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Harvey builds LLM copilots for law firms with strict confidentiality and citation requirements.LLM Engineer (San Francisco): legal RAG, prompt systems, and human-in-the-loop review tooling.What you will doDeliver production-grade legal-domain LLM products with measurable quality, latency, and cost…

Perks · Top-tier comp, equity.

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Glean connects enterprise knowledge with LLM search and agents used by Fortune 500 teams.LLM Engineer — enterprise RAG (Palo Alto / hybrid): connectors, ACL-aware retrieval, and quality evals.What you will doDeliver production-grade enterprise RAG with measurable quality, latency, and cost…

Perks · Equity, hybrid, comprehensive medical.

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Faculty AI delivery teams onboard early-career ML engineers onto client GenAI and forecasting projects.Junior ML Engineer (London): mentorship, feature engineering, eval notebooks, and guarded production contributions.What you will doDeliver production-grade applied ML with mentorship with…

Perks · Mentorship, training budget.

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BenevolentAI applies machine learning to drug discovery and biomedical knowledge graphs.Senior ML Engineer: graph ML, literature mining, and wet-lab collaboration with reproducible pipelines.What you will doDeliver production-grade biomedical ML with measurable quality, latency, and cost…

Perks · Science-driven culture, hybrid.

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Grammarly ships AI writing assistance to consumers and enterprises globally.AI Technical Writer (Remote, UK): API docs, prompt guides, eval notes, and developer education for LLM features.What you will doDeliver production-grade AI product documentation with measurable quality, latency, and cost…

Perks · Remote UK, equity, learning stipend.

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ARM designs CPUs and NPUs used in billions of edge devices. Cambridge teams optimise ML for efficient inference.ML Engineer: quantization, ONNX/ExecuTorch paths, and partner enablement for on-device AI.What you will doDeliver production-grade edge ML and efficient inference with measurable quality,…

Perks · Flexible hours, Cambridge campus.

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Quantexa resolves entities and builds graph intelligence for AML and fraud teams.ML Engineer — knowledge graphs: graph neural networks, NLP entity linking, and production scoring.What you will doDeliver production-grade graph ML and entity resolution with measurable quality, latency, and cost…

Perks · Equity, pension, hybrid.

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Checkout.com processes global payments with ML for fraud, risk, and authorisation.ML Engineer — fraud: real-time graph features, explainability, and GenAI-assisted analyst workflows.What you will doDeliver production-grade payments fraud ML with measurable quality, latency, and cost targets.Build…

Perks · Bonus, medical, hybrid.

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Synthesia creates AI video avatars for L&D and marketing teams worldwide.Generative AI Engineer: diffusion/video models, GPU pipelines, and quality gates for enterprise customers.What you will doDeliver production-grade generative video models with measurable quality, latency, and cost…

Perks · GPU budget, equity, hybrid.

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PolyAI builds enterprise voice assistants with LLMs for banking, retail, and hospitality.LLM Engineer (London): dialog policies, tool use, latency optimisation, and multilingual safety.What you will doDeliver production-grade conversational LLM systems with measurable quality, latency, and cost…

Perks · Equity, lunch, hybrid 3/2.

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Spotify personalises listening for hundreds of millions of users. London ML teams work on recommendations, embeddings, and GenAI-assisted discovery.Senior ML Engineer role: sequential models, causal inference for experiments, and platform integration at scale.What you will doDeliver…

Perks · Premium, parental leave, hybrid London.

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Pennylane combine comptabilité et logiciel pour les entreprises françaises. L'IA automatise saisie, rapprochement et insights.ML Engineer (Paris) : OCR + LLM sur documents comptables, avec contrôles qualité et audit trail.What you will doShip production document AI for accounting with clear…

Perks · BSPCE, mutuelle, produit compta moderne.

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