Software Engineer Intern (AI Infrastructure / Training / Inference) SpreeAISoftware Engineer Intern (AI Infrastructure / Training / Inference)San Francisco, CaliforniaThis role exists because modern generative and vision models require infrastructure beyond traditional backend engineering — including GPU orchestration, large-scale inference systems, performance optimization, and developer platforms that allow applied scientists to move fast without sacrificing reliability or cost efficiency. Your design work will directly impact how thousands (eventually millions) of people experience shopping with SPREEAI – no bureaucratic layers, your ideas can go live and make a difference immediately.
Mobile Software Engineer - Flagship Apps (iOS / Android / Web) SpreeAIMobile Software Engineer - Flagship Apps (iOS / Android / Web)San Francisco, CaliforniaWe are building systems where: real-time camera input drives generative AI interactions, latency and performance constraints directly affect model usability, mobile clients must integrate tightly with evolving AI pipelines. This role focuses on developing high-performance mobile applications and SDKs enabling camera-based capture, garment scanning, and interactive AI-driven try-on experiences.
Software Engineer, Voice Agents & AI (Senior or Staff Level) DeepgramSoftware Engineer, Voice Agents & AI (Senior or Staff Level)San Francisco, CaliforniaDeepgram is the leading platform underpinning the emerging trillion-dollar Voice AI economy, providing real-time APIs for speech-to-text (STT), text-to-speech (TTS), and building production-grade voice agents at scale. We are seeking a Software Engineer to join our Enterprise AI team, a new, vertically focused business unit dedicated to solving the toughest problems in the space, working alongside Deepgram’s core research teams.
Software Engineer - Applied AI (Senior Or Staff Level) DeepgramSoftware Engineer - Applied AI (Senior Or Staff Level)San Francisco, CAThe Opportunity: We are seeking a Software Engineer to join our Enterprise AI Team- a new, vertically focused business unit dedicated to solving the toughest problems in the space, working alongside Deepgram's core research teams. Deepgram is the leading platform underpinning the emerging trillion-dollar Voice AI economy, providing real-time APIs for speech-to-text (STT), text-to-speech (TTS), and building production-grade voice agents at scale.
Principal Software Engineer FiveTranPrincipal Software EngineerOakland, CA$225,813–$282,266 / yearFivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities. Together, we're delivering the data infrastructure layer that helps organizations move, transform, and trust their data - from the moment data moves, through every transformation, to the context teams and AI systems rely on.
Software Engineer, Collections Infra NotionSoftware Engineer, Collections InfraSan Francisco, CAWhat You'll Achieve: By your 90th day, you'll understand how Collections Infra supports Notion's database block, ship improvements to database performance or reliability, and build context on the scale challenges behind larger enterprise workspaces and AI-driven write volume. Databases power views, boards, charts, forms, and the workflows customers use to run their companies; as Notion grows into larger enterprise deployments and AI-native work, those systems need to become faster, more reliable, and ready for much higher concurrency.
Software Engineer, Platform FactorySoftware Engineer, PlatformSan Francisco, CaliforniaDrive key areas, including search and indexing systems, core infrastructure, integrations, authentication services, billing and organization management, and internal developer experience. A strong technical background with a degree in Computer Science, Engineering, or a related field, coupled with 3+ years of experience in full stack engineering roles.
Software Engineer II - Data Platform Pantheon Systems, IncSoftware Engineer II - Data PlatformSan Francisco, CA$116,640–$162,000 / yearUnderstanding of Distributed Data Systems: Familiarity with the concepts and challenges of processing large-scale datasets across distributed systems and a clear grasp of trade-offs when designing solutions for high throughput and low latency. Strong Written and Verbal Communication Skills: The ability to clearly articulate technical designs, project status, and potential risks to both technical peers and non-technical stakeholders (Product, Sales, Finance, etc.).
Senior Software Engineer - Collaborative Web Platform Pantheon Systems, IncSenior Software Engineer - Collaborative Web PlatformSan Francisco, CA$139,680–$174,600 / yearPantheon is uniquely positioned — with deep roots in the web platform, a global CDN, and a sophisticated branching model trusted by thousands of organizations — to build the collaborative content experience the modern web deserves. Genuine full-stack capability — you have shipped production systems on both backend (APIs, cloud infrastructure, data services) and frontend (component systems, browser performance, interactive UIs).
