Founding GTM/Sales Lead (LLM/Agent Startup)

Full-time | Hybrid Remote - Palo Alto | Reports to Founders

Join us at Fastino as we build the next generation of LLMs and agentic systems. Our team, boasting alumni from Google Research, Apple, Stanford, and Cambridge is on a mission to develop specialized, efficient AI.
Fastino has raised $25M (as featured in TechCrunch) through our seed round and is backed by leading investors including Microsoft, Khosla Ventures, Insight Partners, Github CEO Thomas Dohmke, Docker CEO Scott Johnston, and others.
The Head of GTM will own the entire GTM and Sales engine from day one: owning strategy and execution across sales and growth channels, working closely with the founders to define and scale our growth initiatives and build our future sales organization.

Responsibilities

Serve as the founding IC salesperson, owning the entire sales cycle—from prospecting to qualification, demos, negotiation, and close.
Build and manage a predictable pipeline across startups, mid-market, and enterprise buyers evaluating LLMs, agentic systems, and AI infrastructure.
Partner closely with the founders, engineering, and product teams to refine messaging, inform roadmap prioritization, and accelerate product-market fit.
Engage deeply with technical buyers, developers, and AI teams evaluating open-source, fine-tuned, or agent-focused models.
Build repeatable outbound and inbound processes, including tooling, qualification frameworks, sales reporting, and early playbooks.
Work with marketing and community to drive launch success for new open-source model releases.
Represent Fastino at conferences, workshops, demos, and customer sessions.
Collaborate with the founders to set revenue targets, positioning, and go-to-market strategy.
Bring customer insights back into research and engineering to improve our model performance, APIs, and developer experience.
Wear multiple hats as we scale—everything from first-call outreach to shaping deals to defining onboarding and support flows.

About You

5+ years in B2B sales, ideally in AI, ML infrastructure, dev tools, or technical SaaS selling to developers
Prior experience as a founding salesperson, first GTM hire, or early IC strongly preferred.
Comfortable selling highly technical products to engineering leaders, founders, and applied AI teams.
Demonstrated success exceeding quota in high-velocity or mid-market/enterprise cycles.
Energetic, hands-on operator with a biased-to-action mindset.
Strong communicator—comfortable demoing LLM capabilities and engaging with technical and non-technical stakeholders.
Builder mentality: you thrive in ambiguity, create structure where needed, and can scale yourself into a managerial role as the team grows.
High integrity, extreme ownership, and relentless follow-through.

Be one of the first GTM hires, helping define our sales DNA from the ground up.
Work alongside elite researchers and engineers shaping the future of agentic AI.
Contribute directly to open-source model launches and cutting-edge LLM advancements.
Clear growth path into Sales Manager → Head of Sales as Fastino scales.
High-impact, fast-paced environment backed by top-tier investors and operators.