Senior Software Engineer (Product Infrastructure)
Wikimedia Foundation, Inc.


We’re looking for a full-stack software engineer who can build amazing technology that serves over half a billion pages per day. Are you ready to write open-source code that powers one of the most popular websites in the world?


  • Create and maintain scalable, performant, well-designed services to expose content and business logic for our Product teams

  • Author readable, well tested, performant and maintainable code to support the Wikipedia experience

  • Review and discuss code from your colleagues and volunteers

  • Collaborate with engineers across the Product and Technology departments to determine our infrastructural needs

  • Write specifications for technical projects based on product and engineering use cases

  • Mentor other engineers and advocate for best engineering practices

  • Maintain a suite of APIs and software components used by our Product teams

Skills and experience:

  • Bachelor's or master's degree in computer science, management information systems, or STEM field; or equivalent professional experience

  • 5+ years related professional experience

  • Technical leadership, including involvement in the definition of software architecture

  • 3+ years of experience developing scalable web services

  • 1+ year of experience utilizing scalable persistence

Qualities that are important to us:

  • You are not scared to dive in and change code you did not write

  • Empathy for your users and collaborators

  • Ability to communicate ideas clearly

  • A love for open knowledge and open source

Additionally, we’d love it if you have:

  • Experience evolving and improving working code

  • API design and architecture skills

  • Familiarity with HTML5, CSS, and modern web standards

  • Experience with technologies like PHP, Node.js, Express.js, Python, Puppet, Docker, MySQL, Postgres, etc.

  • Experience working in a Linux server environment

  • Experience using CI tools like Jenkins

  • A history of open source contribution

  • Specialized knowledge in parsing HTML and semi-structured documents

The Wikimedia Foundation is... 

...the nonprofit organization that hosts and 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, free of interference. We host 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 financial support 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.

The Wikimedia Foundation is an equal opportunity employer, and we encourage people with a diverse range of backgrounds to apply

U.S. Benefits & Perks*

  • Fully paid medical, dental and vision coverage for employees and their eligible families (yes, fully paid premiums!)

  • The Wellness Program provides reimbursement for mind, body and soul activities such as fitness memberships, baby sitting, continuing education and much more

  • The 401(k) retirement plan offers matched contributions at 4% of annual salary

  • Flexible and generous time off - vacation, sick and volunteer days, plus 19 paid holidays - including the last week of the year.

  • Family friendly! 100% paid new parent leave for seven weeks plus an additional five weeks for pregnancy, flexible options to phase back in after leave, fully equipped lactation room.

  • For those emergency moments - long and short term disability, life insurance (2x salary) and an employee assistance program

  • Pre-tax savings plans for health care, child care, elder care, public transportation and parking expenses

  • Telecommuting and flexible work schedules available

  • Appropriate fuel for thinking and coding (aka, a pantry full of treats) and monthly massages to help staff relax

  • Great colleagues - diverse staff and contractors speaking dozens of languages from around the world, fantastic intellectual discourse, mission-driven and intensely passionate people

*Eligible international workers' benefits are specific to their location and dependent on their employer of record

More information

WMFBlogWikimedia 203Wikimedia Medium Term PlanDiversity and inclusion information for Wikimedia workers, by the numbersWikimania 2019Annual Report - 2017 This is Wikimedia Foundation Facts MatterOur ProjectsFundraising Report

Posted about 1 year ago