Founding Jobs

Help build TierZero's core product as a founding engineer, designing agentic LLM systems, ML pipelines, and scalable infrastructure to accelerate how teams run code in production.

Founding Strategy & Operations operator for a New York–based AI search startup driving enterprise client outcomes, product priorities, and scalable operational processes.

A high-growth cloud-infrastructure startup is hiring a Founding Account Executive to own the full sales cycle and help define how the company sells to engineering-driven organizations.

Founding-stage company seeks a hands-on CTO to lead technical strategy, build the engineering team, and take the product from MVP to scalable platform.

Founding Marketing Leader to craft Natoma’s category narrative, build the demand and brand engine, and lead product marketing for an early-stage AI-native enterprise infrastructure company.

Hobbes is looking for a founding Account Executive to own full-cycle sales and build the go-to-market motion for its autonomous demo agent from its San Francisco HQ.

Early-stage SaaS company seeking a founding Account Executive to own full-cycle enterprise sales and help build the go-to-market motion for observability and incident-management solutions.

Be the founding US Sales Associate for Athena at Humaans, owning outbound pipeline and early GTM experiments to establish our presence in the US.

Be the first outbound SDR at an AI-driven observability startup, building a repeatable outbound motion from zero and generating pipeline into engineering organizations at Series C+ companies.

Perfect Venue seeks a founding marketer to lead brand, demand generation, content, and product marketing for an early-stage SaaS serving restaurants and event spaces from our San Francisco office.

Be part of the founding U.S. sales team at an AI healthcare startup in Austin, owning full-cycle pipeline generation and accelerating into a closing AE role with equity and uncapped commission.

Lead Gener8’s commercial motion as the founding GTM hire for Data Partnerships, building pipeline and closing strategic, enterprise-level data deals end-to-end.

Become TierZero's first outbound SDR and own building the outbound engine—cold outreach, prospecting into engineering orgs, and creating the repeatable motion that converts technical buyers into pipeline.

High-impact founding engineering role building AI-native, production-grade legaltech infrastructure for a seed-funded startup seeking a bilingual (EN/ES) backend-first senior engineer in Miami or NYC.

Be a founding engineer at TierZero, designing and shipping agentic AI, RAG, and scalable infra to accelerate production engineering workflows.

Founding SDR role at an AI-driven observability startup to create outbound pipeline from zero by owning cold outreach, prospecting, and ICP development.

Lead Hellyeah’s developer adoption from 0→1 by designing growth programs, embedding the SDK across builder platforms, and building community-driven distribution.

Founding Engineer to build real-time voice agents, generative UIs, and LLM orchestration at an early-stage SF startup backed by a $6M seed.

Help build Bild AI's core product as a founding product engineer, shipping end-to-end features that turn messy blueprint and construction data into simple, usable interfaces.

Help build TierZero's core product as a founding engineer, designing agentic AI systems and scalable infra to accelerate how teams run production code.

Lead product strategy and execution as the Founding Product Manager for a VC-backed startup building AI-first enterprise accounting automation.

As Phonely's first Marketing Lead, you will define the company's brand and go-to-market, build an organic growth engine, and lead demand-gen programs to drive top-of-funnel and enterprise conversions.

Perfect Venue is hiring a strategic Founding Recruiter to own end-to-end talent acquisition and employer branding as the company scales from its San Francisco hybrid HQ.

Collectly is looking for a founding Product Marketing Manager to define positioning, lead GTM launches, and build customer advocacy for its AI-driven RCM platform.

Help invent and build agentic AI systems, ML pipelines, and scalable infra as a founding technical team member at TierZero in San Francisco.

Founding Sales Development Representative responsible for creating TierZero's outbound pipeline from scratch by prospecting technical buyers at Series C+ companies.

Parq seeks a Founding GTM Engineer to architect and operate a data-driven, LLM-orchestrated growth engine that scales outbound and inbound pipeline for Hazel in the building materials sector.

Circuit is hiring a Founding Product Marketer to shape positioning, build GTM narratives, and enable sales for its AI platform serving manufacturing enterprises.

Finch Legal is hiring a hands-on Founding Marketer to build the brand, demand engine, and content systems that will drive growth and trust for a high-growth legal tech startup in NYC.

Help invent and ship TierZero's core agentic AI and production infrastructure as a founding engineer working from our San Francisco office.

Own full-cycle enterprise sales for Solstice's AI content platform, selling into pharmaceutical brands and helping establish a repeatable revenue playbook.

Help build TierZero's core product as a founding engineer focused on LLM-driven agents, scalable infra, and observability for production systems.

Neuroscale seeks a hands-on Founding Data Engineer to architect and operate production-grade data and search infrastructure that powers its AI recruiting platform.

High-impact backend engineer role at a fast-growing insurance infrastructure startup, focused on building core systems, databases, and cloud infrastructure in San Francisco.

Lead the end-to-end development of production AI agents at Strada, translating customer operations into scalable agent workflows and shipping technical product features with direct customer impact.

Ranger is looking for a founding marketer to create and run a developer-first growth engine that makes our QA tooling impossible for engineers to ignore.

Hyperspell is hiring a founding platform engineer to build and scale the production infrastructure that powers its context and memory layer for AI agents.

Build and own Anagram’s marketing function from the ground up, driving inbound demand, crafting product-led messaging, and elevating the CEO as a go-to voice in security.

Work as a founding software engineer at Nova Intelligence to build platform infrastructure and reliable AI Agents that operate at enterprise scale for SAP customers.

High-impact founding role for a GTM Engineer to design community-led acquisition loops and instrument growth funnels at a mission-driven education fintech backed by top VCs.

Alpaca Health seeks a Founding Product Manager to rapidly prototype AI-driven features, own conversion and growth funnels, and deliver an AI-native platform that transforms care delivery for clinicians and families.

Navigate is hiring a founding technical recruiter to build and lead full-cycle hiring for engineering, AI/ML, and operations roles at an early-stage AI-for-construction startup.

Lead product marketing and go-to-market for Highlight, shaping messaging, launches, and sales enablement as a founding hire on a fast-moving AI startup team.

Founding Software Engineer at Loula to build and lead the full-stack product from the ground up, driving architecture, product roadmap, and customer-informed development to improve health outcomes for new families.

Silna Health is hiring a founding Partnerships Lead in NYC to build and run a full-cycle partnerships function that drives distribution and compounding revenue across the healthcare ecosystem.

Work as a founding engineer at an early-stage, venture-backed consumer startup to build the full product stack and AI model layer end-to-end.

Experienced full-stack engineer needed to build and scale Nestmed's real-time AI documentation platform, owning backend-to-frontend product areas and driving enterprise-ready features.

Forge — backed by OpenAI and Founders Fund — is hiring a Founding Recruiter in San Francisco to build and run the company’s world-class, scalable recruiting function and hire the first wave of exceptional talent.

Serve as the founding recruiter for a fast-scaling AI evaluation startup, owning recruiting operations and candidate experience across all active searches in a hybrid, Bay Area-based contract role.

Help design and ship TierZero’s core agentic AI and infrastructure features as a founding engineer working closely with leadership and customers to productionize LLM-driven observability.