SignalAI

Jobs · curated

Where AI builders are hiring.

A curated feed of AI-builder roles from frontier labs, AI-first product companies, and big-tech AI orgs. Filter by track or location, search the feed, click out to apply directly. No middlemen, no resume parsing.

Snapshot updated 5d ago · auto-refreshes every 4 hours.

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61 roles matching · 1644 total

  1. Anthropic logo
    Engineeringworking· Anthropic

    Anthropic Fellows Program — ML Systems & Performance

    London, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CA · posted 6d ago

    agentsfine-tuningAnthropicGPT
    Apply →
  2. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Knowledge Team

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 7d ago

    RAGAnthropicClaudeGPT
    Apply →
  3. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Model Evaluations

    Remote-Friendly (Travel-Required) | San Francisco, CA | New York City, NY · posted 2w ago

    evalsAnthropicClaudeGPT
    Apply →
  4. Anthropic logo
    Engineeringworking· Anthropic

    Security Engineer - Threat Intel

    New York City, NY; Remote-Friendly (Travel-Required) | San Francisco, CA | Washington, DC; San Francisco, CA | New York City, NY · posted 2w ago

    AnthropicGPT
    Apply →
  5. Anthropic logo
    Engineeringworking· Anthropic

    Cluster Deployment Engineer

    Remote-Friendly, United States · posted 3w ago

    AnthropicGPT
    Apply →
  6. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Machine Learning (RL Velocity)

    Remote-Friendly (Travel-Required) | San Francisco, CA | New York City, NY · posted 3w ago

    inferenceAnthropicGPT
    Apply →
  7. Mistral AI logo
    Engineeringworking· Mistral AI

    Mistral Cloud - Software Engineer, Backend (Golang)

    Paris · posted 4w ago

    Mistral
    Apply →
  8. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer/Research Scientist, Pre-training

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 5w ago

    AnthropicGPT
    Apply →
  9. Anthropic logo
    Engineeringworking· Anthropic

    IT Systems Engineer, Enterprise SaaS

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 5w ago

    AnthropicGPT
    Apply →
  10. Anthropic logo
    Engineeringworking· Anthropic

    IT Systems Engineer, Corporate Systems & Infrastructure

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 5w ago

    AnthropicGPT
    Apply →
  11. Anthropic logo
    Engineeringworking· Anthropic

    Threat Collections Engineer

    Remote-Friendly (Travel-Required) | San Francisco, CA | Washington, DC · posted 6w ago

    AnthropicClaudeGPT
    Apply →
  12. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Universes

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 6w ago

    fine-tuningAnthropicGPT
    Apply →
  13. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Reward Models Platform

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 6w ago

    fine-tuningAnthropicGPT
    Apply →
  14. Anthropic logo
    Engineeringworking· Anthropic

    Research Engineer, Environment Scaling

    Remote-Friendly (Travel Required) | San Francisco, CA · posted 6w ago

    evalsfine-tuningAnthropicClaudeGPT
    Apply →
  15. Anthropic logo
    Engineeringworking· Anthropic

    Application Security Engineer

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY · posted 6w ago

    AnthropicGPT
    Apply →
  16. Anthropic logo
    Engineeringworking· Anthropic

    Data Center Engineer, Resource Efficiency – Compute Supply

    Remote-Friendly, United States · posted 6w ago

    AnthropicGPT
    Apply →
  17. Anthropic logo
    Engineeringadvanced· Anthropic

    Infrastructure Tax Lead

    Remote-Friendly (Travel-Required) | San Francisco, CA | New York City, NY · posted 6w ago

    AnthropicGPT
    Apply →
  18. Anthropic logo
    Engineeringworking· Anthropic

    Security Engineer, Offensive Security

    Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA · posted 6w ago

    AnthropicGPT
    Apply →
  19. Mistral AI logo
    Engineeringworking· Mistral AI

    Research Platform Engineer

    Paris · posted 12mo ago

    Mistral
    Apply →
  20. Mistral AI logo
    Engineeringworking· Mistral AI

    Site Reliability Engineer

    Paris · posted 26mo ago

    inferenceMistral
    Apply →
  21. Cohere logo
    Engineeringworking· Cohere

    Software Engineer, Security

    Remote

    RAGagents
    Apply →
  22. Cohere logo
    Engineeringadvanced· Cohere

    Member of Technical Staff, Training Performance Engineer

    Remote

    RAGagents
    Apply →
  23. Cohere logo
    Engineeringadvanced· Cohere

    Member of Technical Staff, Training Infra Engineer

    Remote

    RAGagents
    Apply →
  24. Cohere logo
    Engineeringadvanced· Cohere

    Senior Research Engineer, Model Evaluation

    Remote

    RAGagents
    Apply →
  25. Cohere logo
    Engineeringadvanced· Cohere

    Member of Technical Staff, Integration/RL Team (Research Engineer)

    Remote

    RAGagents
    Apply →
  26. Cohere logo
    Engineeringworking· Cohere

    Software Engineer - Applied ML - UK Public Sector

    Remote

    RAGagentsLangChain
    Apply →
  27. Cohere logo
    Engineeringworking· Cohere

    Software Engineer, Collect

    Remote

    RAGagents
    Apply →
  28. Cohere logo
    Engineeringworking· Cohere

    Software Engineer, Internal Infrastructure (Europe & UK)

