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The board

203 roles for people
who build agents.

Every posting below was read by a classifier tuned to a single question: does this person build agent systems? 8,510 of 9,307 descriptions were rejected. The rejections are the point.

Shown
203
Rejected
8,510
Remote
77
Sources
Greenhouse ยท Ashby

203 roles ยท newest first

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  1. Anthropic

    Staff+ Software Engineer, Platform Intelligence at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY

    tool useweb searchcode execution

  2. E2B

    Site Reliability Engineer at E2B โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco

    TerraformHelmKubernetesEKSGKE

  3. Vercel

    Software Engineer, Agent Auth at Vercel โ€” opens the original posting in a new tab

    Agent systemsmidHybrid - San Francisco

    OAuth 2.xOIDCTypeScript

  4. Vercel

    Software Engineer, Connect at Vercel โ€” opens the original posting in a new tab

    Agent systemsseniorHybrid - San Francisco

    OAuth 2.0OIDCJWTTypeScript

  5. Baseten

    Software Engineer - Compute & Isolation at Baseten โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Francisco

    KVMFirecrackerCloud HypervisorQEMURust

  6. Sierra

    Software Engineer, Context Engine at Sierra โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco, CA

    KafkaKinesisSparkFlinkTrino

  7. Sierra

    Software Engineer, Horizon at Sierra โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco, CA

    PythonTypeScriptGoReact

  8. Sierra

    Software Engineer, Insights at Sierra โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco, CA

    GoTypeScript

  9. Sierra

    Software Engineer, Agent Runtime at Sierra โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco, CA

    Agent SDKGoTypescript

  10. Sierra

    Software Engineer Intern, Agent (London 2027) at Sierra โ€” opens the original posting in a new tab

    Agent systemsjuniorLondon

    eval frameworksagent toolingRAG pipelinesprompt engineeringReact

  11. Anthropic

    Staff+ Software Engineer, VectorDB at Anthropic โ€” opens the original posting in a new tab

    RAG / retrievalstaffNew York City, NY | Seattle, WA; San Francisco, CA | New York City, NY | Seattle, WA

  12. Anthropic

    Staff+ Software Engineer, Memory & Search at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffremoteNew York City, NY; New York City, NY | Seattle, WA; Remote-Friendly, United States; San Francisco, CA | New York City, NY | Seattle, WA

    Claude

  13. Decagon

    Senior Software Engineer, Product at Decagon โ€” opens the original posting in a new tab

    Agent systemsseniorNew York City

    LLMsprompt engineeringevals

  14. Anthropic

    Staff+ Software Engineer, Platform Acceleration at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY | Seattle, WA

    PythonGoRustTypeScript

  15. OpenAI

    Machine Learning Engineer, Implicit Signals at OpenAI โ€” opens the original posting in a new tab

    Eval / observabilitymidremoteSan Francisco

    supervised fine-tuningdistillationmodel servingbatching

  16. Mastra

    AI Engineer at Mastra โ€” opens the original posting in a new tab

    Eval / observabilitymidremoteRemote

    Mastra

  17. Baseten

    Engineering Manager, Inference Performance at Baseten โ€” opens the original posting in a new tab

    LLM infrastaffremoteSan Francisco

    PyTorchTensorRTTensorRT-LLMvLLMSGLang

  18. Baseten

    Software Engineer - Inference Platform at Baseten โ€” opens the original posting in a new tab

    LLM inframidremoteSan Francisco

    vLLMSGLangTensorRT-LLMTGIDynamo

  19. Baseten

    Software Engineer - Inference Performance at Baseten โ€” opens the original posting in a new tab

    LLM inframidremoteSan Francisco

    PyTorchTensorRTTensorRT-LLMvLLMSGLang

  20. Anthropic

    Staff Research Engineer, Multi-Agent Scaling at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY | Seattle, WA

  21. Anthropic

    Software Engineer, Sandboxing at Anthropic โ€” opens the original posting in a new tab

    LLM inframidSan Francisco, CA | New York City, NY | Seattle, WA

    FirecrackergVisorKVMQEMUrunc

  22. Anthropic

    Staff + Sr. Software Engineer, Scaling at Anthropic โ€” opens the original posting in a new tab

    LLM infrastaffNew York City, NY; San Francisco, CA; Seattle, WA

    KubernetesPythonRust

  23. Vercel

    Software Engineer, Scheduled Tasks at Vercel โ€” opens the original posting in a new tab

    OrchestrationseniorHybrid - San Francisco

    TypeScriptJavaScript

  24. OpenAI

    Software Engineer, Plugin Ecosystem at OpenAI โ€” opens the original posting in a new tab

    Agent systemsmidremoteSan Francisco

    Model Context ProtocolChatGPTCodex

  25. Trigger.dev

    Senior Backend Engineer (Europe) at Trigger.dev โ€” opens the original posting in a new tab

