Ads Platform Engineer — AI-Driven, Scalable

SpaceX Super Intelligence; Palo Alto (CA); On-site; USD 150,000 - 350,000; Full time

Benefits offered by this job

Equity

Medical, Vision, Dental

401(k) retirement plan

Disability insurance

Life insurance

Employee discounts

Job summary

SpaceXSI is seeking early-career software engineers to help rebuild and transform the X Ads Platform using SpaceXSI's AI stack and infrastructure. You will work across product, backend systems, infrastructure, and AI-powered features that directly impact X’s revenue.

This role is ideal for engineers who are eager to learn quickly, ship fast, and gain ownership of meaningful parts of the product, with no required prior ads experience.

Qualifications

• : Strong software engineering fundamentals.
• :
• Experience building software through internships, projects, research, open-source work, startups, or full-time roles.
• Interest in backend systems, distributed systems, data pipelines, product engineering, or AI applications.
• A bias toward action: you like shipping, learning from real users, and improving quickly.
• Strong ownership mindset and willingness to take responsibility for meaningful parts of the product.
• Excitement about building high-quality product experiences for advertisers and users.

Responsibilities

• Build and ship product features across the X Ads Platform.
• Work on systems related to ad delivery, targeting, optimization, measurement, and advertiser experience.
• Use SpaceXSI's infrastructure and AI capabilities to improve the performance and quality of advertising products.
• Contribute to distributed systems that need to be reliable, fast, and scalable.
• Collaborate closely with engineers, product leads, and cross-functional partners to turn ideas into working products.
• Learn quickly, take ownership, and operate in a fast-moving environment where high-quality execution matters.
• Debug, maintain, and improve production systems that serve real users and drive significant business impact.

Skills

Strong software engineering principles

Write clean, maintainable code

Problem solving

Ownership mindset

Ability to ship rapidly

Experience with internships/projects/—

Interest in backend systems or AI

Bias toward action

Tools

React

Golang

Python

Rust

gRPC

Java/Scala

Job description

SpaceXSI is seeking early-career software engineers to help rebuild and transform the X Ads Platform using SpaceXSI's AI stack and infrastructure. You will work across product, backend systems, infrastructure, and AI-powered features that directly impact X’s revenue.

This role is ideal for engineers who are eager to learn quickly, ship fast, and gain ownership of meaningful parts of the product, with no required prior ads experience.