Software Engineer, Frontier Data Products Recruiting From ScratchSoftware Engineer, Frontier Data ProductsSan Francisco, New YorkAs AI systems become increasingly dependent on expert judgment, the company is building the orchestration platform that coordinates complex, long-running workflows between humans and AI models. Their platform connects leading AI labs and enterprises with a worldwide network of expert talent to generate the high-quality data required to train and evaluate frontier AI models.
Software Engineer, Marketplace Recruiting From ScratchSoftware Engineer, MarketplaceSan Francisco, CaliforniaOur client is one of the fastest-growing AI infrastructure companies, building the marketplace that connects world-class experts with the leading AI labs and enterprises developing frontier AI systems. This is an exceptional opportunity for backend engineers who enjoy distributed systems, marketplace infrastructure, and large-scale platform engineering while working on products that directly power the AI economy.
Fullstack Software Engineer CollectiveFullstack Software EngineerSan Francisco, CaliforniaWe are backed by General Catalyst, Sound Ventures (Ashton Kutcher and Guy Oseary), QED Investors, Google’s Gradient Ventures, Expa, and other investors who have financed iconic companies like YouTube, Substack, Twitch, Box, Hims, Instacart, and Lyft. Our technology and team of trusted advisors help members achieve financial independence by taking care of everything from business incorporation to accounting, bookkeeping, tax services, and access to a thriving community, all in one integrated platform.
Software Engineer, Productivity OpenAISoftware Engineer, ProductivitySan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
Software Engineer, Ads Conversion Measurement OpenAISoftware Engineer, Ads Conversion MeasurementSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Have 10+ years experience building and operating large-scale distributed data or backend systems, ideally in ads measurement, attribution, analytics, marketplaces, experimentation, or adjacent domains.
Staff Software Engineer, Platform Peregrine TechnologiesStaff Software Engineer, PlatformSan Francisco, CA$240,000–$300,000 / yearRepresentative problems you'll work on include: making it possible to stand up new regions and customer environments with minimal manual work as Peregrine's footprint grows; building autoscaling and right-sizing systems that cut cloud spend without sacrificing headroom; strengthening reliability and incident response for mission-critical services so outages are rare and fast to resolve; hardening network and platform security controls to meet the compliance bar our public-sector customers require; building paved-road tooling that lets product teams deploy, observe, and debug their services without needing deep infra expertise; and, as our traffic and capacity needs grow, partnering with our traffic engineering team to help shape technical direction for routing and load balancing at scale. Backed by leading Silicon Valley investors, Peregrine helps public safety organizations, state and local and governments, federal agencies, and private-sector institutions address society’s challenges with unprecedented speed and accuracy.
Senior Software Engineer GemSenior Software EngineerSan Francisco, CaliforniaFounded when trees were plentiful and computers were just fancy calculators, we've survived the digital revolution through sheer force of will and questionable management decisions. While tech giants push digital transformation, we're doubling down on the radical idea that people still need something to doodle on during meetings.
Software Engineer, Voice Agents & AI (Senior Or Staff Level) DeepgramSoftware Engineer, Voice Agents & AI (Senior Or Staff Level)San Francisco, CAThe Opportunity: We are seeking a Software Engineer to join our Enterprise AI team, a new, vertically focused business unit dedicated to solving the toughest problems in the space, working alongside Deepgram's core research teams. Deepgram is the leading platform underpinning the emerging trillion-dollar Voice AI economy, providing real-time APIs for speech-to-text (STT), text-to-speech (TTS), and building production-grade voice agents at scale.
Senior Software Engineer OneSchemaSenior Software EngineerSan Francisco, CaliforniaYou will go 0 to 1 on our newest AI agent, partnering directly with the Product and GTM team to unlock new automation opportunities in our large enterprise customers. We see an incredible opportunity to be the AI document automation platform to eliminate the manual data entry work that persists across thousands of large enterprises today.
NewSenior Software Engineer, Platform QventusSenior Software Engineer, PlatformSan Francisco, CA$180,000–$200,000 / yearOur innovative solutions harness the power of machine learning, generative AI, and behavioral science to deliver exceptional outcomes and empower care teams to anticipate and resolve issues before they arise. Built or rolled out agent-based dev tooling: MCP servers, coding agents, matrixed evals, spec-driven workflows, shared knowledge bases.
NewFull-Stack Software Engineer, Reinforcement Learning HUDFull-Stack Software Engineer, Reinforcement LearningSan Francisco, CaliforniaYou’ll own product surfaces end-to-end, including backend services, APIs, databases, dashboards, tools, vendor workflows, data collection, and observability for RL rollouts. You don’t need to be a researcher, but you need to work research engineers and vendors to translate ambiguous needs into polished products that enable our RL systems.