Backend Developer
Core
Senior backend engineer owning the Hal Leonard Connect B2B platform (digital sheet music sales) and its billing system for music retailers and partners worldwide.
Role type
Senior IC backend engineer (B2B platform & billing)
Builds
Hal Leonard Connect platform (Catalog/Purchase API, vendor dashboard, SDKs) and Stripe-based billing system
Domain
Music publishing / B2B SaaS / Payments
Required skills
PHP (Yii2), MySQL, REST API design, Stripe integration, Docker/Kubernetes, SQL, Metabase, AI coding tools (Claude/Cursor), English (B2+)
Preferred skills
Keycloak/OAuth, ClickHouse, Shopify apps, Music publishing domain knowledge
Technologies
PHP, Yii2, MySQL, Stripe, Docker, Kubernetes, Grafana, Prometheus, Sentry, Metabase, Oracle, AS400, Perfion, Keycloak
Responsibilities
Own the Connect backend and billing system end-to-end; manage external integrations and data reconciliation; build self-service tooling for non-engineers; act as technical contact for vendors and internal staff; represent engineering in sales syncs.
Seniority
Senior, hands-on IC