Senior Engineer (Payment & Ops) - Leaply
Core
Building a parallel payment processing module and subscription billing system for a global health/wellness app, handling subscriptions, retries, and chargebacks.
Role type
Senior Backend Engineer (Payments & Operations)
Builds
Payment orchestration layer, subscription billing engine, and data pipelines for a consumer health app.
Domain
Fintech / HealthTech
Deliverable
production ML models | product features
Required skills
Node.js, TypeScript, PostgreSQL, payment gateway integration, subscription billing, idempotency, webhooks, external API integration, cloud infrastructure
Preferred skills
Payment orchestration (Primer, Spreedly), BigQuery, Kubernetes, Terraform, Argo CD, React/Next.js
Technologies
NestJS, TypeScript, PostgreSQL, GCP (GKE, Cloud Run, Cloud Functions), BigQuery, React, Next.js
Responsibilities
Integrate a payment orchestrator or billing provider; Design and build a subscription module for live traffic; Build parallel A/B tests for payment flows; Extract payment module from monolith to a separate service with its own database; Build payment data pipelines and dashboards.
Seniority
Senior, hands-on IC