Backend Jobs

Series D$2.3B · 29 Dec, 57836 Series C$900M · 5 Dec, 57398 Series B$105M · 19 Nov, 57012 Series B$100M · 22 Mar, 56936 Seed$8M · 26 Mar, 55745 Series A$60M

Cursor is an AI coding-agent product operated by Anysphere, Inc.; it was acquired by SpaceX in August 2026 and continues to operate.

Funding

Investors

Nvidia Thrive Capital Coatue Google Benchmark Accel OpenAI Startup Fund Andreessen Horowitz DST Arash Ferdowsi Nat Friedman

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Ai Backend Frontend Infrastructure Javascript Monitoring Prompt Python Reliability Typescript Workflow

Staff Software Engineer, Agent Platform

Decagon·1 month ago

1 month agoLeadSalary: 200K - 400KSan Francisco, USA Hybrid Full Time Ai Jobs by Decagon

Hybrid · San Francisco · Required

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Employee tender25 Nov, 58140 Series D$250M · 3 May, 58042 Series C$131M · 26 Sep, 57442 Series B$65M · 5 Apr, 56758 Seed$5M · 12 Jun, 56432 Series A$30M · 12 Jun, 56432

Decagon is a conversational AI platform for enterprises to build, operate, and optimize customer-facing AI agents across voice, chat, email, SMS, and other channels.

Funding

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Backend Control Plane Distributed System Evaluation Experimentation Latency Observability Orchestration Reliability Simulation Testing Voice

Software Engineer Backend Applied ML Safety and Integrity

Character.AI·1 month ago

1 month agoLeadSalary: 150K - 300KRedwood City, CA Hybrid Full Time Ai Jobs by Character.AI

Hybrid · Redwood City · Required

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Series A5 Mar, 55192 Google non-exclusive technology license transaction Seed

Character.AI is an interactive AI-entertainment platform for creating and conversing with Characters.

Funding

Investors

Elad Gil A Capital SV Angel Google Andreessen Horowitz Nat Friedman

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A/B Testing Anomaly Detection Backend Behavior Analysis C#Content Classification Data Engineering Distributed Systems Generative Ai Go Java Machine Learning Model Deployment Model Monitoring Python Risk Scoring Trust & Safety

Forward Deployed Engineer

Anysphere, Inc. (doing business as Cursor)·1 month ago

1 month agoLead Forward Deployed Engineer Jobs by Anysphere, Inc. (doing business as Cursor)

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Series D$2.3B · 29 Dec, 57836 Series C$900M · 5 Dec, 57398 Series B$105M · 19 Nov, 57012 Series B$100M · 22 Mar, 56936 Seed$8M · 26 Mar, 55745 Series A$60M

Cursor is an AI coding-agent product operated by Anysphere, Inc.; it was acquired by SpaceX in August 2026 and continues to operate.

Funding

Investors

Nvidia Thrive Capital Coatue Google Benchmark Accel OpenAI Startup Fund Andreessen Horowitz DST Arash Ferdowsi Nat Friedman

View all 18 skills

Ai Alert Backend Customer Discovery Debugging Evaluation Frontend Incident Response Infrastructure Javascript Metric Production Reliability Prompt Python Software Development Tracing Typescript Workflow

Onsite · San Francisco · Required

Junior Software Engineer

Abridge·1 month ago

1 month agoJuniorSalary: 167K - 184KSF Office Onsite Full Time Engineering Jobs by Abridge

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Series ERecently funded

Abridge is an enterprise AI platform that turns clinician-patient conversations into clinical documentation, insights, and workflow outputs for healthcare systems.

Funding

Strategic / corporate minority investment (unverified)15 Dec, 58411 Series E$300M · 22 Jun, 57445 Series D$250M · 1 Jul, 57100 Series C$150M · 7 Nov, 56114 Series B$30M · 20 Apr, 55786 Series A-1$13M · 19 Nov, 54578 Seed and Series A (combined disclosure)$15M · 15 Jul, 52733

Investors

Union Square Ventures CapitalG Lightspeed Venture Partners Elad Gil IVP Khosla Ventures Bessemer Venture Partners Andreessen Horowitz SV Angel Spark Capital California Health Care Foundation Redpoint Ventures CVS Health Ventures Wittington Ventures UPMC

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Agent Ai Backend Clinical Workflow Frontend Generative Ai Langchain Llamaindex Llm Model Evaluation Observability Prompting Rag Retrieval

Software Engineer Full Stack

Arena·1 month ago

1 month agoSenior Bay Area Hybrid Full Time Fullstack Jobs by Arena

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Series A$150M · 3 Nov, 57984 Seed$100M · 14 Feb, 57355

Arena is a community-powered AI evaluation platform where people compare frontier-model outputs and vote, generating human-preference data and public leaderboards.

Funding

Investors

Andreessen Horowitz (a16z)Felicis Ventures The House Fund Kleiner Perkins Laude Ventures Lightspeed Venture Partners UC Investments (University of California)Andreessen Horowitz Felicis Ventures The House Fund Kleiner Perkins Laude Ventures LDVP Lightspeed Venture Partners UC Investments (University of California)

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Api Backend Database Frontend Honojs Next.Js Postgres Product Development React Supabase Tailwind Typescript Vercel Ai Sdk Vitest Web Application

Senior Software Engineer Agent Platform

Decagon·1 month ago

1 month agoSeniorSalary: 200K - 400KSan Francisco, USA Onsite Full Time Backend Jobs by Decagon

Onsite · San Francisco · Required

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Employee tender25 Nov, 58140 Series D$250M · 3 May, 58042 Series C$131M · 26 Sep, 57442 Series B$65M · 5 Apr, 56758 Seed$5M · 12 Jun, 56432 Series A$30M · 12 Jun, 56432

Decagon is a conversational AI platform for enterprises to build, operate, and optimize customer-facing AI agents across voice, chat, email, SMS, and other channels.

Funding

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A/B Testing Agent Orchestration Backend Control Plane Distributed System Evaluation Latency Model Orchestration Observability Planning Reliability Routing Runtime Simulation Testing Tool Invocation Transcription Voice

Product Solutions Engineer

Arena·1 month ago

1 month agoSeniorSalary: 150K - 250KBay Area Hybrid Full Time Forward Deployed Engineer Jobs by Arena

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Series A$150M · 3 Nov, 57984 Seed$100M · 14 Feb, 57355

Arena is a community-powered AI evaluation platform where people compare frontier-model outputs and vote, generating human-preference data and public leaderboards.

Funding

Investors

View all 10 skills

Algorithm Api Backend Ci/Cd Cloud Infrastructure Data Structure Frontend Llm System Design Typescript

Applied AI Engineer

Arena·1 month ago

1 month agoSeniorSalary: 150K - 250KBay Area Hybrid Full Time Forward Deployed Engineer Jobs by Arena

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