Software Engineer III, Product Safety & Integrity

Summary The Wikimedia Foundation is looking for a software engineer to join the Product Safety and Integrity Team. Engineers at the Wikimedia Foundation get to work on technology that truly makes a global impact — powering Wikipedia and its sister projects, which serve billions of pageviews every month across hundreds of languages. It is a rare opportunity to contribute to one of the largest knowledge-sharing platforms in the world, and to help protect free access to information for everyone, everywhere. 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 beUTC - 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 Wikimedia92s 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

About the Wikimedia Foundation

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge. We believe that everyone has the potential to contribute something to our shared knowledge, and that everyone should be able to access that knowledge freely. We host Wikipedia and the Wikimedia projects, build software experiences for reading, contributing, and sharing Wikimedia content, support the volunteer communities and partners who make Wikimedia possible, and advocate for policies that enable Wikimedia and free knowledge to thrive. The Wikimedia Foundation is a charitable, not-for-profit organization that relies on donations. We receive donations from millions of individuals around the world, with an average donation of about $15. We also receive donations through institutional grants and gifts. The Wikimedia Foundation is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA. *As an equal opportunity employer, the Wikimedia Foundation values having a diverse workforce and continuously strives to maintain an inclusive and equitable workplace. We encourage people with a diverse range of backgrounds to apply. We do not discriminate against any person based upon their race, traits historically associated with race, religion, color, national origin, sex, pregnancy or related medical conditions, parental status, sexual orientation, gender identity, gender expression, age,status as a protected veteran,status as an individual with a disability ,genetic information ,or any other legally protected characteristics .* The Wikimedia Foundation is a remote-first organization with staff members including contractors based 40+ countries* . Salaries at the Wikimedia Foundation are set in a way that is competitive,equitable,and consistent with our valuesand culture . The anticipated annual pay range of this position for applicants based withinthe United Statesis US$92 ,267to US$144 ,201with multiple individualized factors including costof livingin the location being determinantsof offered pay . For applicants located outsideof US,the pay range will be adjustedto countryof hire . We neither askfor nor take into consideration salary historyof applicants . The compensationfor successful applicantwill bebasedon their skills ,experienceand location . *Please note that we are currently ableto hirein following:* US States: Arizona ,California ,Colorado ,Connecticut,Districtof Columbia, Florida Georgia Idaho Illinois Indiana Iowa Maryland Massachusetts Michigan Minnesota Missouri New Jersey New Mexico New York North Carolina Ohio Oklahoma Oregon Pennsylvania Puerto Rico, Rhode Island Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming (US Territory or Federal District) *Countries: Brazil Canada Colombia France Germany Ghana India Indonesia Italy Kenya* Mexico Morocco Netherlands Poland Singapore* South Africa Spain Switzerland United Kingdom Our non-US employees are hired through local third party Employerof Record (EOR)and must have current work authorizationin their location (citizens/permanent residents only) We periodically review this listto streamline alignmentwith hiring requirements. All applicants can reach outto their recruiterto understand more about specific pay range during interview process. If you are qualified applicant requiring assistance or accommodation due disability during application process you may contact us at recruiting@wikimedia.org or +1 (415)839 -6885 .*