    Remote

    RAGagents
    Apply →
  29. Cohere logo
    Engineeringworking· Cohere

    Software Engineer, Internal Infrastructure (North America)

    Remote

    RAGagents
    Apply →
  30. Cohere logo
    Engineeringadvanced· Cohere

    Senior/Staff Full-Stack Engineer

    Remote

    RAGagents
    Apply →
  31. Cohere logo
    Engineeringadvanced· Cohere

    Senior Security Engineer

    Remote

    RAGagents
    Apply →
  32. Cohere logo
    Engineeringadvanced· Cohere

    Staff Research Engineer, Model Efficiency

    Remote

    RAGagentsinference
    Apply →
  33. Cohere logo
    Engineeringworking· Cohere

    Audio Inference Engineer, Model Efficiency

    Remote

    RAGagentsmodel servinginference
    Apply →
  34. Cohere logo
    Engineeringworking· Cohere

    Software Engineer, Search Applications

    Remote

    RAGagents
    Apply →
  35. Cohere logo
    Engineeringadvanced· Cohere

    Staff Software Engineer, GPU Infrastructure (HPC)

    Remote

    RAGagents
    Apply →
  36. Cohere logo
    Engineeringadvanced· Cohere

    Senior ML Systems Engineer, Frameworks & Tooling

    Remote

    RAGagents
    Apply →
  37. Cohere logo
    Engineeringadvanced· Cohere

    Senior Software Engineer, Security Agents

    Remote

    RAGagents
    Apply →
  38. Cohere logo
    Engineeringworking· Cohere

    Applied AI Engineer – Agentic Workflows

    Remote

    RAGagentsguardrailsPineconeWeaviateClaude
    Apply →
  39. Cohere logo
    Engineeringadvanced· Cohere

    Staff Software Engineer, Inference Infrastructure

    Remote

    RAGagentsmodel servinginference
    Apply →
  40. Cohere logo
    Engineeringworking· Cohere

    Full-Stack Software Engineer, Inference

    Remote

    RAGagentsinference
    Apply →
  41. Cohere logo
    Engineeringworking· Cohere

    Site Reliability Engineer, Inference Infrastructure

    Remote

    RAGagentsmodel servinginference
    Apply →
  42. Cohere logo
    Engineeringworking· Cohere

    Applied AI Engineer - Agentic Workflows (Singapore)

    Remote

    RAGagentsfine-tuningtool useguardrailshuman-in-the-loop
    Apply →
  43. Cohere logo
    Engineeringworking· Cohere

    Engineering Manager, North

    Remote

    RAGagents
    Apply →
  44. Cohere logo
    Engineeringworking· Cohere

    Applied AI Engineer – Agentic Workflows (Korea)

    Remote

    RAGagentsfine-tuningtool useguardrailsClaude
    Apply →
  45. Cohere logo
    Engineeringworking· Cohere

    Research Engineer

    Remote

    RAGagentsRLHF
    Apply →
  46. Cohere logo
    Engineeringadvanced· Cohere

    Senior Software Engineer, Agent Infrastructure

    Remote

    RAGagentsmulti-agentinference
    Apply →
  47. Cohere logo
    Engineeringworking· Cohere

    Product Manager, Platform Experience & Developer Product

    Remote

    RAGagentsmodel servinginferenceLangChainLlamaIndex
    Apply →
  48. Cohere logo
    Engineeringadvanced· Cohere

    Senior Security Operations Engineer

    Remote

    RAGagents
    Apply →
  49. Cohere logo
    Engineeringworking· Cohere

    Security Operations Engineer, EMEA

    Remote

    RAGagents
    Apply →
  50. Cohere logo
    Engineeringadvanced· Cohere

    Lead Data Scientist

    Remote

    RAGagentsinference
    Apply →
  51. Cohere logo
    Engineeringfoundations· Cohere

    Software Engineer Intern (Fall / Winter 2026)

    Remote

    RAGagents
    Apply →
  52. Cohere logo
    Engineeringworking· Cohere

    Data Engineer

    Remote

    RAGagents
    Apply →
  53. Cohere logo
    Engineeringworking· Cohere

    Data Annotation Specialist, Engineering

    Remote

    RAGagentstool use
    Apply →
  54. Cohere logo
    Engineeringadvanced· Cohere

    Lead Member of Technical Staff, Inference Infrastructure

    Remote

    RAGagentsmodel servinginference
    Apply →
  55. Cohere logo
    Engineeringworking· Cohere

    Engineering Manager, Agentic Platform

    Remote

    RAGagents
    Apply →
  56. Cohere logo
    Engineeringadvanced· Cohere

    Director of Infrastructure Finance

    Remote

    RAGagents
    Apply →
  57. Hugging Face logo
    Engineeringworking· Hugging Face

    Cloud ML DevRel Engineer - EMEA remote

    published

    Apply →
  58. Hugging Face logo
    Engineeringworking· Hugging Face

    Cloud ML DevRel Engineer - US remote

    published

    Apply →
  59. Hugging Face logo
    Engineeringworking· Hugging Face

    Open-Source Machine Learning Engineer - International Remote

    published

    Apply →
  60. Reka AI logo
    Engineeringadvanced· Reka AI

    Member of Technical Staff (GPU Performance Engineer)

    Remote

    fine-tuningmodel serving
    Apply →
  61. Reka AI logo
    Engineeringadvanced· Reka AI

    Member of Technical Staff: Machine Learning Engineer

    Remote

    fine-tuninginference
    Apply →