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.

AllAI BuilderEngineeringProductDesign
Remote
T1T2T3T4T5
Clear all

126 roles matching · 1644 total

  1. Reddit logo
    Engineeringadvanced· Reddit

    Staff Software Engineer, Community Builders

    Remote - United States · posted 6d ago

    inference
    Apply →
  2. Twilio logo
    Engineeringadvanced· Twilio

    Principal Presales Engineer, Product Specialist - CDP, Martech, AI

    Remote - United Kingdom · posted 6d ago

    Apply →
  3. Reddit logo
    Engineeringworking· Reddit

    Data Scientist, Ads

    Remote - Ontario, Canada · posted 6d ago

    inference
    Apply →
  4. Reddit logo
    Engineeringworking· Reddit

    Data Scientist, Ads

    Remote - United States · posted 6d ago

    inference
    Apply →
  5. Reddit logo
    Engineeringadvanced· Reddit

    Senior Data Scientist, Ads

    Remote - Ontario, Canada · posted 6d ago

    inference
    Apply →
  6. Reddit logo
    Engineeringadvanced· Reddit

    Senior Data Scientist, Ads

    Remote - United States · posted 6d ago

    inference
    Apply →
  7. Reddit logo
    Engineeringadvanced· Reddit

    Staff Data Scientist, Ads

    Remote - Ontario, Canada · posted 6d ago

    inference
    Apply →
  8. Reddit logo
    Engineeringadvanced· Reddit

    Staff Data Scientist, Ads

    Remote - United States · posted 6d ago

    inference
    Apply →
  9. Twilio logo
    Engineeringadvanced· Twilio

    Senior Engineer, Security Automation

    Remote - United Kingdom · posted 6d ago

    Apply →
  10. Twilio logo
    Engineeringadvanced· Twilio

    Senior Engineer, Security Automation

    Remote - Ireland · posted 6d ago

    Apply →
  11. Twilio logo
    Engineeringadvanced· Twilio

    Staff Product Manager - Core Commerce Platform

    Remote - Canada · posted 6d ago

    guardrails
    Apply →
  12. Twilio logo
    Engineeringadvanced· Twilio

    Staff Machine Learning Engineer (L4)

    Remote - India · posted 6d ago

    Apply →
  13. Twilio logo
    Engineeringadvanced· Twilio

    Staff Engineer, Offensive Security

    Remote - Ireland · posted 6d ago

    LangChain
    Apply →
  14. Twilio logo
    Engineeringadvanced· Twilio

    Senior Engineer, Offensive Security

    Remote - India · posted 6d ago

    LangChain
    Apply →
  15. Twilio logo
    Engineeringworking· Twilio

    Software Engineer (L3) Infrastructure

    Remote - Canada · posted 6d ago

    Claude
    Apply →
  16. Twilio logo
    Engineeringadvanced· Twilio

    Staff Software Engineer (L4)

    Remote - Colombia · posted 6d ago

    LangChainLlamaIndex
    Apply →
  17. Twilio logo
    Engineeringadvanced· Twilio

    Senior Software Engineer

    Remote - Ireland · posted 6d ago

    agentsClaude
    Apply →
  18. Twilio logo
    Engineeringadvanced· Twilio

    Staff Engineer, AI Security

    Remote - Ireland · posted 6d ago

    agentsmulti-agent
    Apply →
  19. Twilio logo
    Engineeringworking· Twilio

    Software Engineer

    Remote - Ireland · posted 6d ago

    agentsClaude
    Apply →
  20. Twilio logo
    Engineeringadvanced· Twilio

    Senior Sales System Engineer 3

    Remote - Alberta, Canada (DNU) · posted 6d ago

    Claude
    Apply →
  21. Stripe logo
    Engineeringadvanced· Stripe

    Staff Engineer, Identity

    Seattle, San Francisco, New York, Remote · posted 6d ago

    model servingOpenAI
    Apply →
  22. Pinterest logo
    Engineeringworking· Pinterest

    Engineering Manager, Developer Agents

    San Francisco, CA, US; Remote, US · posted 6d ago

    agents
    Apply →
  23. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Software Engineer, Agent Foundations

    San Francisco, CA, US; Remote, US · posted 6d ago

    agents
    Apply →
  24. Pinterest logo
    Engineeringadvanced· Pinterest

    Principal Engineer, Agentic Engineering

    Chicago, IL, US; Remote, US · posted 7d ago

    agentsmulti-agentLangChainOpenAIAnthropic
    Apply →
  25. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, Ads Auction (Ads Marketplace Quality)

