Senior Fullstack Developer (React Native)
Core
Design, build, and optimize high-converting funnel architecture and experimentation systems for web and mobile to drive subscription growth.
Role type
Senior Fullstack Developer (React Native)
Builds
Onboarding flows, multi-step signup systems, A/B testing frameworks, event tracking, and payment integration for acquisition funnels.
Domain
SaaS / Growth Engineering / Mobile Web
Deliverable
production ML models | product features
Required skills
React, TypeScript, React Native, Node.js, A/B testing implementation, analytics instrumentation, frontend performance optimization, AI coding tools
Preferred skills
Subscription product experience, high-traffic platforms, SEO-sensitive landing pages, Redis/caching, CI/CD, event-driven systems
Technologies
React, TypeScript, React Native, Node.js, Symfony, Redis, Stripe, GA4, Amplitude, Segment, Mixpanel, GitLab, GitHub Actions
Responsibilities
Build and optimize onboarding flows (web, mobile web, app); Implement A/B testing frameworks and feature flags; Reduce load times and improve Core Web Vitals; Implement pricing experiments and upsell triggers; Maintain and improve AI-assisted development documentation and workflows.
Seniority
Senior, hands-on IC