Monetization Platform Engineer — Billing & Pricing

Perplexity; California (MO); On-site; USD 120,000 - 210,000; Full time

Job summary

Perplexity is seeking a monetization engineer to own the billing platform powering Computer and related paid experiences. You will design, implement, and operate subscriptions, invoicing, and usage-based billing for millions of users across consumer and enterprise plans.

You will lead features end-to-end from problem definition to design and launch, collaborate with Finance, Data Science, Growth, Security, Support, and GTM teams, and push for reliable, auditable billing data and broader payment

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 that rival leading best-in-class buy options.
• Strong backend engineering skills in Python with the ability to reason about complex distributed systems.
• Experience with relational databases (PostgreSQL) and making data-informed decisions to prioritize work.
• Strong product judgment, you translate user and stakeholder problems into simple, effective technical solutions.
• Self-motivated with strong ownership instincts, you ship major features ahead of schedule and drive improvements without asking for permission.
• Track record of cross-functional collaboration with Finance, Support, or Growth stakeholders.
• Genuine interest and adoption of AI products and willingness to learn quickly.

Responsibilities

• Design, build, and own the billing platform and monetization systems that power Computer and every paid experience across Perplexity.
• Lead features end-to-end, from problem definition through technical design, implementation, and launch, including the billing API abstractions that let product teams ship new SKUs, pricing models, and monetization experiments with minimal friction.
• Build and operate the subscription, invoicing, and usage-based billing systems that serve millions of users across consumer and enterprise plans.
• Hill-climb on reliability: tiered SLOs organized by customer impact, proactive monitoring, and alerting to catch revenue-affecting issues before customers do.
• Partner closely with Finance, Data Science, Growth, Security, Support, and go-to-market teams to keep billing data accurate, auditable, and compliant, and to expand payment method coverage and optimize authorization rates globally.
• Build internal tooling that empowers Support and Finance to diagnose and resolve billing issues quickly.

Skills

Software engineering

Billing systems

Payments integration

Python backend

PostgreSQL

System design

Cross-functional collaboration

Ownership mindset

AI product interest

Stripe APIs

Tools

Stripe APIs

PostgreSQL

AWS

Docker

Job description

Perplexity is seeking a monetization engineer to own the billing platform powering Computer and related paid experiences. You will design, implement, and operate subscriptions, invoicing, and usage-based billing for millions of users across consumer and enterprise plans.

You will lead features end-to-end from problem definition to design and launch, collaborate with Finance, Data Science, Growth, Security, Support, and GTM teams, and push for reliable, auditable billing data and broader payment