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.
broccoli.com · HQ: San Francisco, United States · Contact Center Software · Conversational AI · AI Agents · 501-1000 employees · Est. 1995 · Trust B · Hiring 30, 1 new
HQ: San Francisco, United States · Contact Center Software · Conversational AI · AI Agents · 501-1000 employees · Est. 1995 · Trust B · Hiring 30, 1 new
Broccoli AI is a software company that builds AI voice agents for home services businesses such as HVAC, plumbing, electrical and roofing contractors. Its agents answer inbound phone calls around the clock, qualify customers, book jobs into scheduling systems and handle routine customer service, replacing or supplementing call centres and front-desk staff. The company has teams in Lehi, Utah, and Bengaluru, India, and is headquartered in San Francisco, California, United States.
terac.com · HQ: San Francisco, United States · AI Training Data & Annotation · Market Research · 51-200 employees · Est. 2025 · Startup · Trust B · Hiring 40, 2 new
HQ: San Francisco, United States · AI Training Data & Annotation · Market Research · 51-200 employees · Est. 2025 · Startup · Trust B · Hiring 40, 2 new
Terac is an AI-powered market research and human data platform headquartered in the United States. Founded by Zachary Baker and Jack Blair, the enterprise operates an infrastructure layer connecting AI agents with verified human domain experts and research participants. Operating on a B2B SaaS and usage-based API business model, Terac automates qualitative research by using conversational voice and text AI agents to recruit participants, moderate interviews, collect feedback, and synthesize structured data insights in real time for product, marketing, and frontier AI research teams.
anything.agency · San Francisco · CMS & Digital Experience Platforms · Web Development Services · 11-50 employees · Trust B · Hiring 4
San Francisco · CMS & Digital Experience Platforms · Web Development Services · 11-50 employees · Trust B · Hiring 4
Enterprise Headless CMS agency specialising in Storyblok. We design and deliver enterprise websites, multi-brand platforms and legacy CMS migrations built for search and AI.
factory.ai · HQ: San Francisco, United States · Developer Tools · AI Agents · Code Intelligence · 1001-5000 employees · Est. 2023 · Trust A · Hiring 62, 4 new
HQ: San Francisco, United States · Developer Tools · AI Agents · Code Intelligence · 1001-5000 employees · Est. 2023 · Trust A · Hiring 62, 4 new
Factory is an artificial intelligence company that builds autonomous coding agents, called Droids, which take on software engineering tasks such as writing features, reviewing code, migrating codebases and handling incidents across the development lifecycle. It sells the platform to enterprise engineering teams and hires engineers, product managers and go-to-market staff in San Francisco, New York and London. The company is headquartered in San Francisco, California, United States.
midstream.health · HQ: San Francisco, United States · Financial AI · Hospital Operations Software · 51-200 employees · Est. 2023 · Startup · Hiring 8
HQ: San Francisco, United States · Financial AI · Hospital Operations Software · 51-200 employees · Est. 2023 · Startup · Hiring 8
Midstream Health builds an AI-native financial operating system for health systems that gives finance, supply chain and managed care teams real-time visibility into margin at risk. The platform turns structured, unstructured and external data into contract-aware insights and action plans, and the company was founded in 2023. The company is headquartered in San Francisco, California, United States.
legionhealth.com · HQ: Austin, United States · Medical AI · Telemedicine & Virtual Care · Psychiatric Care · Est. 2021 · Startup · Trust B · Hiring 155
HQ: Austin, United States · Medical AI · Telemedicine & Virtual Care · Psychiatric Care · Est. 2021 · Startup · Trust B · Hiring 155
Legion Health is an AI-native telepsychiatry and virtual mental healthcare enterprise providing insurance-covered psychiatric care. The platform integrates artificial intelligence automation - including workflow scheduling, clinical documentation, and decision support tools - to connect board-certified psychiatric providers with patients and partner healthcare organizations. Headquartered in Austin, Texas, it operates a technology-driven virtual clinic focused on expanding access to scalable, affordable behavioral health treatments.
vizcom.com · HQ: San Francisco, United States · Industrial Design · Generative Image · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 8
HQ: San Francisco, United States · Industrial Design · Generative Image · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 8
Vizcom turns rough sketches into rendered product concepts using generative models trained for industrial design. Founded in 2021 in San Francisco, it lets designers keep control of form while the model handles material and lighting. Automotive and consumer product studios use it during early ideation.
apiphany.ai · HQ: San Francisco, United States · Simulation & Digital Twin Software · Manufacturing & Industrial Software · 11-50 employees · Est. 2024 · Startup · Trust B · Hiring 7
HQ: San Francisco, United States · Simulation & Digital Twin Software · Manufacturing & Industrial Software · 11-50 employees · Est. 2024 · Startup · Trust B · Hiring 7
The #1 physics-first AI platform for manufacturing and product engineering. Extract insights from unstructured engineering data across PLM, ERP, FMEA, and CAD. 5-15x more relevant than general-purpose LLMs.
