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Series B · Software Engineer

Series B AI Startup Software Engineer Jobs

There are currently 581 open Software Engineer jobs across 188 Series B AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.

581Open roles
188Companies hiring
Nov 1, 2026Last updated
01

Open Software Engineer Roles at Series B AI Startups

RoleCompanyStageLocationPosted
Software EngineerVegaSeries BOn -Site, IsraelNov 1, 2026
Senior Scientific Software Engineer — AutoresearchQuEra ComputingSeries BMultiple locationsNov 1, 2026
Senior Software Engineer, BackendBlueskySeries BUnited States - RemoteOct 30, 2026
Senior Software Engineer (Hybrid / Montreal)MotionSeries BCanada - RemoteOct 30, 2026
Senior / Staff Software EngineerMotionSeries BPortugal - RemoteOct 30, 2026
IOS engineerHiggsfieldSeries BAlmaty, KazakhstanOct 30, 2026
Android engineerHiggsfieldSeries BAlmaty, KazakhstanOct 30, 2026
Software Engineer - DatabaseMotherDuckSeries BBerlinOct 30, 2026
Software Engineer - DatabaseMotherDuckSeries BNew York CityOct 30, 2026
Software EngineerGeneral MatterSeries BLos Angeles, CAOct 30, 2026
Senior/Staff Software Engineer, Customer Integrations — PCB/CADQuilterSeries BLos AngelesOct 30, 2026
Senior Software Engineer (Remote LATAM)Savvy WealthSeries BMultiple locationsOct 30, 2026
Senior Developer Experience EngineerSavvy WealthSeries BNYC OfficeOct 30, 2026
Senior Software EngineerVannevar LabsSeries BRemoteOct 30, 2026
Systems/Rack ArchitectNormalSeries BMultiple locationsOct 29, 2026
Software Engineer, Platform (Early Career)Northwood SpaceSeries BTorrance, CAOct 29, 2026
Software Engineer, PlatformNorthwood SpaceSeries BMultiple locationsOct 29, 2026
Staff Software EngineerPermitFlowSeries BNew York City, NYOct 29, 2026
Principal Software Engineer, PlatformPermitFlowSeries BNew York City, NYOct 29, 2026
Software Engineer, Test Infrastructure (AI DevEx)SiftStackSeries BMultiple locationsOct 29, 2026
Senior Software Engineer - GrowthSprinter HealthSeries BUS RemoteOct 29, 2026
Software Engineer Intern, InfrastructureTalosSeries BLondonOct 29, 2026
Software Engineer Intern, TradingTalosSeries BLondonOct 29, 2026
Software Engineer Intern, DealerTalosSeries BNew YorkOct 29, 2026
Software Engineer Intern, RFQTalosSeries BNew YorkOct 29, 2026
Software Engineer - KernelsMatXSeries BMountain View (HQ) or RemoteOct 28, 2026
Senior Software Engineer (DevOps / Platform Engineering)LiberateSeries BMultiple locationsOct 28, 2026
Software Engineer, Machine Learning PlatformProfluentSeries BMultiple locationsOct 28, 2026
Senior Mobile DeveloperNumanSeries BRomaniaOct 28, 2026
Senior Mobile DeveloperNumanSeries BLithuaniaOct 28, 2026
Software Engineer - C2 Interfaces & IntegrationsOverland AISeries BSeattle, WAOct 27, 2026
Software Engineer, Workforce OperationsAssembledSeries BUnited StatesOct 27, 2026
Senior/Staff Software Engineer (Search & Retrieval)Actively AISeries BMultiple locationsOct 27, 2026
Senior/Staff Software Engineer (Search & Retrieval)Actively AISeries BNew York, New York, United StatesOct 27, 2026
Lead Svelte Software EngineerArraySeries BMultiple locationsOct 27, 2026
Building Compliance Architect/EngineerGreenLiteSeries BNew York CityOct 27, 2026
Software Engineer, AI Agent GovernanceLumosSeries BUnited StatesOct 27, 2026
Software Engineer, NHI PlatformLumosSeries BUnited StatesOct 27, 2026
Software Engineer, Sales SystemsNeticSeries BSan FranciscoOct 27, 2026
R&D - Software EngineerQuantWareSeries BDelftOct 27, 2026
Software Engineer, FrontendSiftStackSeries BMarina Del Rey, CAOct 27, 2026
Senior Software Engineer, FrontendSiftStackSeries BMarina Del Rey, CAOct 27, 2026
Software Engineer, FrontendSiftStackSeries BSan Francisco, CAOct 27, 2026
Senior Software Engineer, FrontendSiftStackSeries BSan Francisco, CAOct 27, 2026
Software Engineer, Frontend (Agentic AI)SiftStackSeries BSan Francisco, CAOct 27, 2026
Software Engineer, Frontend (Agentic AI)SiftStackSeries BMarina Del Rey, CAOct 27, 2026
Senior Software Engineer, Frontend (Agentic AI)SiftStackSeries BMarina Del Rey, CAOct 27, 2026
Senior Software Engineer, Frontend (Agentic AI)SiftStackSeries BSan Francisco, CAOct 27, 2026
Senior Security Software EngineerValar AtomicsSeries BMultiple locationsOct 27, 2026
Senior Software EngineerValar AtomicsSeries BMultiple locationsOct 27, 2026
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FAQ

How many Software Engineer jobs are open at Series B AI startups?

There are currently 581 open Software Engineer jobs across 188 Series B AI startups on Fast AI Jobs.

Why filter Software Engineer jobs by funding stage?

Funding stage signals company size, runway, and equity upside. Filtering to Series B startups narrows the list to Software Engineer roles at companies at a comparable point in their growth.

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.