Platform Lead — Identity, Payments & Core Services

Moon; Glendale (CA); On-site; USD 185,000 - 225,000; Full time

Job summary

Moon is seeking a lead backend engineer to own auth and identity, multi-entity tenancy, the entitlements engine, payments and financing APIs, and cross-platform messaging services. You’ll shape the databases and infrastructure that power Moon’s core platform and mentor a small senior team.

You’ll enforce contract-first API design, versioning, and clean deprecation windows, uphold high reliability, and champion CI-enforced invariants.

Qualifications

• 7+ years of backend engineering with distributed systems in production.
• Deep database and API design experience; payments or fintech integration experience a strong plus.
• Has been the technical lead others calibrate against.
• Pragmatic architecture instincts; ships.

Responsibilities

• Lead the design and build of core services: identity, tenancy, entitlements, payments and financing APIs, messaging buses - and the shared services every module consumes: email, SMS, voice and communication services, and the client database.
• Own database architecture and performance; uphold demanding reliability commitments.
• Enforce contract-first discipline: versioned APIs, clean deprecation windows, no surprise breaking changes.
• Enforce engineering standards via code review across the application, including proper use of the design system via Storybook.
• Mentor the team's engineers; encode critical business rules as CI-enforced invariants.

Skills

Backend engineering

Distributed systems

API design

Payments integration

Technical leadership

Job description

Moon is seeking a lead backend engineer to own auth and identity, multi-entity tenancy, the entitlements engine, payments and financing APIs, and cross-platform messaging services. You’ll shape the databases and infrastructure that power Moon’s core platform and mentor a small senior team.

You’ll enforce contract-first API design, versioning, and clean deprecation windows, uphold high reliability, and champion CI-enforced invariants.