Software Engineer III, Product Safety & Integrity

In this role, you will work in a mostly-remote environment. To ensure there are enough opportunities to communicate, the preferred timezone for this candidate will be UTC - UTC+3.

As a software engineer, you will work closely with the team to:

• Proactively develop and maintain tools that empower communities to identify, mitigate, and prevent various forms of abuse across Wikimedia projects.
• Design privacy-conscious systems that detect behavioral patterns indicative of abuse while minimizing false positives and respecting user anonymity.
• Continuously adapt abuse detection and mitigation strategies in response to changes in browser privacy standards, networking protocols, and platform architecture.
• Collaborate cross-functionally with product managers, designers, and researchers to create holistic, human-centered solutions that balance safety and freedom.
• Write resilient, maintainable systems and high-quality code with a focus on long-term sustainability.
• Implement observability to maintain high levels of quality and system stability.
• Instrument and measure the impact of anti-abuse across Wikimedia projects.

Skills and experience:

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

Qualities that are important to us:

• Collaboration, humility, and a shared commitment to Wikimedia’s vision of free knowledge for all which guides everything we build
• Communicate with clarity and empathy, both in synchronous and asynchronous settings

Additionally, we'd love it if you have:

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