Remote Senior Software Engineer, Product Safety & Integrity

Wikimedia Foundation; United States; On-site; USD 92,000 - 144,000; Full time

Job summary

The Wikimedia Foundation is seeking a software engineer to join the Product Safety and Integrity Team. You will work on tools to identify, mitigate, and prevent abuse across Wikimedia projects while designing privacy-conscious systems that respect user anonymity.

You will collaborate with product managers, designers, and researchers to balance safety with freedom, writing maintainable code and measuring anti-abuse impact.

Qualifications

• Minimum 1+ year of related professional experience.
• Experience building and maintaining large-scale applications.
• Proficiency with PHP, JavaScript, or similar languages.
• Strong relational database knowledge.
• Solid understanding of security principles.
• Experience driving cross-team objectives.
• Ability to drive user and product impact.

Responsibilities

• Proactively develop and maintain tools to identify, mitigate, and prevent abuse across Wikimedia projects.
• Design privacy-conscious systems to detect abuse while minimizing false positives and protecting user anonymity.
• Adapt abuse detection strategies as browser privacy standards and platform architecture evolve.
• Collaborate with product managers, designers, and researchers to balance safety and freedom.
• Write resilient, maintainable code and high-quality software.
• Implement observability to ensure system quality and stability.
• Measure the impact of anti-abuse efforts across Wikimedia projects.

Skills

1+ year experience

Large-scale apps

PHP

JavaScript

Relational databases

Security fundamentals

Cross-team collaboration

User impact

Job description

The Wikimedia Foundation is seeking a software engineer to join the Product Safety and Integrity Team. You will work on tools to identify, mitigate, and prevent abuse across Wikimedia projects while designing privacy-conscious systems that respect user anonymity.

You will collaborate with product managers, designers, and researchers to balance safety with freedom, writing maintainable code and measuring anti-abuse impact.