Senior Software Engineer, Ads Platform & AI

Maven Ventures; Palo Alto (CA); On-site; USD 180,000 - 330,000; Full time

Benefits offered by this job

Equity

Comprehensive medical, vision & dental

401(k) retirement plan

Job summary

SpaceXSI is hiring a Sr. Software Engineer, Ads Product, in Palo Alto. You will help rebuild the X Ads Platform with our AI stack, shipping features across backend systems and advertiser experiences.

Ideal candidates are early in their careers but capable of rapid growth, learning, and delivering high-impact features. You will collaborate with product, backend, and AI teams to create scalable, reliable systems that power a large portion of X’s revenue, while embracing a fast-moving,

Qualifications

• 5+ years of experience building software (internships, projects, research, open-source, startups, or full-time).
• Strong software engineering fundamentals and ability to learn new codebases quickly.
• Strong problem-solving skills and comfort with ambiguity.
• Interest in backend systems, data pipelines, AI applications, or product engineering.
• Bias toward action: shipping, learning from users, and improving quickly.

Responsibilities

• Build and ship product features across the X Ads Platform.
• Work on delivery, targeting, optimization, measurement, and advertiser experience.
• Use SpaceXSI infrastructure and AI capabilities to improve performance of ads products.
• Contribute to distributed systems that are reliable, fast, and scalable.
• Collaborate 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 with high-quality execution.
• Debug, maintain, and improve production systems serving real users.

Skills

Software fundamentals

Clean code

Problem solving

Learning quickly

Ownership mindset

Shipping fast

Ad tech familiarity

Backend systems

AI applications

Tools

React

Golang

Python

Rust

gRPC

Java

Scala

Job description

SpaceXSI is hiring a Sr. Software Engineer, Ads Product, in Palo Alto. You will help rebuild the X Ads Platform with our AI stack, shipping features across backend systems and advertiser experiences.

Ideal candidates are early in their careers but capable of rapid growth, learning, and delivering high-impact features. You will collaborate with product, backend, and AI teams to create scalable, reliable systems that power a large portion of X’s revenue, while embracing a fast-moving,