    OrchestrationseniorremoteRemote or Hybrid UK

    Node.jsTypeScriptRemixPostgresRedis

  26. Anthropic

    Software Engineer, Tokens and Prompt Structures at Anthropic โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco, CA | New York City, NY

    PythonRust

  27. Modal

    Inference Engineering and Product Lead at Modal โ€” opens the original posting in a new tab

    LLM infrastaffSan Francisco

    GPU memory snapshotsmulti-cloud substrate

  28. LangChain

    Senior Fullstack Engineer, AI Observability & Evals Platform at LangChain โ€” opens the original posting in a new tab

    Eval / observabilityseniorBoston, MA

    LangChainLangGraphGoPythonTypeScript

  29. Anthropic

    Staff Software Engineer, Search at Anthropic โ€” opens the original posting in a new tab

    RAG / retrievalstaffSan Francisco, CA | New York City, NY

    PythonGoJava

  30. Together AI

    Senior Software Engineer โ€” Infra Agent Systems at Together AI โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco

    KubernetesArgoCDRAGknowledge graphs

  31. Braintrust

    Platform Support Engineer at Braintrust โ€” opens the original posting in a new tab

    Eval / observabilitymidremoteSan Francisco

    KubernetesTerraformAWSAzureGCP

  32. Sierra

    Software Engineer Intern, Agent (Summer 2027) at Sierra โ€” opens the original posting in a new tab

    Agent systemsjuniorSingapore

    eval frameworksagent toolingRAG pipelinesprompt engineeringReact

  33. Replit

    Cohort 0 at Replit โ€” opens the original posting in a new tab

    Agent systemsjuniorremoteFoster City, CA

    Replit Agent

  34. Mastra

    Customer Engineer at Mastra โ€” opens the original posting in a new tab

    Agent systemsmidremoteRemote

    MastraTypeScript

  35. Anthropic

    Engineering Manager, Inference Infrastructure at Anthropic โ€” opens the original posting in a new tab

    LLM infraprincipalSan Francisco, CA | New York City, NY | Seattle, WA

    KV cachingcontinuous batchingrequest schedulingprefill/decode disaggregation

  36. Sierra

    Software Engineer Intern, Agent (Summer 2027) at Sierra โ€” opens the original posting in a new tab

    Agent systemsjuniorSan Francisco, CA

    eval frameworksagent toolingRAG pipelinesprompt engineeringReact

  37. Anthropic

    Staff Software Engineer, GTM AI Engineering at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffremoteRemote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA

    Claude APIClaude CodeClaude Agent SDKMCP

  38. OpenAI

    Software Engineer, Model Runtime at OpenAI โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Francisco

    vLLMSGLangC++RustPython

  39. Baseten

    AI Engineer at Baseten โ€” opens the original posting in a new tab

    Agent systemsseniorremoteSan Francisco

    LangChainClaude CodeMCP

  40. Cohere

    Member of Technical Staff, North Modelling (Evals) at Cohere โ€” opens the original posting in a new tab

    Eval / observabilitystaffremoteLondon

    agent workflowsLLM evalsmodel selection

  41. Anthropic

    Staff+ Software Engineer, Product Sandboxing at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY | Seattle, WA

    KubernetesPythonGoRust

  42. OpenAI

    Software Engineer, Plugin Developer Platform at OpenAI โ€” opens the original posting in a new tab

    Agent systemsmidremoteSan Francisco

    Model Context ProtocolChatGPTCodex

  43. LangChain

    Frontend Engineer, AI Observability & Evals Platform at LangChain โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco, CA

    ReactTypeScriptJavaScriptLangSmith

  44. Baseten

    Software Engineer - Observability at Baseten โ€” opens the original posting in a new tab

    Eval / observabilitymidremoteSan Francisco

    PrometheusGrafanaClickHouseOpenTelemetry

  45. Anthropic

    Staff Software Engineer, Claude Code at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY | Seattle, WA

    ReactTypeScriptClaude

  46. Cognition

    Software Engineer, Infrastructure at Cognition โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco

    KubernetesTerraformAWSGCPAzure

  47. Anthropic

    Engineering Manager, Search at Anthropic โ€” opens the original posting in a new tab

    RAG / retrievalstaffSan Francisco, CA | New York City, NY

  48. OpenAI

    Software Engineer, API Agents at OpenAI โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco

    PythonGoRustTypeScript

  49. Cline

    Senior Agent Software Engineer at Cline โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco

    TypeScriptNode.jsPythonGoRust

  50. E2B

    Engineering Team Lead, Platform at E2B โ€” opens the original posting in a new tab

