Lead Software Engineer / Tech Lead Manager, Growth
North America / South America, US and Latin America time zonesFull-TimeLead
Salary150000 - 200000 USD per year
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Job Details
- Required Skills
- AWSDockerNode.jsPostgreSQLPythonCypressGCPJavascriptRuby on RailsRedisReduxGitHub Actions
Requirements
- Led a team of 4-8 engineers with direct reports
- Shipped and measured growth experiments in a subscription product (signup funnels, checkout optimization, pricing and plan architecture)
- Writes production Ruby on Rails and React code (strongly preferred)
- Can design an experiment, pick the right metric, set a sample size, and explain trade-offs
- Thinks in funnels and cohorts
- Comfortable with event-sourced systems or similar architectural patterns
- Uses agentic AI coding tools (Claude Code, Devin, Cursor, or similar) in daily workflow
- Experience with healthcare, wellness, or regulated subscription commerce (strongly preferred)
- Familiarity with Stripe billing, Klarna, or similar payment platform integrations (strongly preferred)
- Experience building or managing Amplitude (or LaunchDarkly, Optimizely, etc.) experimentation infrastructure (strongly preferred)
Responsibilities
- Deliver protocol-level A/B experiments on signup flows, checkout, plan pricing, and product recommendations using Amplitude
- Ship full-stack features across the acquisition funnel in Rails and React
- Coach and develop your 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
- Partner with data engineering to instrument cohort-level M1 retention tracking per experiment
- Drive adoption of AI-assisted development across the team, using tools like Claude Code and Devin to increase shipping and development velocity
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