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Scale AI provides data and evaluation infrastructure for the world's leading AI labs and enterprises—RLHF, preference data, and agent benchmarks.Senior ML Engineer (SF / hybrid): quality models for data labeling, automated evaluators, and customer delivery tooling.What you will doShip production…

Perks · Equity, lunch, hybrid flexibility.

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Anthropic researches AI safety and builds Claude—frontier language models deployed to enterprises with strong harmlessness and honesty goals.Research Engineer (San Francisco): RLHF pipelines, evals, red-teaming automation, and scalable training infrastructure partners.What you will doShip…

Perks · Top-tier medical, equity, research time.

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Ocado Technology builds warehouse robotics and AI for online grocery at global scale. Hatfield R&D connects simulation to live fulfilment centres.Robotics ML Engineer: perception, motion planning ML, and sim2real validation for autonomous bots.What you will doShip production robotics perception…

Perks · Discounts, pension, on-site lab.

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Wise moves money internationally for millions of customers. ML powers fraud, sanctions screening, and support automation.ML Engineer — fraud & abuse (London): graph + sequence models, real-time scoring, and GenAI-assisted investigation tools.What you will doShip production fraud and risk ML…

Perks · Wise account perks, equity, hybrid.

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Stability AI develops open generative models and tooling for creators and enterprises. London research engineers ship training and inference improvements.Research Engineer — Generative AI: diffusion and transformer training, evals, and safe release processes for open weights.What you will doShip…

Perks · GPU access, open research culture.

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Tractable applies computer vision to insurance and automotive damage assessment, processing millions of images with human-in-the-loop QA.Computer Vision Engineer (London): segmentation, 3D reconstruction hints, and production monitoring for claim automation.What you will doShip production vision…

Perks · Equity, private medical, hybrid.

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Graphcore designs IPU accelerators and software for AI training and inference. Bristol teams work close to hardware and large-model performance.ML Systems Engineer: optimise training graphs, distributed workloads, and partner enablement for foundation-model customers.What you will doShip production…

Perks · Equity, Bristol hub, flexible hours.

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Faculty helps organisations adopt decision intelligence—from classical ML to modern GenAI—with strong consulting and delivery teams.Senior ML Engineer (London hybrid): client-facing delivery of RAG and forecasting systems with security review baked in.What you will doShip production client delivery…

Perks · Consulting variety, training budget.

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Deliveroo optimises logistics and discovery for restaurants and riders across Europe. Ranking, ETA, and dispatch models run at massive scale.Senior Applied Scientist (London): embeddings, forecasting, and GenAI-assisted merchant tools with tight A/B discipline.What you will doShip production…

Perks · Rider perks, hybrid, bonus.

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Darktrace applies self-learning AI to cybersecurity for enterprises worldwide, with R&D anchored in Cambridge, UK.ML Engineer role: anomaly detection, graph features, and LLM-assisted analyst copilots with low false-positive targets.What you will doShip production security ML models with clear…

Perks · Share scheme, health cover, hybrid 2/3.

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Monzo is a digital bank built in the cloud with ML across risk, marketing, and operations. Platform reliability and explainability matter as much as model quality.Hire: Lead MLOps Engineer (London hybrid) for feature stores, batch/real-time inference, and GPU cost governance.What you will doShip…

Perks · Flexible leave, learning stipend, hybrid.

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Revolut serves tens of millions of customers globally with AI-assisted support, fraud, and personalization features under strict regulatory expectations.We need a Senior LLM Engineer in London to own copilots, tool-calling workflows, and eval harnesses for customer-facing flows.What you will doShip…

Perks · Stock options, private healthcare, flexible hybrid.

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