Senior Backend Engineer — AI-Powered Payments

SpaceXAI; New York (NY); On-site; USD 180,000 - 440,000; Full time

Benefits offered by this job

Equity

Medical coverage

401(k) retirement plan

Vision and dental coverage

Disability insurance

Job summary

xAI is seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial institutions. In this role you will specialize in backend development, designing and optimizing robust microservices for scalability, security, and reliability.

You will support full‑stack efforts, collaborate with cross‑functional teams on payments, fraud detection, and compliance, and

Qualifications

• Proficiency in distributed systems for high-scale, low-latency environments.
• Experience with Rust, Go, Python or Java and streaming systems.
• 2+ years of experience on large-scale consumer applications.

Responsibilities

• Develop backend services, APIs, and data models for high-volume, multi-user use.
• Collaborate with iOS, Android and Web engineers to ship products.
• Architect robust microservices for payments, transactions, and engagement.
• Build full-stack features including dashboards, content delivery, and analytics.
• Lead architecture and reliability decisions for low-latency systems.
• Ensure testing, monitoring, deployment, and secure data handling.

Skills

Distributed systems

Rust

Go

Python

Java

High-volume streaming

Job description

xAI is seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial institutions. In this role you will specialize in backend development, designing and optimizing robust microservices for scalability, security, and reliability.

You will support full‑stack efforts, collaborate with cross‑functional teams on payments, fraud detection, and compliance, and