Join a startup on the way up — not a bet, not a giant.

Exa is building a search engine for the AI era. We're hiring a Head of Revenue Systems & Technology to architect and build the revenue technology stack from scratch, including CRM, marketing ops, sales engagement, forecasting, and AI agents, working with GTM teams to scale from early scaling through IPO.

Exa is building a next-generation search engine. This Software Engineer role on the Knowledge Systems team will build systems to extract, connect, and reason over web knowledge, working on distributed backend systems and data pipelines at massive scale.

Exa, a fast-growing AI search engine company, is hiring a Product Marketing Manager to enable its sales team. You'll own messaging, sales assets, objection handling, onboarding, and AI-first workflows, working on-site in San Francisco.

Exa is hiring a Technical Product Marketing Manager to own organic discovery and drive developer adoption through a weekly cadence of technical content, benchmarks, and answer engine optimization. This AI-first role is based in San Francisco and requires 4+ years of technical content experience for developers.

Exa, an applied AI lab building a transformative search engine, seeks a Chief of Staff to act as the right-hand operator for its founders. This role involves managing strategy, financial modeling, legal correspondence, recruiting, and special projects, with a focus on driving the company toward its ambitious goal.

Exa is an applied AI lab building a search engine. We are looking for a Generalist Research Engineer to work across our search and retrieval stack, including crawling, parsing, ML performance, and retrieval algorithms. This is an in-person role in San Francisco.

Ricursive Intelligence, a frontier AI lab, seeks a Senior Infrastructure Engineer to lead productization and reliability of core systems, owning CI/CD, regression testing, and cloud-scale infrastructure for AI research on chip design.

Pika is seeking passionate Research Interns (BS/MS/PhD) with Videogen experience to contribute to mid-training and post-training efforts for Videogen models, working on large-scale generative AI and multimedia systems. This internship offers flexible part-time/full-time terms, mentorship, and a mission-driven environment at the Palo Alto HQ.

Pika is seeking a Senior/Staff ML Engineer to accelerate inference for AI-driven video generation, focusing on GPU parallelism, quantization, and model deployment. This role involves optimizing inference pipelines and collaborating with research teams to bring state-of-the-art models to production.

Pika is seeking a Product Marketing Manager to lead end-to-end launches, develop positioning and messaging for AI-powered video creation, and drive go-to-market strategies. The role requires 2-5 years of product marketing experience and a passion for creativity and technology.

Pika is seeking a Staff/Lead Software Engineer for AI Infrastructure to design and scale GPU infrastructure, model serving APIs, and distributed systems for generative AI. This role involves leading technical direction, mentoring, and building robust systems for high-performance AI workloads.

Pika is seeking a staff/lead-level Research Engineer, Data to architect and scale data pipelines for training multimodal foundation models, ensuring high-quality diverse datasets for text, image, audio, and video.

Pika is seeking a Product Manager to lead the core experience of its generative AI platform, owning roadmap and delivery, and collaborating with engineering and design to transform how creators use AI tools.

Staff Software Engineer, Backend role at Pika to lead and scale backend infrastructure, APIs, and distributed systems for AI-powered video creation products. Requires 5+ years of backend experience, expertise in cloud-native technologies, and leadership in architectural decisions.

Pika is seeking a Staff Software Engineer, Product to lead the architecture and delivery of user-facing features, including real-time collaboration and AI-powered workflows, for its AI video creation platform.

Pika is seeking a Product Manager, Growth to drive activation, retention, and monetization for its creative AI video platform. The role involves owning the growth journey, running experiments, and collaborating with cross-functional teams. Ideal candidates have 2-5 years in product management or growth, with strong analytical skills and a passion for creative AI.

Inworld is a research lab building top-ranked realtime voice models. We are seeking a senior Lead Technical Recruiter to own critical searches, act as a talent partner to founders, and elevate our recruiting practice.

Doctronic is hiring a Senior AI Engineer to build the reasoning, learning, retrieval, and evaluation systems for its AI doctor, aiming to scale healthcare access to billions while improving clinical safety. The role blends research and engineering, focusing on agentic clinical reasoning, model training, and evaluation.

Doctronic, an AI-powered healthcare platform, is seeking a QA Engineer to ensure the quality and reliability of its AI-driven medical software. The role involves end-to-end testing, automated test suites, and validating AI diagnostic outputs, with a focus on healthcare compliance.