    Remote - United States · posted 7d ago

    inference
    Apply →
  26. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, Ranking and Personalization

    Remote - United States · posted 7d ago

    embeddings
    Apply →
  27. Reddit logo
    Engineeringadvanced· Reddit

    Senior Staff Machine Learning Engineer, ML Understanding

    Remote - United States · posted 7d ago

    embeddingsinference
    Apply →
  28. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, AI Serving

    Remote - United States · posted 7d ago

    model servinginference
    Apply →
  29. Reddit logo
    Engineeringadvanced· Reddit

    Senior Machine Learning Engineer, GenAI Security

    Remote - United States · posted 7d ago

    agentsfine-tuningembeddingslong-contextmodel serving
    Apply →
  30. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, Ads Measurement Modeling

    Remote - United States · posted 7d ago

    agentsinference
    Apply →
  31. Reddit logo
    Engineeringadvanced· Reddit

    Staff Product Security Engineer

    Remote - United States · posted 7d ago

    agentsguardrails
    Apply →
  32. Reddit logo
    Engineeringadvanced· Reddit

    Senior Software Engineer, GenAI Platform

    Remote - United States · posted 7d ago

    RAGembeddingsvector searchtool usemodel servinginference
    Apply →
  33. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, Ads Content Understanding

    Remote - United States · posted 7d ago

    Apply →
  34. Reddit logo
    Engineeringadvanced· Reddit

    Staff Software Engineer, ML Search

    Remote - United States · posted 7d ago

    embeddings
    Apply →
  35. Reddit logo
    Engineeringworking· Reddit

    Ads Conversion Modeling, Machine Learning Engineering Manager

    Remote - United States · posted 7d ago

    Apply →
  36. Reddit logo
    Engineeringadvanced· Reddit

    Senior Staff Machine Learning Engineer, GenAI Platform

    Remote - United States · posted 7d ago

    RAGmodel servinginference
    Apply →
  37. Reddit logo
    Engineeringadvanced· Reddit

    Senior Staff ML Engineer, Search & Recommendation

    Remote - United States · posted 7d ago

    RAG
    Apply →
  38. Reddit logo
    Engineeringadvanced· Reddit

    Senior Machine Learning Engineer, ML Training Platform

    Remote - United States · posted 7d ago

    Apply →
  39. Reddit logo
    Engineeringadvanced· Reddit

    Senior Staff Machine Learning Engineer, Feed Relevance

    Remote - United States · posted 7d ago

    Apply →
  40. Reddit logo
    Engineeringadvanced· Reddit

    Principal Data Scientist, Ads

    Remote - United States · posted 7d ago

    inference
    Apply →
  41. Reddit logo
    Engineeringadvanced· Reddit

    Senior Engineering Manager, Unified Embeddings Platform

    Remote - United States · posted 7d ago

    embeddings
    Apply →
  42. Reddit logo
    Engineeringadvanced· Reddit

    Senior Staff Software Engineer, Indexing & Retrieval Platform

    Remote - United States · posted 7d ago

    vector search
    Apply →
  43. Airbnb logo
    Engineeringadvanced· Airbnb

    Staff Software Engineer, Build

    Remote - USA · posted 7d ago

    agents
    Apply →
  44. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Data Scientist, Responsible AI

    San Francisco, CA, US; Remote, CA, US · posted 7d ago

    Apply →
  45. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Data Scientist, AI/ML Systems

    San Francisco, CA, US; Remote, CA, US · posted 7d ago

    inference
    Apply →
  46. Dropbox logo
    Engineeringworking· Dropbox

    Frontend Product Software Engineer, Design Systems

    Remote - Mexico · posted 7d ago

    agents
    Apply →
  47. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Data Scientist, AI Products

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  48. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Data Scientist, AI Products

    Remote - US: Select locations · posted 7d ago

    Apply →
  49. Dropbox logo
    Engineeringworking· Dropbox

    Product Manager, GTM Systems

    Remote - US: Select locations · posted 7d ago

    Apply →
  50. Dropbox logo
    Engineeringworking· Dropbox

    Product Manager, GTM Systems

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  51. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Data Scientist, AI Products

    Remote - US: Select locations · posted 7d ago

    Apply →
  52. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Data Scientist, AI Products

