Full-Stack Engineer Python+React

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for Full-Stack Engineer Python+React (AI-native / Experimentation Platform).

Requirements:
• 2+ years of production full-stack experience
• Strong Python/FastAPI + React/TypeScript skills
• Experience building browser/client-side SDKs
• Event tracking & analytics experience (PostHog, Mixpanel, Segment, Amplitude, etc.)
• Strong API/integration engineering skills (OAuth, webhooks, GraphQL/REST)
• Good understanding of experimentation/A-B testing systems
• Strong product ownership mindset
• Comfortable working with AI coding tools (Cursor, Claude Code, Codex)

Nice to have:
• Shopify app development experience
• PostHog expertise
• Experimentation platforms experience (Statsig, GrowthBook, Optimizely, LaunchDarkly, VWO, etc.)
• Statistical experimentation knowledge
• Edge/serverless experience

What the company offers:
• Constant and interesting work with foreign clients
• Flexible working hours
• 50% cost compensation of sports, English lessons
• Annual paid 30 days vacation and paid sick days
• Medical insurance policy

Responsibilities:
• Develop and maintain a browser SDK running on third-party storefronts
• Build and improve a visual no-code editor for live page experiments
• Develop and support the experimentation backend and analytics pipeline
• Build and enhance the merchant dashboard
• Develop Shopify app extensions and integrations
• Configure and maintain PostHog infrastructure and event tracking
• Work on future integrations with Klaviyo, Gorgias, Meta Ads, Google Ads, and other platforms
• Collaborate using a modern AI-assisted development workflow (Claude Code, Cursor, Codex, etc.)