Software Engineer, Ads Product

The role

You will build and ship product features across the X Ads Platform, including ad delivery, targeting, optimization, measurement and advertiser experience. You will work on distributed, large-scale systems that use SpaceXSI's infrastructure and AI stack.

What you will do

• 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

Required qualifications

• 1+ years of experience building software through internships, projects, research, open-source work, startups, or full-time roles

Nice to have

• Strong software engineering fundamentals
• Ability to write clean, maintainable code and learn new codebases quickly
• Strong problem-solving skills and comfort working through ambiguity
• 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
• Experience with ads, recommendations, search, ranking, marketplaces, payments, analytics, or growth systems
• Experience working with large-scale backend systems or data processing pipelines
• Experience with React, Golang, Python, Rust, gRPC, Java, or Scala

Benefits

• Equity
• Comprehensive medical, vision, and dental coverage
• Access to a 401(k) retirement plan
• Short and long-term disability insurance
• Life insurance
• Various other discounts and perks

About the company

SpaceX was founded to make life multiplanetary and expand consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe, through Colossus supercomputers, Grok models and applications including X.