neonredwood.com · HQ: San Francisco, United States · Data Engineering & Migration Services · Custom Software Development · 11-50 employees · Trust B · Hiring 6
HQ: San Francisco, United States · Data Engineering & Migration Services · Custom Software Development · 11-50 employees · Trust B · Hiring 6
Neon Redwood is a data services consulting and software company that builds foundational systems for artificial intelligence, venture capital, healthcare and infrastructure. Its vacancies are data engineers, platform backend engineers, application engineers and a venture services coordinator. The company is headquartered in San Francisco, California, United States.
frec.com · HQ: San Francisco, United States · Online Brokerage & Trading Platforms · Investing Apps & Robo-Advisors · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 4, 1 new
HQ: San Francisco, United States · Online Brokerage & Trading Platforms · Investing Apps & Robo-Advisors · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 4, 1 new
Frec brings direct indexing to retail investors, buying the underlying shares of an index so losses on individual positions can be harvested for tax. It also offers portfolio-backed lines of credit at rates tied to short-term benchmarks. The service targets people who would otherwise hold index funds in a taxable account.
tensorlake.ai · HQ: San Francisco, United States · AI Agents · AI Development Tools · 1-10 employees · Est. 2023 · Startup · Trust B · Hiring 3
HQ: San Francisco, United States · AI Agents · AI Development Tools · 1-10 employees · Est. 2023 · Startup · Trust B · Hiring 3
Sandboxes for AI agents. Securely run untrusted, LLM-generated code in isolated Firecracker microVM sandboxes that scale from one to thousands — with snapshot, suspend/resume, and durable orchestration.
flowtel.ai · HQ: San Francisco, United States · Startup · Hiring 1
HQ: San Francisco, United States · Startup · Hiring 1
Flowtel answers every guest call and runs your properties on one live surface: Lila the AI voice agent, Hotel OS, Management Company OS, and custom AI in production in 30 days with forward-deployed engineers.
flux.ai · HQ: San Francisco, United States · EDA Software · 51-200 employees · Est. 2019 · Startup · Trust A · Hiring 7
HQ: San Francisco, United States · EDA Software · 51-200 employees · Est. 2019 · Startup · Trust A · Hiring 7
Headquartered in San Francisco, California, Flux is a cloud-native electronic design automation (EDA) platform specializing in AI-assisted printed circuit board (PCB) design. Operating directly in the browser, the platform features real-time multiplayer collaboration alongside an AI copilot that assists hardware engineers with component sourcing, schematic capture, automated routing, and continuous design rule checks.
inkeep.com · HQ: San Francisco, United States · AI Agents · Customer Support & Help Desk Software · 201-500 employees · Est. 2022 · Startup · Trust B · Hiring 3
HQ: San Francisco, United States · AI Agents · Customer Support & Help Desk Software · 201-500 employees · Est. 2022 · Startup · Trust B · Hiring 3
Inkeep builds AI agents for customer support and operations that answer from a company's own documentation and product data. Engineering and support teams configure the agents together, with visibility into what each answer was based on. It is widely used by developer tool companies for docs search and ticket deflection.
espa.ai · HQ: San Francisco, United States · AI Agents · Office & Productivity Software · Likely startup · Hiring 2
HQ: San Francisco, United States · AI Agents · Office & Productivity Software · Likely startup · Hiring 2
Espa Labs is an early-stage AI startup building an AI-native productivity assistant that handles email, calendars, contacts and tasks. It is backed by venture capital firms including Village Global, Neo and SV Angel, and hires a founding software engineer and engineering interns. The company is headquartered in San Francisco, California, United States.
magicpatterns.com · HQ: San Francisco, United States · AI Agents · Design & Prototyping Tools · 51-200 employees · Est. 2023 · Startup · Trust B · Hiring 7
HQ: San Francisco, United States · AI Agents · Design & Prototyping Tools · 51-200 employees · Est. 2023 · Startup · Trust B · Hiring 7
AI design tool to turn prompts into production-ready UI. Use your design system, generate prototypes fast, and collaborate.
airapps.co · HQ: San Francisco, United States · Consumer & Utility Software · Office & Productivity Software · 1001-5000 employees · Est. 2017 · Trust A · Hiring 424
HQ: San Francisco, United States · Consumer & Utility Software · Office & Productivity Software · 1001-5000 employees · Est. 2017 · Trust A · Hiring 424
Founded in 2017, Air Apps is a prominent mobile software developer specializing in AI-driven utility, productivity, and personal management applications. Headquartered in San Francisco, California, United States, the enterprise operates a remote-first global team that designs and manages a broad portfolio of digital tools. Through its bundled subscription model and suite of user-friendly mobile solutions, it provides millions of consumers worldwide with streamlined options for daily organization, translation, and task automation.
