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HarperHarperSan Francisco, CA

GTM Engineer

Builds analytics models and runs experiments to optimize marketing funnels, paid acquisition, and growth decisions. Partners with marketing head using SQL/Python to drive revenue impact through insights and LTV/CAC analysis.

130k – 190k
On-siteGTM Engineering

About the role

Responsibilities

  • Own funnel analytics — Track performance from lead to conversion to revenue; define and maintain core marketing KPIs
  • Drive paid acquisition decisions — Analyze channel performance across Google, Meta, and beyond; influence where the budget goes
  • Build and interpret LTV/CAC models — Give the business a clear picture of unit economics and what levers to pull
  • Run experiments that drive growth — Design and analyze A/B tests; turn results into decisions, not just reports
  • Segment and identify what's working — Cohort analysis, customer segmentation, high-performing channel identification
  • Communicate insights that move people — Translate complex analysis into clear, actionable recommendations for non-technical stakeholders

Requirements

  • Proven experience in a growth, marketing, or revenue-focused data science role
  • Strong SQL; Python preferred
  • Hands-on experience with funnel analysis, attribution, segmentation, and LTV/CAC modeling
  • Experience designing and analyzing A/B tests and experiments
  • Exposure to paid acquisition channels (Google, Meta, etc.)
  • Commercial mindset — comfort influencing decisions, not just informing them

Nice to Have

  • Experience with Google Ads, Meta Ads, or TikTok Ads
  • Familiarity with PostHog, Mixpanel, or Amplitude
  • Background in PLG companies, high-growth startups, or SMB-heavy environments
  • Exposure to AI-assisted analytics workflows

Compensation

Salary: $130,000–$190,000 + performance bonuses & equity

Benefits

  • Health, dental, and vision insurance
  • Commuter benefits
  • Team meals and snacks

Skills

SQLPythonGoogle AdsMeta AdsA/B TestingLtv/Cac ModelingFunnel AnalysisAttributionCohort AnalysisCustomer SegmentationPosthogMixpanelAmplitude

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