Backend Software Engineer, Ads

Mozilla Corporation is a non-profit-backed technology company that aims to improve the internet for users. As a Backend Software Engineer on the Ads Engineering team, you will build and maintain backend services that support advertising functionality, collaborate with cross-functional teams, and contribute to systems that prioritize correctness and reliability.

Responsibilities:

• 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
• Participate in code reviews, design discussions, and on-call or operational responsibilities as part of the team
• Incrementally take on more complex problems as you develop familiarity with Ads systems and domain concepts

Requirements:

• 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
• Clear written and verbal communication skills
• Comfort working on well-defined problems while navigating some ambiguity with support from teammates
• Exposure to data pipelines, analytics systems, or ad-tech concepts is a plus, but not required
• Some experience working with modern frontend frameworks (such as React) is a bonus