Backend Engineer, Billing

Company: Perplexity AI
Location: San Francisco Bay Area

About Perplexity AI:
At Perplexity, we've experienced tremendous growth and adoption since publicly launching the world's first fully functional conversational answer engine in 2022. We've grown from answering 2.5 million questions per day at the start of 2024 to around 20 million daily queries in December 2024. We also offer Perplexity Enterprise Pro, which counts leading companies like Nvidia, the Cleveland Cavaliers, Bridgewater, and Zoom as customers. To support our rapid expansion, we've raised significant funding from respected technology investors like IVP, NEA, Jeff Bezos, NVIDIA, Databricks, Bessemer Venture Partners, and many visionary individuals.

Role Overview:
Perplexity is seeking an experienced Backend Software Engineer to design and implement our next-generation billing systems. This is an opportunity to join a fast-growing startup and help revolutionize the way people search and interact online by building robust and scalable billing infrastructure.

Tech Stack: Stripe | Python | Docker | AWS | Postgresql

Responsibilities:
- Spearhead new feature development to enable Perplexity’s growing billing needs
- Drive continuous improvements to the reliability, performance, accuracy, and security of our billing system
- Collaborate with peers across engineering, finance, and data science teams to ensure precise measurement and reporting
- Build in-product dashboards to visualize usage and billing
- Build tools to proactively monitor user experience and improve customer success
- Build tools to create and track discount codes and promos

Qualifications:
- 2+ years experience using the Stripe APIs and SDKs
- Familiarity with payment networks, card authorizations, policies, invoicing, subscriptions, disputes, and refunds
- Experience working with large amounts of data, making data-based decisions to prioritize projects, including familiarity with relational and non-relational databases and modern data warehousing
- Strong programming skills with the ability to work across the full stack (primarily backend focus)
- Proven track record in similar billing roles
- Self-motivated with a willingness to take ownership of tasks
- A passion for shipping quality products
- 4+ years of industry experience

Nice to haves:
- Experience working with Apple and Google Play billing processes
- Experience with growth experimentation
- Full Stack experience

Compensation & Benefits:
- Cash compensation range: $180,000 - $260,000 (Final offer amounts determined by multiple factors including experience and expertise).
- Equity may be part of the total compensation package.
- Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.