Wikimedia Foundation - United States, IT - Software Development

Join the Wikimedia Foundation as an Email Developer (Fundraising) in San Francisco. You'll code multilingual HTML emails for global campaigns, leveraging A/B testing to optimize donor engagement across 15 million contacts. Requires 1+ years of HTML email experience, CSS proficiency, and strong QA...

Senior Site Reliability Engineer needed to support Wikipedia’s global top-10 infrastructure. You’ll automate operations using Puppet, Kubernetes, and Python, ensuring security and scalability for millions of users. Requires 6+ years in SRE/DevOps, Linux expertise, and incident response skills. Jo...

Senior Data Scientist role bridging complex datasets and strategic action for Wikimedia Foundation. Leverage Python, SQL, and tools like Hive, Spark, and Superset to analyze web analytics, search trends, and content visibility. Based in the United States, you’ll integrate data from Google Search ...

Lead finance systems transformation as Sr. Manager, ERP Systems & Transformation at Wikimedia Foundation. Drive a 3-year roadmap, automate workflows, and integrate AI into the global digital ecosystem. Requires 10+ years in ERP implementation, US GAAP expertise, and cross-functional leadership. R...

Join Wikimedia as a Software Engineer III on the Core Experiences team, building features that bridge web and mobile apps for millions of users. You’ll work remotely in the US, using PHP, Python, or JavaScript to create user-friendly, testable, and accessible experiences. Ideal for mid-career eng...

Senior Software Engineer, Core Experiences – Join Wikimedia’s App Growth team to build web-first features that bridge mobile web and native apps. You’ll drive full-stack development with JavaScript/TypeScript, Vue.js or React, and backend languages like PHP or Python. This remote US role focuses ...

Join the Wikimedia Foundation as a Senior Software Engineer on the MediaWiki Platform team. You will enhance the core open-source platform powering Wikipedia, focusing on performance, scalability, and reliability. We seek backend engineering expertise, strong system design skills, and experience ...

Senior UX Researcher (3-month contract) needed to lead mixed-method research for Wikipedia. You will drive end-to-end quantitative and qualitative studies, delivering actionable insights to improve global user experiences. Requires 5+ years of UX research expertise, statistical analysis, and coll...

Senior Product Manager (Contract) needed for Wikimedia’s Connection Team to cover parental leave. Lead cross-functional teams to build features that motivate and connect Wikipedia’s global volunteer community. Requires 5+ years of PM experience with user-facing consumer web products. Fully remote...

Senior Product Manager, Mobile Apps – 6-month contract with Wikimedia. Lead product development for Wikipedia’s Android and iOS apps, serving 1B+ monthly users. Requires 5+ years PM experience, 3+ years in mobile-first environments, and a track record of launching features in large-scale consumer...

Join the Wikimedia Foundation as a Senior Fundraising Data & Analytics Analyst. In this remote US contractor role, you'll analyze global campaigns and build predictive models to optimize donor strategy. Leverage your expertise in SQL, Python, and BI tools to deliver insights that support Wikipedi...

Join the Wikimedia Foundation as a Senior Site Reliability Engineer. You will ensure the reliability and scalability of Wikipedia's global infrastructure using Python, Puppet, and Linux. This remote US role involves automation, on-call rotation, and collaborating with product teams to support our...