wikimedia

Designs and builds accessible, culturally responsive learning experiences for global contributors to Wikimedia projects using modern tools and learning science.

A/B Testing Accessibility Adobe Creative Suite AI Analytics +4 skills

117K – 178K $

wikimedia

4 weeks ago

Senior Data Scientist, Safety & Security

Open 39d RemoteAfrica, APAC, Europe, LATAM, MENA, North America, UKFull-timeSenior

+14

Senior Data Scientist on Wikimedia's Product Analytics team shaping Wikipedia's anti-abuse and safety/security strategy. Day to day: designing metrics, running experiments, and analyzing large-scale data with SQL, Python/R, Spark, Hive/Presto/Druid, plus building dashboards with DBT, Airflow, and Superset.

AI Airflow Analytics Data Quality Data Visualization +10 skills

110K – 173K $

wikimedia

4 weeks ago

Senior Software Engineer, iOS (Contract)

Open 31d RemoteAfrica, APAC, Europe, LATAM, North America, UKContractSenior

+14

The Wikimedia Foundation is hiring a senior iOS engineer on a 3-month full-time contract for its App Growth team to improve the Wikipedia iOS app for a global, multilingual audience. Day-to-day work covers delivering features end-to-end, system design, performance optimization, testing, and observability using Swift, SwiftUI, and UIKit in a fully remote team.

Accessibility Agentic AI AI Android Data Science +11 skills

56 – 87 $ / hr

wikimedia

4 weeks ago

Lead Product Manager, Security

Open 67d RemoteWorldwideFull-timeLead

+15

Lead Product Manager for Wikimedia’s security team, shaping AI-driven product security strategy and culture to protect Wikipedia’s platform and users while collaborating with global volunteers and technical teams.

133K – 207K $

Open positions

Lead Learning Experience Designer

Senior Data Scientist, Safety & Security

Senior Software Engineer, iOS (Contract)

Lead Product Manager, Security