Jobs · Marketing · California

Senior Engineer (Growth)

Jinba (YC W26) · San Francisco, CA · 1 mo ago
HybridMarketingFull-time

About the role

The Senior Engineer (Growth) will own the systems that turn signups into customers. They will work across the full stack, building landing pages, instrumenting funnels, and running in-app experiments to move metrics.

Responsibilities

  • Build and optimize our marketing site, signup flows, and onboarding
  • Design and run A/B tests across the funnel
  • Integrate and automate our CRM and lead nurturing systems
  • Ship growth features in the product (referrals, usage triggers, activation loops)
  • Work directly with the Head of Growth to prioritize high-leverage experiments

Requirements

  • Full-stack skills: TypeScript, React, SQL, Python
  • Data fluency: BigQuery, Mixpanel (or similar)
  • Product growth experience: Activation, retention, and conversion
  • Bias to action: Ship fast, measure everything, and iterate
  • Comfort with ambiguity: Participate in crafting high leverage hypotheses to test

Qualifications

  • Ex-technical founder (built something from zero)
  • Experience at a PLG or developer tools company
  • Familiarity with CRM/marketing automation (Loops, HubSpot, Segment, etc.)

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