Wikimedia Foundation paid internship (4 months, 40 hrs/week) starting late February 2027; fully remote (US hiring scope), with US hourly pay range US$34.32–$42.13. Interns are embedded in engineering teams (e.g., Mobile Apps, Editing, Data Platform, Release Engineering, Tools Infrastructure/Observability) and work on open-source projects with a manager and mentor. Applicants should have basic experience with at least one programming language (e.g., PHP, JavaScript, Python, Kotlin, Swift), databases, scripting, and/or SQL; the application deadline is November 20, 2026.

Remote (contract) Senior Software Engineer, Android to support App Experience and App Growth within Core Experiences. Responsibilities include delivering medium-complexity initiatives, system design, improving Android app experiences, ensuring quality/testing/observability, and cross-functional collaboration. Role requires at least four hours overlap between 15:00–21:00 UTC. Requires a bachelor's and 5+ years related experience; strong Kotlin, Jetpack Compose, XML and Android performance optimisation experience. Hiring is available in a specified list of countries (also multiple US states). A US compensation range is listed in the posting.

Wikimedia Foundation seeks a Senior Software Engineer, iOS on a 3-month full-time contract to work on the App Growth team. Responsibilities include delivering medium-complexity initiatives end-to-end, system design, improving the iOS Wikipedia app, instrumentation for observability, and cross-functional collaboration. Requires a bachelor's degree and 5+ years professional experience building iOS apps with strong proficiency in Swift, SwiftUI, and UIKit. Role is fully remote but requires at least four hours of each workday between 14:00 and 21:00 UTC. Hiring is currently open in a specified list of countries.