xAI · 15 hours ago
Backend Software Engineer, Subscriptions
Palo Alto, CA
Full-time
Onsite
Senior Level
$180K/yr - $440K/yr
5+ years expxAI is dedicated to creating AI systems that enhance human understanding of the universe. They are seeking a backend software engineer to join the Monetization Team, responsible for developing scalable systems that power subscription infrastructure and drive revenue through key products.
Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Responsibilities
Design and build robust subscriptions infrastructure, handling payments and SKU technology across devices and platforms for millions of daily users
Develop growth systems to acquire, activate, and retain users, maximizing lifetime value and revenue
Create innovative products for X’s users and businesses, driving subscription adoption and engagement
Build algorithms and systems to support creators, enabling them to monetize high-quality content effectively
Lead technical decisions on architecture, scalability, and reliability for high-concurrency, low-latency systems
Collaborate with product, infrastructure, and compliance teams to deliver end-to-end functionality
Uphold engineering excellence through rigorous testing, monitoring, and continuous deployment practices
Qualification
Required
5+ years in backend or systems engineering, with experience in high-scale platforms
Expert in distributed systems: You've built and maintained systems with high concurrency, fault tolerance, and uptime
Builder mentality: You thrive in fast-paced, high-impact environments and are excited by solving zero-to-one problems
Strong communicator: You articulate complex technical ideas clearly, advocate for simple solutions, and avoid over-engineering
Revenue-minded: You understand the importance of building systems that drive business outcomes and user satisfaction
Preferred
Experience with payments infrastructure, subscription platforms, or creator monetization systems
Familiarity with growth engineering, user acquisition, or retention systems
Prior work in fintech, social platforms, or startups
Languages: Scala, Python, Golang
Infrastructure: Kubernetes, Apache
Benefits
Equity
Comprehensive medical, vision, and dental coverage
Access to a 401(k) retirement plan
Short & long-term disability insurance
Life insurance
Various other discounts and perks
Company
xAI
XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.
11-50 employees
H1B Sponsorship
xAI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Late StageTotal Funding
$42.73BKey Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2026-01-06Series E· $20B
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B
Leadership Team
Toby Pohlen
Founding Member
Recent News
2026-01-18
2026-01-18
Company data provided by crunchbase