Software Engineer, Ads Product

Highlights

• Rebuild the X Ads Platform with modern infrastructure and AI at the center.
• Ship ad delivery, targeting and optimization systems operating at massive scale.
• Build AI-powered features that directly impact the majority of X's revenue.

What they offer

• Equity
• Medical, vision and dental coverage
• 401(k) retirement plan
• Short and long-term disability insurance
• Life insurance
• Discounts and perks

Ideal candidate

Early-career, high-slope engineer who learns fast, ships quickly and takes ownership. Excited by massive-scale products and using AI to make ads more relevant and effective.

Requirements

• Strong software engineering fundamentals
• Ability to write clean, maintainable code and learn new codebases quickly
• Strong problem-solving skills and comfort working through ambiguity
• 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
• Bias toward action, shipping fast and improving quickly
• Strong ownership mindset and willingness to take responsibility
• Excitement about building high-quality product experiences for advertisers and users