Y Combinator Growth Marketing Lead
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Description
- We’re hiring a senior Growth leader to architect and operate our growth engine from the ground up — hands‑on
- This isn’t a “manage the agency” role
- You’ll be the one designing the system, wiring the stack, running the experiments, and shipping the assets
- You think in funnels and frameworks, build measurement infrastructure before you launch campaigns, and treat go-to-market as an engineering discipline: instrument, test, iterate, scale
- You’ll work directly with Sales, RevOps, Product, and Brand to turn signal into pipeline — and you’ll be the one who actually builds the things that make that happen
- Critically, you’ll own the number: net new business in the form of marketing qualified leads is your north star, and you’ll be accountable for hitting it
- This will be a high-visibility role with incredible growth opportunities
- Ad Engine Ownership & Performance Marketing
- Own the design, build, and continuous optimization of our ad engine across paid search, paid social, programmatic, and video — with a focus on efficiency, scale, and measurable pipeline contribution
- Architect audience segmentation, bidding strategies, creative rotation logic, and budget allocation frameworks to maximize return on ad spend
- Move beyond channel management: treat the ad engine as a product, iterating on targeting logic, landing page pairings, offer variants, and conversion pathways to compound performance over time
- Own hands‑on execution — you’re in the platforms, not just reviewing reports
- Driving Net New Business: MQL Ownership
- Own the MQL number. You are directly accountable for generating net new marketing qualified leads that convert into pipeline and revenue
- Build and operate the demand generation engine that fills the top of funnel — from first touch to sales-ready hand‑off — with clear SLAs, routing logic, and feedback loops
- Define and enforce MQL quality standards in partnership with Sales and RevOps, continuously tightening the criteria as signal improves
- Report on MQL volume, velocity, cost-per-MQL, and downstream conversion rates; use those inputs to direct investment across channels and programs
- Scaling the Marketing Foundation: 1 to 100
- Take the marketing foundations already in place — brand narrative, positioning, early channel presence, initial playbooks — and build the operational engine that scales them
- Translate strategy into a repeatable growth system: standardized processes, campaign architecture, channel playbooks, and asset libraries that multiply output without multiplying headcount
- Identify what’s working at small scale and build the infrastructure — tooling, measurement, creative, ops — to run it at 10x without losing fidelity or efficiency
- Close the gaps between brand and demand: ensure every scaled program reinforces positioning while driving measurable business outcomes
- Full-Funnel Growth System Ownership
- Design and own the full‑funnel growth architecture: paid (search, social, programmatic, video), organic (SEO, content, web), ABM, partnerships, and referral
- Build the experimentation infrastructure — test frameworks, audience segmentation, offer variants, landing page scaffolding — and run rapid learning cycles
- Engineer the demand‑to‑pipeline path: ICP definitions, routing logic, handoff SLAs, and Sales feedback loops
- Identify new channels and build the playbook before you scale spend
- Growth Stack & Analytics
- Instrument the growth funnel end‑to‑end across Salesforce, HubSpot, GA4, Webflow/CMS, and attribution/BI tooling
- Partner with RevOps and Analytics to establish taxonomy, data hygiene standards, experimentation frameworks, and attribution models that hold up under scrutiny
- Build dashboards and reporting infrastructure that make the “what’s working” question answerable in real time — and translate results into insights, next actions, and investment guidance for Marketing and GTM leaders
- Cross-Functional Alignment
- Serve as the DRI for growth: set strategy, run the operating cadence, and align Sales, RevOps, Product, and Brand around clear priorities and decision criteria
- Build influence without line authority — turn cross‑functional stakeholders into an integrated growth squad
- Maintain a transparent roadmap and experiment backlog; communicate trade‑offs and learnings frequently
- Deep hands‑on experience building and optimizing ad engines across paid search, social, and programmatic; you know the platforms as well as the strategy
- You influence without authority, move fast with incomplete information, and maintain high standards while doing it
- Strong systems instinct: you design processes, taxonomies, and operating cadences that other people can actually use
- Proven ability to take an early-stage marketing foundation and scale it into a high-output, repeatable growth system
- You’re equally comfortable instrumenting a funnel as writing a high‑conversion brief — you’ve shipped real things in both modes
- A bias toward building: when something doesn’t exist, you make it
- Demonstrated ownership of an MQL or pipeline number — you’ve been accountable for net new business outcomes, not just activity metrics
- Senior, hands‑on experience building integrated growth programs in B2B SaaS; healthtech experience a plus
- Built ABM motions in close partnership with Enterprise and Mid‑Market Sales
- Scaled a performance creative system across channels — briefing, asset libraries, structured testing
- Worked with data science on incrementality testing or advanced attribution
- Run product‑led and sales‑led motions in parallel