Backend Software Engineer, Ads

• Build and maintain backend services that support advertising functionality across Mozilla products
• Implement APIs, data flows, and integrations between internal systems and external partners used in Ads workflows
• Contribute to systems that prioritize correctness, reliability, and scalability in a privacy-conscious environment
• Work with product managers, engineers, and cross-functional partners to deliver well-scoped features and improvements

This role contributes to building ethical, privacy-forward advertising infrastructure that helps Mozilla shape the next 25 years of technology and reclaim an internet built for people, not companies.

• 3+ years of professional software engineering experience
• Experience building backend systems using languages such as Go, Python, or Rust
• Familiarity with APIs, service-oriented architectures, and system integrations
• Ability to work effectively in a distributed, asynchronous environment with clear written and verbal communication skills

• Generous performance-based bonus plans
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting
• Quarterly all-company wellness days
• Country specific holidays plus birthday day off
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)