The Wikimedia Foundation is hiring a Staff Software Engineer, Infrastructure to develop the foundational systems that power Wikipedia and its sister projects. In this role, you will enhance MediaWiki's capabilities and optimize its performance, working within a mostly-remote, global team dedicated to the vision of free knowledge for all.
What You'll Do
- Build new infrastructure capabilities into MediaWiki.
- Profile, refactor, and optimize various parts of the infrastructure to enable new tools and empower feature development teams.
- Maintain pieces of infrastructure software.
- 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.
What We're Looking For
- 8+ years of related professional experience.
- Experience building and maintaining large-scale applications.
- Proficiency in PHP, Javascript, and relational databases.
- Experience in driving cross-team objectives.
- Experience in driving user and product impact.
- Demonstrated collaboration, humility, and a shared commitment to Wikimedia’s vision of free knowledge for all.
- Ability to communicate with clarity and empathy, both in synchronous and asynchronous settings.
Nice to Have
- A history of open source contributions.
- Familiarity with editing Wikipedia, Wikitext, Markdown, or using content management systems like MediaWiki, Drupal, or WordPress.
- A Bachelor's, master's, or doctorate degree in computer science, management information systems, or a STEM field (or an equivalent certification).
Technical Stack
- PHP
- Javascript
- Relational Databases
- MediaWiki
Team & Environment
You will join the Product Department, working collaboratively in a global, mostly-remote environment.
Benefits & Compensation
- Compensation ranges from US$134,133 to US$208,254 for US applicants, with adjustments made for other countries.
Work Mode
This is a global, mostly-remote position open to candidates in: Australia, Austria, Bangladesh, Belgium, Brazil, Canada, Colombia, Costa Rica, Croatia, Czech Republic, Denmark, Egypt, Estonia, Finland, France, Germany, Ghana, Greece, India, Indonesia, Ireland, Israel, Italy, Kenya, Mexico, Netherlands, Nigeria, Peru, Poland, Singapore, South Africa, Spain, Sweden, Switzerland, Uganda, United Kingdom, United States of America, and Uruguay.
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.



