# Software Engineer, Monetization

**Company:** [character.ai](https://hotfix.jobs/companies/characterai)
**Location:** Redwood City, CA
**Role:** Fullstack Engineering
**Salary:** $150k – $300k/yr
**Skills:** TypeScript, React, React Native, Tailwind, HTML, Python, Go, A/B Testing
**Posted:** 2025-10-03

> Builds and optimizes user-facing monetization features like payments, subscriptions, and in-app purchases across mobile and web. Requires strong frontend expertise in TypeScript/React/React Native and backend comfort with Python/Golang, plus experience driving revenue through consumer products.

## Job Description

## 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.

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**Canonical:** https://hotfix.jobs/jobs/94474ae6-602d-4e70-be3a-cf9967bb6da7