---
title: 'Product Marketing Lead at DepthFirst'
canonical: 'https://feeny.ai/job/product-marketing-lead-depthfirst-san-francisco-hyzqtxyagt3g'
type: 'job'
last_seen: '2026-09-11'
---

# Product Marketing Lead at DepthFirst

- **Company:** DepthFirst
- **Location:** San Francisco, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-07-21
- **Last confirmed live:** 2026-09-11
- **Apply:** https://jobs.ashbyhq.com/depthfirst/1b9cca2a-586c-453e-a054-569ee5014374

## Job description

## About depthfirst

We believe that software is the foundation of modern civilization - yet vulnerabilities threaten its integrity, security, and resilience. We are on a mission to solve security. depthfirst is building intelligence to detect and remediate critical software vulnerabilities. We are training and scaling security AI agents to discover zero-days vulnerabilities across large customer codebases and popular open source software. Our founding team includes deep expertise in data, infrastructure, security and LLMs with technical leaders from DeepMind, Databricks, Square, and Faire. We are looking for strong technically-minded people who are interested in working at the intersection of AI, Security and Infrastructure.

## About This Role

depthfirst is hiring its first Product Marketing Lead. This is a founding go-to-market role for someone who wants to define how a category-defining security product is understood, talked about, and sold. You will help define and iterate on positioning and messaging, and you will be the connective tissue between product, sales, and the market. The application security space is crowded and noisy, full of tools that overpromise, and your job is to make it obvious why depthfirst is revolutionary and better than the alternatives. As the first PMM, you will wear many hats. You will write copy for our website, build sales decks, run product launches, lead sales enablement, and deliver competitive analysis. This is a broad, high-ownership role with room to build the function around you as we scale.

## Key Responsibilities

- Own positioning and messaging for depthfirst and each product, and keep it sharp as the product and market evolve
- Make depthfirst stand out in a crowded, hype-heavy security market by turning technical differentiation into a clear, credible story buyers trust
- Run product launches end to end: narrative, assets, timing, and cross-functional coordination across product, sales, and demand gen
- Build competitor intelligence into a durable asset: track the landscape, run win/loss analysis, and equip the team with battlecards and objection handling that actually get used
- Partner closely with sales to build enablement that moves deals, including pitch decks, one-pagers, demo narratives, and talk tracks, and sit in on calls to keep it grounded in reality
- Write and own high-impact website copy that converts, from the homepage to product pages
- Develop a deep understanding of our buyers and translate their problems into language that resonates across our website, pitch decks, one pagers, and enablement collateral
- Feed market and competitive signal back to product to shape roadmap and priorities

Required Qualifications

- 5+ years in product marketing, ideally including a first or early PMM hire at a fast-growing startup where you had to iterate on messaging
- A track record of making technical products stand out in competitive, crowded markets
- Strong partnership with sales, with real experience building enablement that reps rely on and win/loss or competitive programs that influence deals
- Excellent writing: you can take something technical and make it clear, sharp, and persuasive
- Comfort going deep on a technical product; developer tools, security, or infrastructure experience is a strong plus
- High ownership and range: you are energized by owning many things at once and building from zero
- Alignment with our mission of securing the world’s software
- Based in San Francisco or willing to relocate

## What We Offer

- Competitive salary with meaningful equity
- Health, vision, and dental insurance
- 401k
- Office lunch and dinner (SF office)
- Ownership and significant room to grow as the company scales

--- depthfirst is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.

To all recruitment agencies: depthfirst does not accept agency resumes. Please do not forward resumes to depthfirst employees. depthfirst is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.

## About DepthFirst

## Company Overview
- **One-liner**: Autonomous security platform that uses AI to continuously find, validate, and fix exploitable vulnerabilities across code, infrastructure, dependencies, and runtime environments.
- **Entity Type**: Private (Series B, $80M total funding)
- **Headquarters**: San Francisco, California, United States
- **Founded**: Not publicly available
- **Founders**: Qasim Mithani, Daniele Perito, Andrea Michi

## Core Business
- **Primary industry**: Cybersecurity (AI-native autonomous security)
- **Target customers**: B2B, Enterprise (developers, security teams, CISOs)
- **Mission or purpose statement**: "Secure the world’s most important software."

## Products & Services
- **Agentic Pentesting**: Autonomous penetration testing that runs dynamic exploits against running applications to confirm real attack paths.
- **Supply Chain Security**: Traces risk through full dependency trees and surfaces only vulnerabilities with a real execution path.
- **Secrets & Sensitive Data**: Detects and validates credentials across codebase, CI/CD pipelines, and runtime environments.
- **Code Security**: Finds vulnerabilities by tracing business logic, data flows, and cross-service interactions across the codebase.
- **Dependency Firewall**: Detects and blocks malicious behavior before it spreads in the environment.
- **Fix & Verify**: Generates merge-ready pull requests for every confirmed vulnerability, then replays the attack post-fix to ensure the vulnerability is truly resolved.

