Lead Software Engineer, Core Platform

Moon

$185K — $225K *
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of backend engineering experience with a focus on distributed systems in production.
  • Strong background in database architecture and API design, with fintech or payments experience preferred.
  • Demonstrated ability as a technical lead with a solid track record of mentorship.
  • Pragmatic approach to architecture, with a proven ability to deliver projects.
  • Experience enforcing engineering standards and best practices.

Responsibilities

  • Lead the design and development of core services including identity, tenancy, and payments APIs.
  • Manage database architecture and ensure high performance and reliability.
  • Implement contract-first development practices with versioned APIs and deprecation strategies.
  • Conduct code reviews to uphold engineering standards and proper design system usage.
  • Mentor team engineers and establish critical business rules as continuous integration enforced invariants.

Benefits

  • Opportunity to work in a small, senior platform team with direct impact on core product developments.
  • Collaborative environment with a focus on continuous shipping without conflicts.
  • Diverse tech stack and chance to work on foundational services impacting multiple modules.
Full Job Description
Role Overview

You will be the technical lead of Moon's core platform: auth and identity, multi-entity tenancy, the entitlements engine, payments and financing APIs, cross-platform communication services, and the databases everything runs on. Every module team builds on the foundation you keep solid.

About the role
• You will join a small, senior platform team as its lead engineer, working with the Senior EM and the Principal Engineer on the contracts, reliability, and data architecture that let small teams ship continuously without colliding.

What you'll do
• Lead the design and build of core services: identity, tenancy, entitlements, payments and financing APIs, messaging buses - and the common 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.

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.

The pay range for this role is:

185,000 - 225,000 USD per year (Moon HQ)

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