Python Backend Developer / Разработчик Python (Backend)

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Description

Novakid is an online English school for kids. The Visitor Squad owns the funnel from first visit to paid lesson: landing pages, registration and booking, blog, and the visitor's personal account. We track two key metrics, visitor → lead and visitor → booking, and test almost everything we ship through experiments. js) and 30% frontend (React/TypeScript). You'll own the server side of the funnel: APIs behind registration, booking and the visitor account, attribution, and server-side integrations with ad platforms. When a feature needs frontend work, you'll take it end-to-end yourself. You'll work within the squad's processes: planning, grooming, code review, sprints and releases. Key Responsibilities Design, build and maintain Python services and APIs behind the funnel: registration, booking and the visitor account Build and own server-side integrations with ad platforms (Meta CAPI, TikTok Events API and similar): event delivery, deduplication, retries and monitoring Own attribution on the backend: end-to-end visit tracking, UTM persistence, and diagnosing gaps in V2L/V2B data Keep services fast and reliable: caching, query optimization, debugging server-side rendering in our [link] layer Investigate production incidents through Sentry and see them through to resolution Support A/B testing on the server side: feature flags, rollouts, and cleanup after experiments Ship frontend

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