Software Engineer III

Responsibilities

• Proactively develop and maintain tools to identify, mitigate, and prevent abuse across Wikimedia projects
• Design privacy-conscious systems to detect behavioral patterns of abuse while respecting user anonymity
• Adapt abuse detection strategies to changes in browser privacy standards and platform architecture
• Collaborate cross-functionally with product managers, designers, and researchers
• Write resilient, maintainable code and implement observability for system stability
• Instrument and measure the impact of anti-abuse efforts

Requirements

• 1+ years of related professional experience
• Experience building and maintaining large-scale applications
• Proficiency in PHP, JavaScript, or similar languages
• Proficiency in relational databases
• Strong foundation in security principles
• Experience driving cross-team objectives and product impact

Preferred Qualifications

• Familiarity with abuse fighting or security concerns
• History of open source contributions

About the Company

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and other free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge.