior Machine Learning Engineer - GenAI, LLM, RAG

Hiring Organisation
Puritas Group
Location
City of London, London, United Kingdom
Employment Type
Contract
integrate LLMs as part of a wider system. Youll be working on: Building production-grade GenAI applications using Python Developing LLM-powered systems with LangChain, LangSmith, and modern Python libraries Designing and implementing RAG pipelines, vector stores, and retrieval logic Building agentic workflows, tool-calling, and multi-step reasoning systems … evaluation deployment observability Were looking for people who have: Delivered real GenAI applications into production, not just PoCs Strong Python engineering skills Experience with LangChain, LangSmith, LlamaIndex, or similar frameworks Deep understanding of LLM behaviour, prompting, evaluation, and optimisation Experience building monitoring, logging, and guardrail frameworks Ability to work across ...

Technical Lead

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
/ELT, and analytical workloads at scale - LLM/AI features shipped to production users, covering evals, guardrails, prompt versioning, and cost control - LangChain and LangGraph for orchestration - Data modelling for fund mechanics, including cash flows, NAV, performance metrics, and position-level credit data - AWS in production … Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...