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  53. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Machine Learning Engineer, Dash Agentic AI

    Remote - Canada: Select locations · posted 7d ago

    RAGagentsfine-tuningRLHFmulti-agentinference
    Apply →
  54. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Machine Learning Engineer, Dash Agentic AI

    Remote - US: All locations · posted 7d ago

    RAGagentsfine-tuningRLHFinference
    Apply →
  55. Dropbox logo
    Engineeringworking· Dropbox

    Site Reliability Engineer

    Remote - Mexico · posted 7d ago

    Apply →
  56. Dropbox logo
    Engineeringadvanced· Dropbox

    Principal Software Engineer, Corporate AI

    Remote - US: Select locations · posted 7d ago

    Apply →
  57. Dropbox logo
    Engineeringadvanced· Dropbox

    Principal Software Engineer, Corporate AI

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  58. Dropbox logo
    Engineeringadvanced· Dropbox

    Staff Backend Product Software Engineer, Core

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  59. Dropbox logo
    Engineeringadvanced· Dropbox

    Staff Backend Product Software Engineer, Core

    Remote - US: Select locations · posted 7d ago

    Apply →
  60. Dropbox logo
    Engineeringadvanced· Dropbox

    Principal Software Engineer, Core Sharing & Collaboration

    Remote - Canada: Select locations · posted 7d ago

    Apply →
  61. Dropbox logo
    Engineeringadvanced· Dropbox

    Principal Software Engineer, Core Sharing & Collaboration

    Remote - US: All locations · posted 7d ago

    Apply →
  62. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Engineering Manager, Core Media & Intelligence

    Remote - Canada: Select locations · posted 7d ago

    agentsmodel servinginference
    Apply →
  63. Dropbox logo
    Engineeringadvanced· Dropbox

    Senior Engineering Manager, Core Media & Intelligence

    Remote - US: All locations · posted 7d ago

    agentsmodel servinginference
    Apply →
  64. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Machine Learning Engineer, Post Training

    Remote - USA · posted 7d ago

    RAGfine-tuninginference
    Apply →
  65. Reddit logo
    Engineeringadvanced· Reddit

    Staff Data Scientist, Marketing

    Remote - United States · posted 8d ago

    inference
    Apply →
  66. Reddit logo
    Engineeringadvanced· Reddit

    Senior Data Scientist, Consumer

    Remote - United States · posted 8d ago

    inference
    Apply →
  67. Reddit logo
    Engineeringadvanced· Reddit

    Staff Data Scientist, Consumer

    Remote - United States · posted 8d ago

    inference
    Apply →
  68. Reddit logo
    Engineeringworking· Reddit

    Engineering Manager, Search Storage

    Remote - United States · posted 8d ago

    embeddings
    Apply →
  69. Reddit logo
    Engineeringadvanced· Reddit

    Senior Machine Learning Systems Engineer

    Remote - United States · posted 8d ago

    model serving
    Apply →
  70. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Systems Engineer

    Remote - United States · posted 8d ago

    model serving
    Apply →
  71. Reddit logo
    Engineeringadvanced· Reddit

    Senior Machine Learning Engineer

    Remote - Ontario, Canada · posted 8d ago

    RAGfine-tuningmodel serving
    Apply →
  72. Reddit logo
    Engineeringadvanced· Reddit

    Senior Machine Learning Engineer

    Remote - United States · posted 8d ago

    RAGfine-tuningmodel serving
    Apply →
  73. Stripe logo
    Engineeringworking· Stripe

    Backend Engineer, AI Security

    New York, San Francisco, Seattle, or Remote (US/Canada) · posted 9d ago

    agentsinference
    Apply →
  74. Stripe logo
    Engineeringworking· Stripe

    Backend Engineer, Developer Experience & Product Platform

    Toronto Canada, San Francisco, Remote in US, Remote in Canada · posted 9d ago

    agents
    Apply →
  75. Stripe logo
    Engineeringworking· Stripe

    Engineering Manager, Developer Productivity AI

    US-Remote · posted 9d ago

    agents
    Apply →
  76. Stripe logo
    Engineeringworking· Stripe

    Machine Learning Engineer, Stripe Assistant

    Seattle; San Francisco; New York City; Remote · posted 9d ago

    RAGagentsfine-tuningRLHFembeddingstool use
    Apply →
  77. Stripe logo
    Engineeringworking· Stripe

