Senior Backend Engineer, Revenue Platform

Metropolis•Seattle, WA

1h•$220,000 - $250,000•Onsite

About The Position

Metropolis is an artificial intelligence company that uses computer vision technology to enable frictionless, checkout-free experiences in the real world. Today, we are reimagining parking to enable millions of consumers to just "drive in and drive out." We envision a future where people transact in the real world with a speed, ease, and convenience that is unparalleled, even online. Tomorrow, we will power checkout-free experiences anywhere you go to make the everyday experiences of living, working, and playing remarkable - giving us back our most valuable asset, time. Metropolis is seeking a Senior Software Engineer to join our Revenue Platform team. In this role, you will lead the development and maintenance of our billing and invoicing systems, ensuring that millions of transactions are processed accurately and efficiently. You will own the technical execution for high-priority projects. As an expert on the team, you will collaborate closely with Accounting and cross-functional partners to build clear and reliable financial workflows. You are a self-driven engineer who takes pride in high-quality craft and seeks to improve the systems you touch. Your contribution will be vital in ensuring our revenue platform remains robust as Metropolis reimagines commerce in the physical world, giving time back to our members through seamless, checkout-free experiences.

Requirements

6+ years of hands-on software engineering experience
Master Java/Scala and JVM-based environments to build high-performance revenue systems
Utilize relational databases such as PostgreSQL and MySQL to manage critical financial data
Build and scale distributed systems within AWS to support a rapidly growing platform
Own complex features independently from initial design through to production deployment
Communicate technical concepts effectively to both engineering and non-technical stakeholders like Accounting
Navigate and improve complex codebases to ensure long-term system health and maintainability
Deliver high-quality, reliable code in a fast-paced, deadline-driven environment
Utilize rapidly developing AI-assisted development skills in real-world codebases, including tools like Claude Code or Windsurf
Identify and resolve system bottlenecks and infrastructure constraints proactively
Reside locally in the Seattle area

Nice To Haves

BS or MS in Computer Science or a relevant engineering discipline
Integrate Stripe or other third-party payment processors at scale
Apply expertise in idempotent transactions and failed payment recovery strategies
Navigate financial compliance standards such as PCI-DSS
Experience building internal financial tooling or revenue operations software

Responsibilities

Own the engineering execution and evolution of the billing and invoicing platform to ensure financial accuracy
Scale backend infrastructure to handle increasing memory demands and a growing customer base
Lead the technical delivery of high-priority Stripe integrations and payment interface enhancements
Design and implement flexible payment authorization logic for diverse merchant models
Partner with Accounting and internal stakeholders to resolve complex billing disputes and improve transparency
Build and maintain highly reliable billing jobs that power the company’s core revenue engine
Deliver end-to-end features that provide significant value to business and financial operations
Drive engineering best practices, including monitoring, observability, and transaction integrity
Mentor junior engineers and contribute to the overall technical excellence of the team
Manage release processes and on-call responsibilities for the revenue platform services