Member of Technical Staff (Software Engineer, Monetization)

The role

You will design, build, and own the billing platform and monetization systems for Perplexity Computer and other paid experiences. This includes managing subscription, invoicing, and usage-based billing systems for consumer and enterprise plans.

What you will do

• Design, build, and own the billing platform and monetization systems.
• Lead features end-to-end from problem definition to launch.
• Build billing API abstractions for product teams to ship new SKUs and pricing models.
• Build and operate subscription, invoicing, and usage-based billing systems.
• Improve reliability through tiered SLOs, monitoring, and alerting.
• Partner with Finance, Data Science, Growth, Security, Support, and go-to-market teams.
• Build internal tooling for Support and Finance to resolve billing issues.

Required qualifications

• 4+ years of professional software engineering experience.
• Direct experience building or scaling billing, payments, subscription, or monetization systems.
• Deep familiarity with payment processors (Stripe, Square, etc.), including subscriptions, invoicing, disputes, refunds, and webhooks.
• Demonstrated experience and appetite for building in-house billing solutions.
• Strong backend engineering skills in Python with the ability to reason about complex distributed systems.
• Experience with relational databases (PostgreSQL).
• Strong product judgment.
• Self-motivated with strong ownership instincts.
• Track record of cross-functional collaboration with Finance, Support, or Growth stakeholders.
• Genuine interest and adoption of AI products and willingness to learn quickly.

Nice to have

• 2+ years of hands-on experience with the Stripe APIs and SDKs.
• Experience with usage-based or metered billing models, especially metering agent actions, tokens, or other non-traditional units.
• Experience with Apple and Google Play in-app purchase billing.
• Familiarity with growth experimentation and PLG/self-serve SaaS monetization.
• Experience building platform constructs that support pricing experiments and A/B testing.
• Full-stack experience (Next.js/React/TypeScript).
• Experience in a regulatory or compliance-heavy billing environment.
• Time spent at a fast-growing startup or on a high-ownership engineering team.

About the company

Perplexity launched Computer, a product for the era of agentic AI. Millions of people use Perplexity to transform knowledge into action.