    Product Manager, Stripe Infrastructure

    Remote in the US · posted 9d ago

    agentsfine-tuning
    Apply →
  78. Pinterest logo
    Engineeringworking· Pinterest

    Manager II, Machine Learning Engineering-Homefeed

    San Francisco, CA, US; Remote, US · posted 12d ago

    Apply →
  79. Pinterest logo
    Engineeringworking· Pinterest

    Software Engineer II, ML Platform, tvScientific

    San Francisco, CA, US; Remote, US · posted 12d ago

    Apply →
  80. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Software Engineer, Simulation, tvScientific

    San Francisco, CA, US; Remote, US · posted 12d ago

    agentsmulti-agentinference
    Apply →
  81. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Technical Program Manager, ML/AI Platform

    San Francisco, CA, US; Remote, US · posted 12d ago

    agentsinference
    Apply →
  82. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Software Engineer, ML Platform, tvScientific

    San Francisco, CA, US; Remote, US · posted 12d ago

    Apply →
  83. Pinterest logo
    Engineeringadvanced· Pinterest

    Director, Machine Learning Engineering – Growth

    San Francisco, CA, US; Remote, US · posted 12d ago

    Apply →
  84. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Data Scientist, Gen AI Automation

    San Francisco, CA, US; Remote, US · posted 12d ago

    RAGfine-tuningguardrailsClaude
    Apply →
  85. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Technical Program Manager, Infrastructure FinOps

    San Francisco, CA, US; Remote, US · posted 12d ago

    agents
    Apply →
  86. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Software Engineer, Ads Measurement Signal

    Seattle, WA, US; Remote, US · posted 12d ago

    agentsguardrails
    Apply →
  87. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Data Scientist, Engagement Ecosystem

    San Francisco, CA, US; Remote, US · posted 12d ago

    inference
    Apply →
  88. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Data Scientist, Ad Measurement Products

    San Francisco, CA, US; Remote, US · posted 12d ago

    inference
    Apply →
  89. Pinterest logo
    Engineeringadvanced· Pinterest

    Staff Collaboration Systems Engineer, Google Workspace

    Chicago, IL, US; Remote, US · posted 12d ago

    guardrailsGemini
    Apply →
  90. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Staff Software Engineer, Data Product Platform

    San Francisco, CA, US; Remote, US · posted 12d ago

    Claude
    Apply →
  91. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Engineering Manager, AI/ML Serving Platform

    San Francisco, CA, US; Remote, US · posted 13d ago

    inference
    Apply →
  92. Pinterest logo
    Engineeringadvanced· Pinterest

    Sr. Machine Learning Engineer, Responsible AI– Applied Research Science

    San Francisco, CA, US; Remote, CA, US · posted 13d ago

    Apply →
  93. Pinterest logo
    Engineeringworking· Pinterest

    Manager II, Machine Learning Engineering, Core Engineering

    San Francisco, CA, US; Remote, US · posted 13d ago

    Apply →
  94. Pinterest logo
    Engineeringfoundations· Pinterest

    Engineering Manager I, Growth AI

    San Francisco, CA, US; Remote, US · posted 13d ago

    guardrails
    Apply →
  95. Pinterest logo
    Engineeringworking· Pinterest

    Engineering Manager II, Enterprise AI Solutions

    San Francisco, CA, US; Remote, US · posted 13d ago

    Apply →
  96. Pinterest logo
    Engineeringworking· Pinterest

    Software Engineer II, Simulation, tvScientific

    San Francisco, CA, US; Remote, US · posted 13d ago

    agentsmulti-agentinference
    Apply →
  97. Pinterest logo
    Engineeringworking· Pinterest

    Machine Learning Engineer, Core Engineering

    San Francisco, CA, US; Palo Alto, CA, US; Seattle, WA, US; Remote, US · posted 13d ago

    Apply →
  98. Twilio logo
    Engineeringadvanced· Twilio

    Principal Engineer

    Remote - US · posted 13d ago

    agentsAnthropicClaude
    Apply →
  99. Twilio logo
    Engineeringworking· Twilio

    Machine Learning Engineer

    Remote - US · posted 13d ago

    RAGfine-tuningembeddingsinferenceLangChainClaude
    Apply →
  100. Twilio logo
    Engineeringadvanced· Twilio

