Backend Developer jobs in San Francisco hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $272,233/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
klavis.ai · AI Training Data & Annotation · AI Development Tools · AI Agents · 11-50 employees · Startup · Hiring 1
AI Training Data & Annotation · AI Development Tools · AI Agents · 11-50 employees · Startup · Hiring 1
Klavis AI provides live environments for training AI agents. Powering frontier AI labs with real world MCP environments and complex, long-horizon agentic tool-use data.
almond.bot · HQ: San Francisco, United States · Industrial Robotics · Startup · Hiring 4
HQ: San Francisco, United States · Industrial Robotics · Startup · Hiring 4
Almond is a robotics company building a dual-arm robot called Axol for builders working on physical AI, designed for real work and ready out of the box. It also develops data collection systems and hires founding mechanical, software and robotics software engineers and production technicians. The company is headquartered in San Francisco, United States.
finta.com · HQ: San Francisco, United States · Financial AI · Accounting & Tax Software · 51-200 employees · Est. 2023 · Startup · Hiring 6
HQ: San Francisco, United States · Financial AI · Accounting & Tax Software · 51-200 employees · Est. 2023 · Startup · Hiring 6
Finta builds an AI-native finance platform for startups that replaces the bookkeeper with automated bookkeeping, tax filing and real-time financial insights. Launched in 2023, it raised $2 million from Y Combinator and leaders at Mercury, Brex and Ramp, and its software categorises most transactions automatically. The company is headquartered in San Francisco, California.
amboras.com · HQ: San Francisco, United States · E-commerce Platforms · 51-200 employees · Startup · Hiring 7
HQ: San Francisco, United States · E-commerce Platforms · 51-200 employees · Startup · Hiring 7
AI builds your storefront, runs your promotions, and optimizes for sales on its own. No plugins, no agencies, no setup. Start selling in under two minutes.
mochacare.com · HQ: San Francisco, United States · Home Care Services · 11-50 employees · Startup · Hiring 1
HQ: San Francisco, United States · Home Care Services · 11-50 employees · Startup · Hiring 1
MochaCare provides AI tools and hands-on help for home care agencies to reduce busywork. Its core systems cover hiring, scheduling and intake, and the product is already used by multiple agencies. The company is headquartered in San Francisco, United States.
bookoapp.com · HQ: Menlo Park, United States · AI Agents · Scheduling & Booking Software · 51-200 employees · Startup · Hiring 4
HQ: Menlo Park, United States · AI Agents · Scheduling & Booking Software · 51-200 employees · Startup · Hiring 4
Booko fills the slots that would go unsold. It integrates with Mindbody and existing booking systems to predict at-risk class and appointment slots and fill them with targeted incentives, lifting revenue per class.
replicas.dev · HQ: San Francisco, United States · AI Development Tools · 11-50 employees · Startup · Hiring 1
HQ: San Francisco, United States · AI Development Tools · 11-50 employees · Startup · Hiring 1
Run coding agents in cloud workspaces with your repos, tools, and dependencies. Delegate from Slack, Linear, or GitHub. Review code changes and test results.
trycardinal.com · HQ: San Francisco, United States · Marketing & Sales AI · Sales Enablement · 1-10 employees · Startup · Hiring 4
HQ: San Francisco, United States · Marketing & Sales AI · Sales Enablement · 1-10 employees · Startup · Hiring 4
Cardinal is a startup building an AI revenue platform for high-growth companies that helps them design how they sell. It hires founding engineers across product, customer and design engineering, preferably with experience in outbound sales tools and revenue technology. The company is headquartered in San Francisco, California, United States.
askclara.com · HQ: San Francisco, United States · AI Agents · Primary Care & Medical Centers · 11-50 employees · Startup · Hiring 2
HQ: San Francisco, United States · AI Agents · Primary Care & Medical Centers · 11-50 employees · Startup · Hiring 2
Clara is an AI-supported primary care service that offers patients day-to-day care through chat and subscription. It hires founding full-stack growth engineers and AI engineers focused on healthcare, working on onboarding, experimentation and retention. The company is headquartered in San Francisco, California, United States.
aircaps.com · HQ: San Francisco, United States · Virtual & Augmented Reality · Hearing Care & Audiology · 11-50 employees · Startup · Hiring 1
HQ: San Francisco, United States · Virtual & Augmented Reality · Hearing Care & Audiology · 11-50 employees · Startup · Hiring 1
AirCaps smart glasses show real-time captions and translate 60+ languages instantly. Designed for hearing loss, travel, and professionals. 97% accuracy, 49g lightweight. $599.
usepanels.com · HQ: San Francisco, United States · AI Training Data & Annotation · Speech & Audio AI · 11-50 employees · Startup · Hiring 1
HQ: San Francisco, United States · AI Training Data & Annotation · Speech & Audio AI · 11-50 employees · Startup · Hiring 1
Panels provides high-quality audio datasets for training and evaluating speech and audio models. We work with frontier labs and early stage startups building at the edge of Voice AI.
effigov.com · HQ: San Francisco, United States · Machine Learning · Digital Government · 11-50 employees · Est. 2024 · Hiring 1
HQ: San Francisco, United States · Machine Learning · Digital Government · 11-50 employees · Est. 2024 · Hiring 1
EffiGov provides AI-powered voice assistants for local government. Automate 311 calls, handle constituent inquiries 24/7, file service requests, and route calls intelligently in 30+ languages.
useprox.com · HQ: San Francisco, United States · Conversational AI · Customer Support & Help Desk Software · AI Agents · 51-200 employees · Startup · Hiring 5
HQ: San Francisco, United States · Conversational AI · Customer Support & Help Desk Software · AI Agents · 51-200 employees · Startup · Hiring 5
Prox is a startup that turns product knowledge into AI agents, including voice agents, that help customers and teams get answers quickly. Its engineering work covers voice AI infrastructure, telephony systems and cloud scaling, and it hires founding engineers, go-to-market engineers and forward-deployed engineers. The company is headquartered in San Francisco, California, United States.
