Backend Engineer (Product Growth)

The role

You will build revenue-critical parts of Higgsfield products including paywalls, pricing pages, checkout, and subscription flows. You will develop onboarding, upsell, and in-product communication to drive conversion and retention.

What you will do

• Build paywalls, pricing pages, checkout and subscription flows
• Develop onboarding, upsell and in-product communication
• Design and implement complex UI state logic across plans, limits, trials and payment states
• Run A/B tests and PLG experiments
• Work closely with analysts to turn data into product decisions
• Keep the interface fast and responsive
• Ensure product quality through unit, integration and end-to-end tests

Required qualifications

• Experience building complex software and teaming up with others
• Strong communication, collaboration and commitment to completing projects
• Experience with payment integrations, checkout or subscription flows
• Experience with A/B testing, feature flags and product analytics
• Knowledge of CI/CD, bundlers, profiling and performance optimization
• Ability to get up to speed on new context quickly and take full ownership of a task
• Willingness to work in a fast-paced startup environment
• Strong product sense and an understanding of how interface decisions affect conversion, retention and revenue
• Ability to design clear user states and in-product communication
• Broad context over narrow specialization
• Resilience and focus in a high-intensity startup environment

Benefits

• Competitive salary in USD
• Stock options
• Relocation provided from anywhere

About the company

Higgsfield AI is a generative AI company building AI-powered video creation and next-generation creative tools.