Jobs at Wikimedia Foundation

The Senior Engineering Manager will lead a team in architecting and maintaining Wikimedia's data feeds, focusing on collaboration, technical strategy, team development, and budget management.

The Senior Software Engineer will enhance mobile Wikipedia experiences through web-first features, collaborate cross-functionally, and mentor team members while delivering API-driven solutions.

As a Senior Site Reliability Engineer, you will design, develop, and maintain reliable infrastructure for Wikimedia's API services, ensuring performance and availability while driving reliability engineering practices and improving developer experience.

The Senior Site Reliability Engineer is responsible for maintaining Wikimedia's infrastructure, improving reliability, automating processes, and collaborating with teams. The role involves troubleshooting, managing deployments, and leading incident responses while working remotely.

Lead community engagement and strategy for Wikimedia's social presence: develop community management playbooks and tone-of-voice, identify real-time cultural moments, surface volunteer stories, run experiments, and track engagement and sentiment to grow Gen Z-focused audiences across short-form platforms.

Lead a team of ~7 data scientists to deliver timely, accurate product analytics and experimentation insights; manage people, mentor staff, partner with product and engineering, and build accessible data products and measurement practices.

Provide in-house legal guidance to the Fundraising, Product, and Engineering teams, focusing on marketing, product development, and privacy regulations.

Serve as a strategic HR advisor delivering employee relations, talent management, organization design, performance management, and change leadership for global teams. Coach managers, mediate complex cases, conduct talent reviews and succession planning, and partner with HR Centers of Excellence to design and implement people solutions that improve engagement, retention, and productivity.

Create scroll-stopping social media content by researching topics, developing ideas, writing on-brand copy, and designing graphics and motion assets. Maintain content pipelines, design systems, and collaborate with social and brand teams to ensure platform-native, engaging visuals that align with Wikimedia's mission.

The Senior Software Engineer will design and maintain MediaWiki's backend components, ensuring quality and operational excellence across the platform while mentoring team members and aligning with WMF strategies.

Outbound-focused SDR responsible for prospecting enterprise accounts, booking qualified meetings, qualifying using MEDDIC, and handing leads to AEs. Run multi-touch outreach across email, phone, LinkedIn, and video, manage pipelines and automation in HubSpot, collaborate with product and solutions engineering, and feed market intelligence into GTM playbooks.

Build and maintain Wikimedia editing features (primarily VisualEditor). Fix bugs, implement new functionality, collaborate with cross-functional teams, write multilingual accessible performant code in JavaScript and PHP, instrument components, and work within the MediaWiki API ecosystem. Contribute tests and use version control in a distributed, open-source environment.

The Senior Data Scientist will integrate data from various sources, analyze web performance, and provide insights for strategic decision-making. Responsibilities include developing automated systems for content coverage, tracking metrics, and designing experiments to assess new initiatives' impact.

As a Senior Site Reliability Engineer, you will manage and improve Wikimedia's infrastructure, handle operational tasks, automate processes, and provide mentorship while participating in a 24/7 on-call rotation.

As a Software Engineer III, you will contribute to the App Growth and Moderator Tools teams, building web-first features, APIs, and improving user experiences while collaborating cross-functionally.