All Backend Engineer jobs
Backend Engineer · San Francisco

Backend Engineer Jobs in San Francisco

There are currently 58 open Backend Engineer jobs in San Francisco & Bay Area across 44 AI startups. 41% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.

58Open roles
44Companies hiring
Jul 31, 2026Last updated
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Funding-stage mix

Series A 13 (22%)Series B 11 (19%)Series C 7 (12%)Series D 6 (10%)Growth 6 (10%)Seed 5 (9%)Series G+ 4 (7%)Series F 2 (3%)Series H 2 (3%)Venture Round 1 (2%)Unknown 1 (2%)
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Open Backend Engineer Roles in San Francisco

RoleCompanyStageLocationPosted
Senior Backend Engineer, ProductOrion SleepSeedSan FranciscoJul 31, 2026
Senior Backend Software EngineerChaos IndustriesSeries DSan Francisco, California, United StatesJul 29, 2026
Staff Backend Engineer, Internal ProductsTwelveLabsSeries BSan FranciscoJul 28, 2026
Senior Backend Engineer, Cloud PlatformPostmanSeries DSan Francisco, California, United StatesJul 27, 2026
Staff Backend Software Engineer- (AI Platform)DatabricksSeries G+San Francisco, CaliforniaJul 24, 2026
Senior Backend Engineer - ProductMercurySeries DSan Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United StatesJul 24, 2026
Member of Technical Staff - Model Serving / API Backend EngineerBlack Forest LabsSeries BSan Francisco (USA)Jul 23, 2026
Backend Software EngineerChaos IndustriesSeries DSan Francisco, California, United StatesJul 17, 2026
Backend Software Engineer, API Enterprise ControlsOpenAIGrowthSan FranciscoJul 17, 2026
Staff Backend EngineerAtomsVenture RoundSan Francisco, CAJul 16, 2026
Backend EngineerLMArenaSeries ABay AreaJul 16, 2026
Staff Backend EngineerCommureSeries FMountain View, CAJul 10, 2026
Senior Backend Engineer, Inference PlatformTogether AISeries CSan FranciscoJul 10, 2026
Senior Backend EngineerScribeSeries CSan FranciscoJul 2, 2026
Senior Backend Engineer, Agentic AIAirwallexSeries HUS - San FranciscoJun 17, 2026
Senior Backend Engineer, Ambient AICommureSeries FMountain View, CAJun 16, 2026
Senior Server Engineer, Identity PlatformStravaSeries G+Strava SFJun 5, 2026
Senior Server Engineer II, Identity PlatformStravaSeries G+Strava SFJun 5, 2026
Backend EngineerSamaya AISeries AMountain View, California, United StatesJun 4, 2026
Backend EngineerBespoke LabsSeries AMountain ViewMay 27, 2026
Member of Technical Staff - Backend Software EngineerEndor LabsSeries BPalo Alto, CAMay 26, 2026
Senior Backend EngineerHedraSeries ASan FranciscoMay 21, 2026
Backend EngineerParaformSeries BSan FranciscoMay 15, 2026
Backend Software Engineer, Applied FoundationsOpenAIGrowthSan FranciscoMay 7, 2026
Backend EngineerNew GenerationSeedSan FranciscoApr 29, 2026
Staff Backend EngineerTownSeries ASan FranciscoApr 23, 2026
MTS - Backend Engineer (Principal/Staff)Endor LabsSeries BPalo Alto, CAApr 21, 2026
Senior Server Engineer II, SubscriptionsStravaSeries G+Strava SFApr 15, 2026
Backend EngineerBuildForeverSeedSan Francisco, CAApr 10, 2026
Senior/Staff Backend EngineerLighthouse-New York / San Francisco (Onsite)Apr 9, 2026
Senior Back End EngineerYou.comSeries CSan Francisco (Remote)Apr 2, 2026
Senior Backend EngineerFlexSeedSan Jose, CAMar 24, 2026
Senior Backend Software EngineerSentraSeries BSan FranciscoMar 2, 2026
Senior Backend Engineer, LangSmith DeploymentsLangChainSeries BSan Francisco, CAFeb 25, 2026
Team Lead Backend Engineer (Core Applications)HockeyStackGrowthSan FranciscoFeb 24, 2026
Backend Engineer, Data CentersMeterSeries CSan FranciscoFeb 22, 2026
Staff Backend Engineer, Agentic AIAirwallexSeries HUS - San FranciscoFeb 19, 2026
Senior Backend Engineer (Infrastructure)SphereSeries ASan Francisco HQFeb 19, 2026
Backend Engineer - InfrastructureHeyGenSeries ALos Angeles, San Francisco, Palo Alto, TorontoFeb 11, 2026
Senior Backend Software Engineer, Cloud & InfrastructureTaaraSeedSunnyvale, CAFeb 5, 2026
Backend Software Engineer, GTM InnovationOpenAIGrowthSan FranciscoFeb 4, 2026
Senior Backend Software EngineerSemgrepSeries DSan Francisco OfficeFeb 2, 2026
Staff Backend Software EngineerSemgrepSeries DSan Francisco OfficeFeb 2, 2026
Staff Backend Engineer, CoreScribeSeries CSan FranciscoJan 21, 2026
Backend Engineer, Consumer DevicesOpenAIGrowthSan FranciscoJan 20, 2026
Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)LangChainSeries BSan Francisco, CAJan 8, 2026
Staff Backend Software EngineerSpanSeries CSan FranciscoJan 2, 2026
Backend Software Engineer (Evals)OpenAIGrowthSan FranciscoDec 23, 2025
Backend Engineer - AIAnythingSeries ASan FranciscoDec 15, 2025
Backend Software EngineerMaticSeries CMenlo Park, CADec 12, 2025
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FAQ

How many Backend Engineer jobs are open in San Francisco?

There are currently 58 open Backend Engineer jobs in San Francisco across 44 AI startups on Fast AI Jobs.

What funding stages are hiring Backend Engineers in San Francisco?

41% of open Backend Engineer roles in San Francisco are at Series A–B startups, with the rest spread across seed and later-stage companies.

How often is this list updated?

Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.