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LangChain builds the most widely used framework for LLM applications—LangChain, LangGraph, and LangSmith.AI Engineer (SF): improve developer experience, agent reliability, and enterprise deployment patterns for thousands of production apps.Hybrid SF Mission Bay — open-source culture with…
Perks · Equity, open-source culture, hybrid SF.
PythonLangChainLangGraphOpenAI API
ToolsVector DBsDocker
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Modal provides serverless GPU infrastructure for AI teams. Platform engineers make it trivial to run training, batch jobs, and inference at scale.Senior ML Platform Engineer (NYC): schedulers, cold-start optimisation, and developer experience for Python-first ML workflows.Hybrid NYC — equity and…
Perks · Equity, NYC hub, GPU credits.
PythonKubernetesAWS
ToolsDocker
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Instacart connects retailers, shoppers, and consumers. Applied Scientists work on pricing, availability, batching, and personalisation across the marketplace.Senior Applied Scientist (SF): causal inference, forecasting, and ML for operational efficiency with direct P&L impact.Hybrid Beale…
Perks · Equity, grocery credit, hybrid.
PythonSQLPyTorch
ToolsSnowflake
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Discord connects hundreds of millions of users in communities. Discovery ML powers recommendations, search, and safety classifiers.Senior ML Engineer (SF): ranking models, embeddings, and GenAI moderation assist with strict latency on mobile clients.Hybrid SF Dogpatch — equity and flexible remote…
Figma is adding AI across design, FigJam, and developer handoff. AI Product Engineers ship features used by millions of designers daily.Senior AI Product Engineer (SF): LLM-powered layout suggestions, design-system aware copilots, and eval frameworks tied to user success metrics.Hybrid SF — close…
Perks · Equity, wellness, hybrid SF.
TypeScriptPythonOpenAI APILangChain
ToolsReact
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Coinbase operates one of the largest regulated crypto platforms in the US. Trust & Safety ML teams detect fraud, account takeover, and blockchain abuse in real time.Senior ML Engineer (SF hybrid): graph features, sequence models, and LLM-assisted analyst copilots with strict false-positive…
Thought Machine builds Vault — cloud-native core banking used by Lloyds, Standard Chartered, and other tier-1 banks.Lead ML Platform Engineer (Edinburgh): feature stores, model registry, and batch inference for fraud, credit, and personalisation use cases inside regulated environments.Hybrid…
Perks · Equity, Edinburgh hub, flexible hybrid.
PythonKubernetesAWSSQL
ToolsDockerPostgreSQL
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Signal AI monitors global news and regulatory sources for enterprise comms and risk teams.Senior NLP Engineer: entity linking, event detection, and LLM-assisted summarisation across 100+ languages.Hybrid London — work with domain experts to keep models aligned with geopolitical and ESG…
Perks · Equity, pension, hybrid 3/2.
PythonPyTorchNLPSQL
ToolsSpark
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ElevenLabs builds state-of-the-art voice AI for creators, developers, and enterprises. London ML teams work on TTS, voice cloning, and real-time inference.ML Engineer — speech models: optimise latency and quality for API customers streaming millions of requests daily.Hybrid role with GPU lab access…
Perks · GPU budget, equity, hybrid.
PythonPyTorchNLP
ToolsDockerAWS
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Luminance applies AI to contract review, due diligence, and compliance for global law firms and in-house legal teams.LLM Engineer (London): RAG over privileged documents, citation fidelity, and workflow integrations with iManage / NetDocuments.You will balance model quality with auditability—every…
Perks · Equity, private medical, hybrid.
PythonLangChainOpenAI APIVector DBs
ToolsDocker
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Datadog helps thousands of teams monitor cloud and AI workloads. London engineers extend observability to LLM traces, eval scores, and cost attribution.Senior ML Engineer — LLM observability: build product surfaces for prompt versioning, drift detection, and red-team signal aggregation.Ideal if you…
Perks · Equity, parental leave, hybrid London hub.
PythonOpenAI APILangChainSQL
ToolsDockerKubernetes
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Bloomberg Terminal and B-PIPE power financial decisions worldwide. London AI teams build NLP, summarisation, and LLM-assisted workflows for news, research, and structured data.This Senior ML Engineer role focuses on production models for entity linking, sentiment, and GenAI features with strict…