## Market Standing
- **Valuation**: Not disclosed (private company)
- **Key Metric**: Total funding $80M (Series B announced March 2026, led by Meritech Capital Partners; Series A with 12 investors)
- **Notable Investors/Partners**: Meritech Capital Partners (lead Series B), plus 12 Series A investors. Backed by leading investors in AI, security, and software.
- **Growth Signals**: 33 employees (366.7% YoY growth); 11 active job postings; claims 8x more true positives and 95% fewer false positives vs. leading tools; 90% of fixes accepted by developers; $5M in platform credits offered to open source maintainers via the Open Defense Initiative.

## Competitive Advantages
- **AI-native context-aware reasoning** – The platform understands code, business logic, and infrastructure to find complex vulnerabilities (including business logic flaws and chained exploits) that siloed tools miss.
- **Extremely low false positives and high fix acceptance** – 95% false positive reduction and 90% developer-accepted fixes create trust and productivity.
- **Founding team** – Built security at Cash App/Faire, infrastructure at AWS/Databricks, and AI research at Google DeepMind (contributions to Gemini, AlphaDev, Nature publications).
- **Continuous autonomous verification** – After each fix, the same attack is replayed in the running application; vulnerabilities are only closed when exploitation fails, not when code changes.

## Strategic Focus
- Advancing AI agents for security through reinforcement learning (training vulnerability discovery agents, e.g., dfs-mini1 model).
- Scaling enterprise adoption and expanding the Open Defense Initiative to secure widely deployed open source projects.
- Building a research-driven applied AI lab focused on software security.

## Why Work Here
- **Culture**: Positioned as an "applied AI lab" at the frontier of security and AI research. Team members come from top companies like Databricks, Meta, Google DeepMind, Faire, and Notion.
- **Work policy**: On-site in San Francisco (multiple offices, including 250 Montgomery St and 1 Sutter St).
- **Open roles**: 11 positions across Engineering (Backend, Product, Security, Research), Sales (Account Executive, SDR, Solutions Engineer), Product Design, and Business Operations.
- **Notable perks**: Not explicitly detailed but typical for well-funded Series B startups; equity, competitive compensation, and the chance to work on cutting-edge autonomous security in a rapidly growing team.

## Sources
1. [depthfirst.com](https://depthfirst.com/)
2. [jobs.ashbyhq.com/depthfirst](https://jobs.ashbyhq.com/depthfirst)
3. [depthfirst.com/about](https://depthfirst.com/about)
4. [linkedin.com/company/depthfirst](https://www.linkedin.com/company/depthfirst)
5. [builtin.com/company/depthfirst](https://builtin.com/company/depthfirst)

## Other roles at DepthFirst

- [Recruiting Coordinator](https://feeny.ai/job/recruiting-coordinator-depthfirst-san-francisco-5cyt00c1955d) — San Francisco, CA
- [Technical Account Manager](https://feeny.ai/job/technical-account-manager-depthfirst-san-francisco-q9z1adhzcasb) — San Francisco, CA
- [Analytics & GTM Operations Lead](https://feeny.ai/job/analytics-gtm-operations-lead-depthfirst-san-francisco-m2bpyhgeyqyh) — San Francisco, CA
- [Recruiter](https://feeny.ai/job/recruiter-depthfirst-san-francisco-nctmw46zw084) — San Francisco, CA
- [Chief of Staff, CEO](https://feeny.ai/job/chief-of-staff-ceo-depthfirst-san-francisco-mvtyx5wjnqtx) — San Francisco, CA
- [Product Manager](https://feeny.ai/job/product-manager-depthfirst-san-francisco-mhm9q7m349mm) — San Francisco, CA
- [Sales Development Representative](https://feeny.ai/job/sales-development-representative-depthfirst-san-francisco-2bmyvnhjc5t1) — San Francisco, CA
- [Security Product Engineer](https://feeny.ai/job/security-product-engineer-depthfirst-san-francisco-73fe5368zeje) — San Francisco, CA
- [Solutions Engineer](https://feeny.ai/job/solutions-engineer-depthfirst-san-francisco-67h8ve7dk5qx) — San Francisco, CA
- [Forward-Deployed Security Engineer](https://feeny.ai/job/forward-deployed-security-engineer-depthfirst-san-francisco-byz7vsnkc69t) — San Francisco, CA