Senior Backend Engineer, Growth (US)
Core
Founding backend engineer building the full customer funnel (acquisition, activation, retention) and experimentation infrastructure for a predictive parenting intelligence platform.
Role type
Senior IC backend engineer (growth)
Builds
Services for paywalls, subscription tiering, onboarding, in-app messaging, referral mechanics, trial models, and checkout bundling; experimentation and instrumentation layer (feature flags, event tracking).
Domain
Consumer health tech / predictive parenting intelligence
Deliverable
production ML models | product features
Required skills
Backend software development, software design and architecture, distributed systems, API design (REST, gRPC, WebSocket), A/B testing infrastructure, test automation, observability (Grafana, Prometheus), asynchronous communication.
Preferred skills
Consumer subscription products (billing, Stripe), growth/monetization team experience, independent concept-to-production delivery, Docker and Kubernetes.
Responsibilities
Own backend services for growth bets; build and extend experimentation/instrumentation layer; move end-to-end across acquisition, activation, and retention; partner with mobile engineers and product managers; set engineering patterns for the US team; anchor on-call coverage in the US time zone; contribute to backend guild best practices.
Seniority
Senior, founding IC with high autonomy