Hybrid Software Engineer – Agentic Commerce

at Perplexity

• Job title: Software Engineer – Agentic Commerce
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: $220,000 - $405,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Distributed Systems, Postgres, Python
• Location requirements: Hybrid, San Francisco, United States

About the role

• Software Engineer building and evolving billing systems that monetize Perplexity products. Collaborating with teams to ensure reliable and extendable revenue paths.

Responsibilities

• Design and maintain billing API abstractions that enable product teams to 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
• Establish reliability standards for billing — tiered SLOs organized by customer impact, proactive monitoring, and alerting to catch revenue-affecting issues before customers do
• Partner with Finance, Data Science, Growth, and Security teams to ensure billing data is accurate, auditable, and compliant
• Expand payment method coverage and optimize authorization rates to improve conversion globally
• Build internal tooling that empowers Support and Finance teams to diagnose and resolve billing issues quickly
• Collaborate with security and privacy teams to build secure, compliant checkout and payment flows

Requirements

• 4+ years of industry experience in software engineering
• 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 of 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 working with relational databases (PostgreSQL) and making data-informed decisions to prioritize work
• Self-motivated with strong ownership instincts — you ship major features ahead of schedule or add feature improvements without asking for permission
• Track record of cross-functional collaboration with Finance, Support, or Growth stakeholders

Benefits

• Full-time U.S. employees enjoy a comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more.
• Full-time employees outside the U.S. enjoy a comprehensive benefits program tailored to their region of residence.