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

Endra, an AI startup backed by a16z, is seeking a Founding Content & Events Marketing Lead. This 0→1 role will build the company's events engine and founder-led content machine to generate pipeline and make Endra impossible to ignore. Work directly with founders to shape the brand.

Cowboy Space Corp. seeks a Build & Test Engineer to own hardware-in-the-loop (HITL) test infrastructure, building reusable test tooling and automation to run flight software against real or emulated spacecraft hardware.

Northwood Space seeks a Staff Software Engineer to lead the development of its cloud-based platform for global antenna scheduling, customer booking, and service provisioning. The role involves designing scalable distributed systems, APIs, and billing infrastructure to support a global network of phased array ground stations.

Runway is seeking a Designer, Growth Marketing to own the visual execution of high-volume performance marketing assets across video, motion, and static formats. This remote role combines brand, performance marketing, and generative media, using tools like Runway to create scroll-stopping ad creative for channels like Meta and YouTube.

Sesame is seeking an Executive Assistant to support the CEO and Head of Operations. The role involves complex scheduling, communication management, travel coordination, and operational support in a fast-paced startup environment. Ideal candidate has 10+ years of experience supporting C-suite executives.

TENEX is an AI-native MDR provider seeking a senior communications leader to build its PR and analyst relations function from scratch. The role owns global PR strategy, analyst relationships, product launch comms, and executive thought leadership, reporting to the VP of Marketing.

Wrapbook, the AI platform for production finance, is hiring a Remote Mid-Market Account Executive to expand its footprint across film and TV production companies. The role involves full-cycle sales with 3–12 month sales cycles, focusing on creative, personalized outreach.

Substack is hiring a Full Stack Software Engineer to join its Activation team, focusing on building and testing features that bring new readers and creators to the platform and help them succeed. The role involves developing features, running experiments, and collaborating with cross-functional teams. Requires 3+ years of software engineering experience.

Lightspark is building modern, open financial infrastructure. We're hiring a Senior Production Engineer to build and integrate new customer experiences and optimize the performance, scalability, and reliability of our infrastructure. This remote role involves on-call rotation.

Mariana Minerals is seeking a Sr. Procurement Specialist to lead capital procurement for construction projects, managing contracts, negotiations, and systems. This role requires 5-7+ years of experience in heavy industry and strong commercial skills.

insitro, a physical AI company accelerating drug discovery, seeks a Counsel/Senior Counsel to handle commercial contracts, R&D support, compute/infrastructure, and AI-enhanced legal operations. This hybrid role in South San Francisco partners with science, finance, HR, and IT, requiring 2-7+ years of legal experience.

Krea is building next-generation AI creative tools. As a Fullstack Engineer, you'll build and maintain APIs and UI flows, optimize performance, and drive real-time image/video pipelines. Work with Svelte, TypeScript, Node, and Kubernetes.

Krea is seeking a Founding Customer Success Manager to drive customer onboarding, adoption, renewals, and expansion for their AI creative tools. The role involves working closely with creative teams, tracking usage, and identifying growth opportunities.

Clutch seeks a Senior HR Business Partner to build high-performance culture and leadership judgment in a fast-paced fintech SaaS environment. Partner with leaders on HR strategy, internal communications, and accountability systems. Remote role requiring 5+ years HRBP experience.

Clutch is seeking a People Operations Generalist to run HR programs and systems, including onboarding, offboarding, performance cycles, benefits, and compliance. This remote role is hands-on and involves building efficient workflows and owning employee engagement and recognition initiatives.

Anyscale is hiring a Software Engineer to join its Platform and Infrastructure team, focusing on building scalable, secure infrastructure for distributed AI workloads. The role involves control plane and data plane development, with expertise in Kubernetes and cloud-native technologies. Requires 3+ years of production experience and proficiency in Go and Python.

Protege is seeking a Senior Technical Recruiter to own full-cycle recruiting for critical technical roles, partnering with hiring managers and leadership to attract and close exceptional talent. This remote role involves sourcing, pipeline building, and improving recruiting processes in a fast-paced, high-growth AI startup.

Hadrian seeks a Factory Lead for the 2nd shift to oversee production execution, lead a team of 10-30 technicians, and ensure operational efficiency in an advanced manufacturing environment.

Hadrian is seeking an IT Systems Administrator to own the platforms and services that keep its autonomous factories running. The role involves deploying and hardening IT infrastructure in a factory environment, building AI tooling, and ensuring systems are reliable and secure.