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Machine Learning Engineer, Platform

London, UK💼 Full-time🗓 2026-07-10 → 2026-07-31

Core

Building retrieval and knowledge representation systems (RAG pipelines, vector stores, knowledge graphs) for an enterprise-grade Generative AI platform to power agentic workflows.

Role type

Senior IC Machine Learning Engineer (Platform/Retrieval)

Builds

Production retrieval systems, RAG pipelines, knowledge graphs, and context engines for enterprise AI agents.

Domain

Generative AI, Enterprise Software, Knowledge Representation

Deliverable

production ML models

Required skills

Python, RAG pipelines, vector indexing, knowledge graphs, embedding models, evaluation frameworks, backend services, data pipelines

Preferred skills

Ontologies, semantic search, agentic systems, high-growth startup experience, ambiguous problem spaces

Technologies

Vector databases, APIs, LLMs

Responsibilities

Own large areas of platform end to end from design to production deployment; Design and implement RAG pipelines including chunking, embedding, indexing, retrieval, and reranking; Build and maintain integrations between retrieval components and enterprise data sources; Develop context retrieval systems balancing recall, precision, latency, and cost; Build evaluation frameworks and datasets to measure retrieval quality and agent performance; Build reliable backend services and data pipelines supporting ML and LLM components.

Seniority

Senior, hands-on IC

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