xAI
Software Engineer - Consumer Subscriptions
About this role
Lead the design and development of billing and monetization infrastructure for SpaceXAI's consumer subscription products (X Premium & SuperGrok). You'll architect large-scale payment systems, build promotional tools, and lead a dedicated engineering team while directly driving revenue growth for a rapidly expanding organization.
What you'll do
- Own end-to-end billing infrastructure ensuring reliability, security, and scalability at massive scale
- Design promotional offer systems and internal tools to support revenue operations
- Build communications platforms for push notifications, email, and in-app messaging
- Implement global billing methods and compliance solutions for international markets
- Architect product bundles tailored to different markets and consumer segments
- Recruit and lead a high-performing Consumer Subscriptions engineering team
What they're looking for
- Large-scale backend system design and distributed systems architecture
- Billing, payments, or transactional platform experience
- Technical team leadership and engineering influence
- Consumer application monetization and subscription infrastructure
- Global payments systems and compliance
- High-performance languages (Go, Python, Java, Rust, or similar)
- A/B testing and personalization systems
- Fast-paced, high-growth environment execution
Benefits
- Equity compensation
- Comprehensive medical, vision, and dental coverage
- 401(k) retirement plan
- Short and long-term disability insurance
- Life insurance
- Various discounts and perks
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xAI
xAI builds advanced AI infrastructure and systems, including the Grok model inference platform and Colossus GPU cluster. The company is hiring Mechanical, Electrical, and Facilities Engineers to design and maintain its data center operations, as well as Software Engineers to optimize high-performance inference systems and datacenter networking.
View all jobs at xAILikely interview questions
- Walk us through a large-scale billing or payment system you've built—what were the biggest technical challenges and how did you solve them?
- How have you approached leading engineering teams in high-growth environments, and what's your philosophy on balancing hands-on work with team leadership?