2+ years of experience with backend systems for consumer applications
Exceptional software engineering background with experience in large-scale systems
Proven ability to lead technical initiatives and manage engineering teams
Strong track record in delivering complex backend systems at scale
5+ years of experience in monetization, subscriptions, or fintech
Experience in fast-paced, high-growth environments
Expertise in distributed systems and global payments infrastructure
Proficiency in high-performance programming languages like Go, Python, Java, or Rust
Responsibilities
Build the complete billing infrastructure for consumer subscriptions end-to-end
Design and build promotional offer infrastructure and internal tools
Develop communications systems for push, email, and in-app messaging
Implement market-specific billing methods and compliance solutions
Architect product bundles tailored to different markets
Build intelligent models to deliver timely messages and offers
Own and develop key features for X Premium and SuperGrok products
Benefits
Equity in the company
Comprehensive medical, vision, and dental coverage
Access to a 401(k) retirement plan
Short & long-term disability insurance
Life insurance
Various discounts and perks
Full Job Description
SOFTWARE ENGINEER, CONSUMER SUBSCRIPTIONS
As an engineer for Consumer Subscriptions (X Premium, SuperGrok, Cursor), you will play a key role in the entire billing and monetization infrastructure powering one of SpaceXSI's fastest-growing revenue organizations. You will be part of a dedicated engineering team responsible for growth, commerce infra, subscriptions, promotions, global payments, and personalized user experiences at massive scale. This high-impact engineering role offers the opportunity to directly drive significant revenue growth while architecting systems that serve hundreds of millions of users worldwide and shape the future of premium AI and social products. RESPONSIBILITIES:
Build 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
Hands-on ownership and development of key features for X Premium and SuperGrok products
BASIC QUALIFICATIONS:
2+ years of experience with backend systems for consumer applications
PREFERRED SKILLS AND EXPERIENCE:
Exceptional software engineering background with deep experience building large-scale, high-stakes systems (billing, payments, or transactional platforms preferred)
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
5+ years of experience working on large-scale consumer applications, ideally in monetization, subscriptions, or fintech
Experience leading engineering efforts in a fast-paced, high-growth environment
Expertise in distributed systems, global payments infrastructure, personalization engines, or A/B testing frameworks
Proficiency with high-performance languages and tools such as Go, Python, Java, Rust, or similar
COMPENSATION AND BENEFITS:
$140,000 - $225,000 USD
Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
