Lead Subscriptions & Payments Engineering

Pantera Capital; Palo Alto (CA); On-site; USD 180,000 - 440,000; Full time

Benefits offered by this job

Equity

Medical coverage

401(k)

Job summary

SpaceXAI is seeking an engineer for Consumer Subscriptions to own the end-to-end billing and monetization infrastructure powering one of our fastest-growing revenue units. You will lead a dedicated team responsible for subscriptions, promotions, global payments, and personalized user experiences at massive scale.

This role offers high-impact, hands-on ownership of features for X Premium and SuperGrok, with opportunities to directly influence revenue growth and product experiences for hundreds of

Qualifications

• Experience building large-scale backend systems (billing/payments/transactions).
• Experience leading engineering initiatives and teams.
• Strong track record delivering consumer applications at scale.

Responsibilities

• Own the complete billing infrastructure for subscriptions end-to-end with reliability and security.
• Design and build promotional offer infrastructure and internal tools to drive revenue.
• Develop communications systems for push, email, and in-app messaging to boost engagement.
• Implement market-specific billing methods and compliance for global expansion.
• Architect product bundles across the X ecosystem for different markets.
• Build models to deliver targeted messages, offers, and information at the right time.
• Recruit, build, and lead a high-performing Consumer Subscriptions engineering team.
• Hands-on ownership and development of key features for X Premium and SuperGrok.

Skills

Billing systems

Lead engineering teams

Distributed systems

Monetization experience

Go

Python

Java

Rust

Billing payments

Tools

Promotions tooling

Global payments integration

A/B testing frameworks

Job description

SpaceXAI is seeking an engineer for Consumer Subscriptions to own the end-to-end billing and monetization infrastructure powering one of our fastest-growing revenue units. You will lead a dedicated team responsible for subscriptions, promotions, global payments, and personalized user experiences at massive scale.

This role offers high-impact, hands-on ownership of features for X Premium and SuperGrok, with opportunities to directly influence revenue growth and product experiences for hundreds of