Senior Backend Engineer – Scalable Payments & AI Platform

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

Job summary

SpaceXAI is seeking a talented Software Engineer to join our X Money team, building a revolutionary global payments network for 600M+ users. You will design backend services, APIs, and microservices for scalable, secure, reliable payments and real-time analytics.

Collaborating with iOS, Android, and Web engineers, you will contribute to fraud detection and compliance initiatives while driving greenfield projects in a fast-paced, startup‑like environment at the intersection of AI and finance.

Qualifications

• Proficiency in distributed systems for high-scale, low-latency environments.
• 2+ years of experience working on large scale consumer applications.
• 5+ years of experience working on large scale consumer applications or early-mid stage startup founding experience.

Responsibilities

• Develop backend services, APIs, and data models for high-volume, multi-user environments.
• Work with iOS, Android & Web client engineers to ship products.
• Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement.
• Build and maintain fullstack features, including dashboards, personalized experiences, and real-time analytics.
• Lead architecture, scalability, and reliability decisions for high-concurrency, low-latency systems.
• Uphold engineering excellence via testing, monitoring, deployment, and secure data handling.

Skills

Distributed systems

Low-latency

Backend design

Team collaboration

Tools

Rust

Go

Python

Java

Job description

SpaceXAI is seeking a talented Software Engineer to join our X Money team, building a revolutionary global payments network for 600M+ users. You will design backend services, APIs, and microservices for scalable, secure, reliable payments and real-time analytics.

Collaborating with iOS, Android, and Web engineers, you will contribute to fraud detection and compliance initiatives while driving greenfield projects in a fast-paced, startup‑like environment at the intersection of AI and finance.