Senior Software Engineer – Editing

Wikimedia Foundation

We are the nonprofit that hosts @Wikipedia , working to create a world where every human can freely share in the sum of all knowledge. Join the movement.

Job Description

The Wikimedia Foundation is looking for a Senior Software Engineer to join the Editing team, reporting to product engineering management. As a product engineer, you will be responsible for building out the user-facing components for our product user experiences. In this role, you will work in a distributed environment, where we value teamwork and a consensus-oriented approach. As the Senior Software Engineer – Editing, you get to write open-source code for collaborative experiences supporting a worldwide top-ten website (over half a billion pages accessed per day), and you get to do it at a place that believes we’re all more successful when everyone has a good work-life balance.

On the Editing Team, we support new and experienced volunteers working in 300+ languages with the tools they need to keep Wikipedia accurate and up to date. The team’s main area of focus is the flagship VisualEditor, our industry-leading rich-text editor. We’re also working on DiscussionTools for on-wiki communication, and our new project, Edit Check, an edit suggestion system to support newcomers.

You are responsible for:

  • Improving Wikipedia’s contribution experience by building new functionality and fixing bugs
  • Collaborating with product managers, designers, and other teams on shared projects
  • Writing multilingual, accessible, and performant code using Javascript and PHP
  • Building on top of the rich and complex MediaWiki API ecosystem
  • Working with other engineers across teams to proactively reduce technical debt
  • Instrumenting components to monitor user behaviour and performance characteristics

Essentials:

Strong aptitude in algorithms and data structures is essential!

  • Proven ability to collaborate in a team
  • Experience in writing well-documented and maintainable code

Desirables:

  • 5+ years of related professional or open-source software engineering experience
  • Experience in Javascript, PHP or any similar language e.g. Python
  • Aptitude for writing unit and integration tests
  • Aptitude for addressing feedback from security review and code review
  • Aptitude for balancing architectural trade-offs

Qualities that are important to us:

  • A desire to make meaningful contributions to knowledge equity, free culture, and open access
  • An emphasis on communicating clearly in both synchronous and asynchronous channels
  • Interest in mentoring, teaching and sharing technical knowledge

Additionally, we’d love it if you have this:

  • Experience building a rich-text editor
  • Experience working with internationally distributed teams or organizations
  • A history of open-source contribution
  • A history of editing on Wikimedia projects
  • Experience working with large, legacy codebases
  • Bachelor’s degree in computer science or STEM field or equivalent experience

We’d love to hear from you — even if you don’t meet 100% of the criteria listed here. Most important is the aptitude to solve hard problems. Algorithms and data structures are extremely important in our products, so if you love working in this space, come and talk to us!

About the Wikimedia Foundation

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and 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.

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