Subscriptions Platform Engineer – Global Payments & Billing

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

Job summary

SpaceXSI is seeking a Software Engineer for Consumer Subscriptions to own the end-to-end billing infrastructure for X Premium and SuperGrok services. You will lead a dedicated engineering team, build promotional and payments systems, and craft personalized user experiences at scale for hundreds of millions of users.

The role demands expertise in large-scale backend systems, a track record in monetization projects, and hands-on development with Go, Python, Java, or Rust.

Qualifications

• Exceptional software engineering background with deep experience building large-scale systems for billing, payments, or transactional platforms.
• Proven ability to lead technical initiatives and influence or directly manage engineering teams.
• Strong track record delivering complex backend systems for consumer applications at scale.
• Passion for revenue-generating products and creating exceptional user experiences.

Responsibilities

• Own the complete billing infrastructure for consumer subscriptions end-to-end, ensuring world-class reliability, security, and scalability.
• Design and build sophisticated promotional offer infrastructure and internal tools to supercharge the revenue organization.
• Develop comprehensive communications systems enabling intelligent push, email, and in-app messaging that drive engagement and conversions.
• Implement market-specific billing methods and compliance solutions to accelerate global expansion.
• Architect compelling product bundles across the X ecosystem tailored to different markets and consumer needs.
• Build intelligent models and systems that serve the right messages, offers, and information to users at the optimal 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 products.

Skills

Distributed systems

Payments infrastructure

Monetization

Leadership

Go

Python

Java

Rust

Tools

Go

Python

Java

Rust

Job description

SpaceXSI is seeking a Software Engineer for Consumer Subscriptions to own the end-to-end billing infrastructure for X Premium and SuperGrok services. You will lead a dedicated engineering team, build promotional and payments systems, and craft personalized user experiences at scale for hundreds of millions of users.

The role demands expertise in large-scale backend systems, a track record in monetization projects, and hands-on development with Go, Python, Java, or Rust.