Software Engineer, Monetization

character; Redwood City (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Character.AI is scaling personalized AI with monetization at its core, seeking a Product Engineer to shape how users pay for subscriptions, virtual currency, and premium features across web and mobile.

You’ll collaborate with design, product, data, and engineering to build delightful, performant purchase experiences, define success metrics, and drive revenue while protecting user trust and privacy.

Qualifications

• Experience in consumer products with monetization, IAP, or subscription flows.
• Proficient in Typescript, React, React Native, Tailwind, HTML.
• Comfortable contributing to backend services, ideally with Python or Golang, especially for payments or commerce systems.
• Demonstrated experience shipping user-facing features that drove monetization or engagement.
• 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.

Responsibilities

• 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.

Skills

Monetization experience

Typescript

React

React Native

Tailwind

HTML

Python

Golang

Frontend development

Cross-functional collaboration

Tools

Python

Golang

Job description

About the Role

We are scaling personalized AI to billions of users and monetization is at the core of making this vision sustainable. Our monetization team is reimagining how users interact with virtual currency, subscriptions, and premium features in ways that feel intuitive, rewarding, and fun. We’re looking for a product engineer who thrives at the intersection of core product, commerce, and user experience—someone excited to design and build systems that not only drive revenue but also enhance user delight.

If you have experience with subscriptions, ads, virtual economies, or in-app purchase flows, and care deeply about building high-quality user experiences we’d love to work with you.

What you’ll do

• 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.

Who you are

• 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.

Nice to Have

• Background in gaming, virtual currencies, or digital goods ecosystems.

• Prior experience with payment processors, subscription platforms, or marketplace ecosystems.

• Passion for user psychology, reward systems, and designing engaging monetization loops.

• Exposure to startup or zero-to-one product development environments.

About Character.AI

Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.

In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.

Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!

At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.