    LLM infrastaffPrague, Czech Republic

    KubernetesTerraform

  51. OpenAI

    Systems Generalist, GPT Infrastructure at OpenAI โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Francisco

    vLLMSGLangTritonCUDAROCm

  52. E2B

    Product Engineer - Backend Developer at E2B โ€” opens the original posting in a new tab

    Agent systemsmidPrague, Czech Republic

    GoPostgreSQLTypeScriptNext.jsWebSockets

  53. Modal

    Member of Technical Staff - Research, Inference at Modal โ€” opens the original posting in a new tab

    LLM infraseniorNew York

    speculative decodingFlash AttentionSGLangquantization

  54. LangChain

    Software Engineering Manager, Database (SmithDB) at LangChain โ€” opens the original posting in a new tab

    RAG / retrievalstaffSan Francisco, CA

    LangSmithLangChainLangGraphRustKubernetes

  55. E2B

    Platform Engineer at E2B โ€” opens the original posting in a new tab

    LLM infraseniorPrague, Czech Republic

    FirecrackerKuberneteseBPF

  56. Anthropic

    Staff+ Software Engineer, Inference Velocity at Anthropic โ€” opens the original posting in a new tab

    LLM infrastaffremoteRemote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY

    CUDATPUTrainiumXLATriton

  57. Anthropic

    Staff + Senior Software Engineer, Inference Infrastructure at Anthropic โ€” opens the original posting in a new tab

    LLM infrastaffSan Francisco, CA | New York City, NY | Seattle, WA

    KubernetesPythonRust

  58. OpenAI

    Software Engineer, Cloud Agents at OpenAI โ€” opens the original posting in a new tab

    OrchestrationseniorremoteSan Francisco

    PythonRustTypeScriptGo

  59. Fireworks AI

    Member of Technical Staff, Full Stack at Fireworks AI โ€” opens the original posting in a new tab

    Agent systemsstaffremoteSan Mateo

    ReactTypeScriptJavaScriptNext.jsNode.js

  60. Anthropic

    Product Engineer, Computer Use at Anthropic โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco, CA | New York City, NY | Seattle, WA

    LLM APIsagent frameworks

  61. Anthropic

    Performance Engineer, Inference Systems at Anthropic โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco, CA | New York City, NY | Seattle, WA

    Python

  62. Cognition

    Product Engineer at Cognition โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco

    PythonTypeScriptReact

  63. Anthropic

    Staff+ Software Engineer, Backend at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY

    Claude APIClaude Managed Agents

  64. OpenAI

    Software Engineer, Workload Enablement at OpenAI โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Francisco

    PyTorchNCCLRCCLKubernetesRDMA

  65. Sierra

    Engineering Manager, Agent at Sierra โ€” opens the original posting in a new tab

    Agent systemsseniorLondon

    RAGeval frameworksagent toolingprompt engineeringReact

  66. Anthropic

    Senior Staff Software Engineer, API at Anthropic โ€” opens the original posting in a new tab

    Agent systemsprincipalSan Francisco, CA | New York City, NY

    PythonGolangRustPostgreSQLKubernetes

  67. OpenAI

    Software Engineer, Observability at OpenAI โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco

    KubernetesAWSPrometheusOpenTelemetry

  68. Vercel

    Software Engineer, AI Gateway at Vercel โ€” opens the original posting in a new tab

    LLM infraseniorHybrid - San Francisco

    TypeScriptJavaScript

  69. Anthropic

    Model Performance Software Engineer, Claude Code at Anthropic โ€” opens the original posting in a new tab

    Eval / observabilitystaffSan Francisco, CA | New York City, NY

    PythonTypeScript

  70. Replit

    Senior Software Engineer, Replit Cloud at Replit โ€” opens the original posting in a new tab

    Agent systemsseniorremoteFoster City, CA

    TypeScriptReactGoPostgresTerraform

  71. Replit

    Staff Software Engineer, Replit Cloud at Replit โ€” opens the original posting in a new tab

    Agent systemsstaffremoteFoster City, CA

    TypeScriptReactPostgresGoTerraform

  72. Arize AI

    Senior Open Source Design Engineer at Arize AI โ€” opens the original posting in a new tab

    Eval / observabilityseniorremoteRemote (United States)

    ReactTypeScript

  73. Anthropic

    Staff+ Software Engineer, Claude App Infrastructure at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA | New York City, NY | Seattle, WA

    gVisorFirecracker

  74. Anthropic

    Staff+ Software Engineer, Cybersecurity Products at Anthropic โ€” opens the original posting in a new tab

    Agent systemsstaffSan Francisco, CA

    TypeScriptPythonGoClaude Managed Agents

  75. Baseten

    Software Engineer - Model Performance Systems at Baseten โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Francisco

    PyTorchNVIDIA Nsight SystemsInferenceMAXgenai-bench

  76. Anthropic

    Software Engineer, Labs at Anthropic โ€” opens the original posting in a new tab

    Agent systemsseniorSan Francisco, CA | New York City, NY | Seattle, WA

    ReactNode.jsPython

  77. Decagon

    Staff Software Engineer, Voice Agent at Decagon โ€” opens the original posting in a new tab

