Lead Software Engineer / Tech Lead Manager, Growth (Remote)

📋 Description

• Deliver protocol-level A/B experiments on signup flows, checkout, pricing using Amplitude
• Ship full-stack features across the acquisition funnel in Rails and React
• Coach and develop the engineering team through regular 1:1s, pair programming, code reviews and career conversations
• Own experiment design, including sample sizing, metric selection, and the CVR-vs-retention tension that comes with a dual mandate
• Iterate and continuously optimize plan and pricing architecture, including payment platform integrations
• Build and maintain the experimentation infrastructure your team runs on

🎯 Requirements

• Led a team of 4-8 engineers with retention
• Shipped growth experiments in a subscription product (signup funnels, checkout optimization, pricing)
• Production Ruby on Rails and React code; JS/Node, Python acceptable
• Design experiments: metrics, sample size, trade-offs
• Think in funnels and cohorts; state from event streams
• Use agentic AI coding tools daily

🎁 Benefits

• Full suite: health, medical, dental coverage (USA & Canada)
• Flexible vacation/time-off policies
• Equity in the company via stock options
• Liquidity of options whenever available
• Extended options exercise window (3 months per year; e.g. 1 year for 4+ year employees)