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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.

Lead and execute multi-channel donor acquisition, retention, upgrade, and reactivation initiatives. Design donor journeys, manage segmentation and campaign execution across email, direct mail, SMS and paid channels, track KPIs, forecast and report on ROI, and collaborate with product, data, and agency partners to grow donor lifetime value and engagement.

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.

Build and operate backend and platform services for the Wikidata Query Service and related data pipelines. Improve reliability, scalability, observability, and automation; respond to incidents; support migrations and deployments; integrate with other Wikimedia systems; participate in design, code review, documentation, and knowledge sharing.

Design, build, and maintain backend systems and APIs for the Wikidata Query Service. Improve reliability, observability, automation, and scalability; monitor production, respond to incidents, support migrations, and collaborate across SRE, data, and product teams.

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.

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.

Serve as Finance Business Partner for Communications, Marketing, and other teams. Lead budgeting, forecasting, long-term planning, and financial modeling. Produce reports, KPI and variance analysis, present insights to leadership, improve planning/reporting processes, and support cross-team strategic financial projects.

Lead strategic alignment, design, delivery, and evaluation of the Community Wishlist program portfolio. Drive cross-functional coordination, resolve dependencies and risks, manage budgets and vendors, set metrics, conduct capacity planning, and report outcomes. Build relationships with community members and stakeholders to translate requests into measurable impact.

Support online fundraising campaigns by editing web files (HTML/CSS), implementing banner tests in CentralNotice, managing QA and cross-browser checks, coordinating with Revenue Specialists, linguists, and designers, and maintaining Asana workflows to ensure campaign delivery across multiple countries and languages.