Senior Growth Engineer - Contract

📋 Description Running end-to-end experiments across Halcyon Labs's marketplace Building and optimizing conversion-focused frontend experiences Writing code to send performance data back to Google Automating parts of our Google Ads configuration and campaign management Owning A/B test pipelines and iterating quickly based on real usage data Working autonomously within a lean, fast team 🎯 Requirements 5+ years of software engineering, frontend-leaning with full-stack breadth Think in experiments; articulate impact Autonomous and low-dependency; thrive on hypothesis and deadlines Data-driven; define success and measure results Contracting experience a plus; open to move AI tools like Claude Code are part of your workflow 🎁 Benefits Full autonomy to own growth loop and impact Early hire with fast career progression and equity Mission-driven tech-for-good in care Series A backed with top VCs Global opportunity and scalability Inclusive culture with great benefits