Software Engineer – X Core Product

at SpaceXAI

📍 Palo Alto, United States

USD 180,000-440,000 per year

MIDDLE

✅ On-site

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

AI @ 5 API Android Distributed Systems @ 5 Go @ 5 Java @ 5 Microservices Payments Python @ 5 Rust @ 5 iOS

Details

About the Role

As a Software Engineer for X Platform, you’ll join the thirty person team responsible for building and scaling X. You will be tasked with independently owning significant parts of the system end-to-end: from intuitive user interfaces to robust backend services, data infrastructure, and deep AI integrations.

This is a unique opportunity to impact while creating products that are loved by 600M+ users globally.

Responsibilities

Develop backend services, APIs, and data models to support 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 across platforms.
Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, 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.

Requirements

Proficiency in distributed systems for high-scale, low-latency environments; languages like Rust, Go, Python & Java, and high volume streaming systems.
2+ years of experience working on large scale consumer applications.

Preferred Skills and Experience

5+ years of experience working on large scale consumer applications or early-mid stage startup experience as a founding engineer, emphasizing rapid prototyping, user-centric design, and AI solutions.

Compensation and Benefits

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at SpaceXAI, 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.