Software Engineer, Monetization

Character.AI

full-time

Posted on: 10/4/2025

Location Type: Hybrid

Location: Redwood City • California • 🇺🇸 United States

✨ AI Apply

💰 $150,000 - $300,000 per year

Mid-LevelSenior

GoPythonReactReact NativeTypeScript

About the role

Build and optimize user-facing features across mobile and web that power payments, subscriptions, and in-app purchase flows.
Design and experiment with monetization surfaces, from virtual currency systems to premium upsells to advertising.
Partner closely with design and product to create delightful, performant, and trustworthy purchase experiences.
Collaborate with data science to define monetization success metrics, run experiments, and analyze outcomes.
Work with backends to design scalable, reliable systems for payments, entitlements, and transactions.
Maintain a high bar for UI/UX polish, performance, and privacy in sensitive user flows.
Help shape the company’s approach to monetization experimentation, including frameworks for A/B testing and iteration velocity.

Experience in consumer products with monetization, IAP, or subscription flows.
Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.
Comfortable contributing to backend services, ideally with Python or Golang, especially for payments or commerce systems.
Demonstrated experience shipping user-facing features that drove measurable monetization or engagement outcomes.
Proven ability to thrive in a fast-paced environment, balancing iteration speed with quality and reliability.
Excellent communication and collaboration skills across engineering, product, design, and data.

Benefits

🩺 Top-notch health coverage for you & your family, with majority of the premium covered
💰 We invest in your future with a generous 401(K) contribution
🍼 New parents, we've got you covered with incredible paid leave -up to 20 weeks
🌴 4 weeks of PTO to explore, unwind & come back recharged
🍽️ Daily in-office catering plus a monthly Doordash stipend to help keep you fueled no matter where you are**
✨ Monthly wellness stipend to support you in your health journey

Tip: use these terms in your resume and cover letter to boost ATS matches.

TypescriptReactReact NativeTailwindHTMLPythonGolangA/B testingmonetizationuser-facing features

communicationcollaborationiteration speedqualityreliability