Software Engineer III, Core Experiences

Role Description

The Wikimedia Foundation is looking for two Software Engineer III’s to join the App Growth and Moderator Tools Engineering teams within the Core Experiences engineering group.

App Growth

The App Growth team has a clear and ambitious goal: make the apps the destination for knowledge lovers and grow our active readership. As a web full stack mid-career Software Engineer III supporting the Mobile Apps teams you will:

• Build features that create natural handoffs from the web to the app.
• Prompt readers to try personalized reading lists in the app.
• Create games integrated within the apps as a webview.
• Ensure smooth handoffs to the web editing experience.

This role is focused on web-first product experiences, APIs, and platform integrations that can be reused across mobile web and native app surfaces.

To ensure there are enough opportunities to communicate, this role with the App Growth team needs at least four hours of your workday to occur between 14:00 UTC and 21:00 UTC.

Moderator Tools

On the Moderator Tools team, we build and improve tools for Wikimedia’s volunteer patrollers and administrators. Our focus right now is on:

• Exploring ideas for a centralized venue to identify moderator needs.
• Advancing a unified personal Dashboard that supports the full reader-to-new-editor-to-new-moderator journey.

As an engineer in the product and technology department, you will:

• Build out components for our product user experiences in the Dashboard and other projects.
• Work in a remote environment, valuing teamwork and a consensus-oriented approach.
• Write open-source code for collaborative experiences supporting over half a billion pages accessed per day.

To ensure there are enough opportunities to communicate, this role with the Moderator Tools needs at least four hours of your workday to occur between 14:00 UTC and 20:00 UTC.

Qualifications

• Bachelor's + at least 2 years or equivalent professional web application experience.
• Experience working with backend languages like PHP or Python and/or front end languages particularly with Javascript frameworks.
• A demonstrated ability to deliver testable, user-friendly features in a collaborative team environment.
• Experience building responsive or mobile-first web experiences.
• Experience converting design mockups into functional components.
• Experience building features with observability and testing in mind.
• Experience with incorporating performance and accessibility into features.
• Experience in writing well-documented and readable code.

Requirements

• Experience working in a fully remote, internationally distributed teams or organizations.
• Experience working with large, legacy codebases.
• A history of open source contributions.
• Prior experience with MediaWiki or Wikimedia projects.
• Familiarity with Wikipedia / wikitext / markdown editing or content management systems (e.g., MediaWiki, Drupal, WordPress).
• Some experience with data science, machine learning, and/or AI (e.g., familiarity with prompt engineering, Jupyter notebooks experience, etc.).
• Experience in launching and maintaining mobile applications, cross platform app frameworks, or building webview-wrapped experiences in native mobile apps (for App Growth).
• Experience building mobile games or other interactive experiences (for App Growth).
• Experience with at least one Python framework, such as Django or Tornado (for Moderator Tools).

Benefits

• Competitive and equitable salaries.
• Remote-first organization with staff members in 40+ countries.
• Supportive work environment that values diversity and inclusion.