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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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Listed May 10, 2026Updated Aug 3, 2026
Thames Inference Labs ships assistant and RAG platforms for regulated customers in banking, insurance, and critical infrastructure. We blend pragmatic delivery with strong evaluation and rollback discipline so models never become a black-box liability.We are hiring a Staff LLM Engineer based in…
Our applied team ships agentic assistants for operations teams across the DACH region. We need a Staff engineer who can own architecture for multi-step workflows, safety layers, and multilingual rollouts.Berlin hybrid; you will collaborate with research, infra, and compliance from day one.What you…
Bird (MessageBird) connects businesses to customers on every channel with growing AI automation.LLM engineers build agents and tool routing for support and sales workflows.What you will doShip production conversational platform LLMs with offline evals, monitoring, and safe rollout.Work with product…
Perks · Equity, hybrid, global messaging APIs.
PythonLangChainOpenAI API
ToolsDocker
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Healthcare AI
Listed May 3, 2026Updated Aug 3, 2026
Toulouse engineering hub builds high-throughput APIs powering summarisation, drafting, and extraction for French public-sector and industrial accounts. Resilience and clarity beat novelty.On-site leaning hybrid; French working knowledge expected for customer workshops.What you will doImplement…
Perks · Restaurant tickets, CET-friendly hours.
PythonAWSSQL
ToolsRedisDocker
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Climate AI
Listed Apr 27, 2026Updated Aug 3, 2026
Cambridge-adjacent R&D cell partners with product teams across Europe to institutionalise evaluation: harnesses, judge calibration, and dataset governance before models reach customers.Hybrid; willingness to publish internal tech notes (not necessarily public papers).What you will doImplement…
Perks · Cycle scheme, learning budget.
PythonLangChainOpenAI API
ToolsDocker
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Geospatial AI · Earth observation · Location intelligence
Listed Apr 19, 2026Updated Aug 3, 2026
Geoox — Ship LLM-powered copilots grounded in maps, parcels, and operational telemetry. You will design retrieval over geo corpora, tool-calling for spatial queries, and safety reviews for user-facing answers.Expectations: production prompt/version control, offline eval sets with geo-specific edge…
Perks · Hybrid weeks, mental health coverage, LLM tooling budget.
PythonLangChainOpenAI APITypeScript
ToolsVector DBsPostGIS
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Perks · Company car option, meal vouchers.
PythonAWSKubernetesOpenAI API
ToolsNotionDocker
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RRSP match, parental top-up.
TypeScriptReactPythonOpenAI API
ToolsDockerPostgreSQL
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Listed Mar 8, 2026Updated Aug 3, 2026
Mistral AI — Open-weight LLM developer competing globallyRole context: Generative AI · based in Paris · ~50-200 people · Startup · LLM/genAI focus: Yes.You will own delivery across the AI lifecycle—data and evaluation, modeling or LLM-based features, production rollout, and close collaboration with…
Perks · Health coverage (statutory + supplemental where applicable), meal vouchers where relevant, flexible hybrid weeks, learning budget.
PythonPyTorchOpenAI API
ToolsDocker
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Listed Mar 6, 2026Updated Aug 3, 2026
H Company — Autonomous AI agents for workflowsRole context: AI Agents · based in Paris · ~10-50 people · Startup · LLM/genAI focus: Yes.You will own delivery across the AI lifecycle—data and evaluation, modeling or LLM-based features, production rollout, and close collaboration with product and…
Perks · Health coverage (statutory + supplemental where applicable), meal vouchers where relevant, flexible hybrid weeks, learning budget.
PythonLangChainOpenAI API
ToolsVector DBs
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Listed Feb 28, 2026Updated Aug 3, 2026
LightOn — Enterprise generative AIRole context: Generative AI · based in Paris · ~50-200 people · Startup · LLM/genAI focus: Yes.You will own delivery across the AI lifecycle—data and evaluation, modeling or LLM-based features, production rollout, and close collaboration with product and domain…
Perks · Health coverage (statutory + supplemental where applicable), meal vouchers where relevant, flexible hybrid weeks, learning budget.