Senior Software Engineer, MediaWiki Content Platform Team

Wikimedia Foundation · IT

Apply
Full TimeUS$116,633 to US$181,243 (US based)Posted Aug 27, 2026

Source: Wikimedia Foundation

AT A GLANCE
Eligibility
Not available
Category
IT
Salary
US$116,633 to US$181,243 (US based)
Employment
Full Time
Experience
Senior
Posted
Aug 27, 2026

This role’s source listing does not include Hungary as an eligible location.

The Wikimedia Foundation is hiring a Senior Software Engineer to join the MediaWiki Content Platform team in a remote-first capacity. The role focuses on evolving the wikitext markup language and associated web services for Wikipedia.

As a Senior Software Engineer, you will design and deliver improvements to the wikitext processing infrastructure while collaborating with a global team. The position requires navigating architectural trade-offs to support hundreds of languages and massive scale. Candidates must be based in specific approved countries and regions to ensure timezone alignment.

Why You’ll Love This Role

Remote-first organization
US salary range $116,633-$181,243
Senior level role
Open source contribution opportunity
GMT-4 to GMT+2 timezone preference

What You’ll Bring

5+ Years of related professional software engineering experience
Proven track record with parser generators, interpreters, language runtimes, or compilers
Experience owning complex technical projects from definition through implementation
Ability to work effectively across organizational boundaries and mentor other engineers
Proficiency in PHP and JavaScript for large-scale web applications
Strong engineering practices including unit testing and code review participation

What You’ll Get

Benefits not specified in the listing

About the Company

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and other free knowledge projects. The foundation hosts these projects and builds software experiences to support the volunteer communities that make free knowledge accessible to everyone globally.

Listing checked for remote eligibility · Posted Aug 27, 2026 · Wikimedia FoundationApply
Apply