    Senior Value Engineer

    Remote - US · posted 13d ago

    Apply →
  101. Twilio logo
    Engineeringworking· Twilio

    Software Engineer - Video

    Remote - US · posted 13d ago

    agentsClaude
    Apply →
  102. Twilio logo
    Engineeringworking· Twilio

    Software Engineer (L3)

    Remote - US · posted 13d ago

    agentsClaude
    Apply →
  103. Twilio logo
    Engineeringworking· Twilio

    Machine Learning Engineer

    Remote - US · posted 13d ago

    fine-tuninginference
    Apply →
  104. Twilio logo
    Engineeringadvanced· Twilio

    Principal Machine Learning & Data Engineer

    Remote - US · posted 13d ago

    inference
    Apply →
  105. Twilio logo
    Engineeringadvanced· Twilio

    Staff Machine Learning Engineer

    Remote - US · posted 13d ago

    fine-tuninginference
    Apply →
  106. Databricks logo
    Engineeringadvanced· Databricks

    Senior Security Engineer, Incident Response

    Amsterdam, Netherlands; Berlin, Germany; London, United Kingdom; Remote - Denmark; Remote - France; Remote - Germany; Remote - Italy; Remote - Spain; Remote - Sweden · posted 2w ago

    agents
    Apply →
  107. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Software Engineer, Insurance Platform

    Remote - USA · posted 2w ago

    Apply →
  108. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Software Engineer, Quality Platform

    Remote - US · posted 2w ago

    RAGagents
    Apply →
  109. Databricks logo
    Engineeringadvanced· Databricks

    Data & AI Platform Architect (Professional Services)

    Remote - Denmark · posted 2w ago

    Apply →
  110. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior iOS Software Engineer, Quality Platform

    Brazil - Remote · posted 3w ago

    agents
    Apply →
  111. Airbnb logo
    Engineeringworking· Airbnb

    Machine Learning Engineer, Customer Support Engineering

    Remote-USA · posted 3w ago

    RAGfine-tuningRLHFmulti-agentmodel serving
    Apply →
  112. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Software Engineer, Trust

    Remote - US · posted 3w ago

    agents
    Apply →
  113. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Data Scientist, Guest & Host Marketplace AI

    Remote · posted 3w ago

    inference
    Apply →
  114. Databricks logo
    Engineeringadvanced· Databricks

    Senior Specialist Solutions Architect - AI & ML Engineer

    Finland; Remote - Denmark; Stockholm, Sweden · posted 4w ago

    RAGagentsfine-tuningmulti-agentinferenceguardrails
    Apply →
  115. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Data Scientist, Causal Inference

    Remote · posted 4w ago

    inference
    Apply →
  116. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Machine Learning Engineer, Growth Platform Engineering

    Remote - USA · posted 4w ago

    human-in-the-loop
    Apply →
  117. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Machine Learning Engineer, Payments

    Remote-USA · posted 5w ago

    agentsLoRARLHFvector searchinferenceguardrails
    Apply →
  118. Reddit logo
    Engineeringadvanced· Reddit

    Staff Machine Learning Engineer, Consumer

    Remote - United States · posted 5w ago

    RAGfine-tuningembeddingsHugging Face
    Apply →
  119. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Backend Software Engineer, GraphQL

    Remote - USA · posted 6w ago

    agents
    Apply →
  120. Airbnb logo
    Engineeringworking· Airbnb

    Android Software Engineer, Quality Platform

    Remote, Brazil · posted 7w ago

    agents
    Apply →
  121. Airbnb logo
    Engineeringadvanced· Airbnb

    Staff GenAI Backend Engineer, Automation Foundation

    Remote - USA · posted 8w ago

    RAGagents
    Apply →
  122. Airbnb logo
    Engineeringadvanced· Airbnb

    Staff Software Engineer, GraphQL

    Remote - USA · posted 8w ago

    agents
    Apply →
  123. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Machine Learning Engineer, Trust

    Remote - USA · posted 2mo ago

    Apply →
  124. Airbnb logo
    Engineeringadvanced· Airbnb

    Staff Machine Learning Engineer, Listings and Host Tools Data and AI

    Remote-USA · posted 3mo ago

    Apply →
  125. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Staff Machine Learning Engineer, Communication & Connectivity

    Remote - USA · posted 4mo ago

    Apply →
  126. Airbnb logo
    Engineeringadvanced· Airbnb

    Senior Software Engineer, Community Support Engineering

    Remote, USA · posted 4mo ago

    agents
    Apply →