    Agent systemsstaffremoteSan Francisco

    speech recognitionspeech synthesisVADLLM

  78. Anthropic

    Software Engineer, Research Tools at Anthropic โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco, CA | New York City, NY; San Francisco, CA | New York City, NY | Seattle, WA

    ReactTypeScriptPython

  79. E2B

    Platform Engineer at E2B โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco

    FirecrackerKuberneteseBPF

  80. Together AI

    Senior Backend Engineer, Inference Platform at Together AI โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco

    SGLangvLLMNVIDIA DynamoKubernetesCUDA

  81. LangChain

    FullStack Engineer, AI Observability & Evals Platform (LangSmith) at LangChain โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco, CA

    LangSmithLangChainLangGraphGoPython

  82. Cline

    Senior Infrastructure Engineer at Cline โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco

    KubernetesHelmTerraformPulumiCloudFormation

  83. Braintrust

    Software Engineer, SDK at Braintrust โ€” opens the original posting in a new tab

    Eval / observabilitymidremoteRemote

    OpenAIAnthropicGeminiOpenTelemetry

  84. Imbue

    Product Engineer at Imbue โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco, CA

    ReactTypeScriptPython

  85. Baseten

    Software Engineer - GPU Kernels at Baseten โ€” opens the original posting in a new tab

    LLM inframidremoteSan Francisco

    CUDATritonCutlassFlash Attention

  86. Fireworks AI

    Member of Technical Staff, Cloud Infrastructure at Fireworks AI โ€” opens the original posting in a new tab

    LLM infraseniorremoteSan Mateo

    PyTorchTensorFlowKubernetesKubeflowMLFlow

  87. OpenAI

    Research Scientist / Research Engineer - Foundations, Search at OpenAI โ€” opens the original posting in a new tab

    RAG / retrievalseniorSan Francisco

    transformer-based LLMscontrastive learningmetric learning

  88. LlamaIndex

    Member of Technical Staff, Backend at LlamaIndex โ€” opens the original posting in a new tab

    RAG / retrievalseniorremoteSan Francisco

    LlamaIndexTemporalKubernetesTerraformPostgres

  89. OpenAI

    Software Engineer, Agent Infrastructure at OpenAI โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco

    FastAPIgRPCTerraformKataFirecracker

  90. Anthropic

    TPU Performance Engineer at Anthropic โ€” opens the original posting in a new tab

    LLM infraseniorSan Francisco, CA | New York City, NY | Seattle, WA

    TPUtransformers

  91. Inngest

    Distributed Systems Engineer - Platform at Inngest โ€” opens the original posting in a new tab

    OrchestrationseniorremoteUS/Remote

    GoPostgresRedisClickhouseKafka

  92. Replit

    Senior Software Engineer, Compute Platform at Replit โ€” opens the original posting in a new tab

    LLM infraseniorremoteFoster City, CA

    GolangRustGCPGKECloud Run

  93. LangChain

    Python OSS Engineer at LangChain โ€” opens the original posting in a new tab

    Agent systemsmidSan Francisco, CA

    LangChainLangGraph

  94. Arize AI

    Senior AI Product Engineer, Fullstack at Arize AI โ€” opens the original posting in a new tab

    Eval / observabilityseniorremoteRemote (United States)

    TypeScriptReactPythonGoGraphQL

  95. Arize AI

    Senior AI Product Engineer, Backend at Arize AI โ€” opens the original posting in a new tab

    Eval / observabilityseniorremoteRemote (United States)

    GoPythonJavaTypeScriptKafka

  96. Together AI

    Machine Learning Engineer - Inference at Together AI โ€” opens the original posting in a new tab

    LLM inframidSan Francisco

    PyTorchvLLMTensorRT-LLMTGITriton

  97. Anthropic

    Research Engineer, Knowledge Team at Anthropic โ€” opens the original posting in a new tab

    RAG / retrievalseniorremoteRemote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY

    PythonClaude

  98. Anthropic

    Performance Engineer at Anthropic โ€” opens the original posting in a new tab

    LLM inframidSan Francisco, CA | New York City, NY | Seattle, WA

    GPUtransformers

  99. Braintrust

    Software Engineer, Product at Braintrust โ€” opens the original posting in a new tab

    Eval / observabilitymidSan Francisco

    TypeScriptReactNextJS

Salary figures are shown exactly as the employer published them and are labelled by currency. They are never converted or ranked against one another โ€” we hold no exchange rates, so a cross-currency comparison would be fiction. Applications go to the employerโ€™s own system; we never handle them.

Field notes โ€” how this board is built: ingestion, classification, and what gets rejected.