Wikimedia Foundation

Full-stack Engineer

• Help scale and sustain the Wikidata Query Service (WDQS) and related platform services
• Design, build, and maintain backend systems and APIs that power Wikidata’s query infrastructure
• Improve reliability, observability, and automation of the Wikidata Query Service and data pipelines
• Collaborate with SRE, data engineers, and product teams to ensure stability and scalability under growing usage
• Monitor production systems, respond to operational incidents, and proactively identify and resolve bottlenecks
• Support platform migrations and system upgrades (e.g., triple stores, streaming ingestion)
• Contribute to deployment automation, CI/CD workflows, and service instrumentation
• Participate in code reviews, design discussions, and technical planning
• Document systems and share knowledge with team members and Wikimedia’s broader technical community
• Work closely with technical and product leads to shape future of how the world queries and interacts with structured, linked data; ensure performance, reliability, and maintainability

Senior Software Engineer

Database Administrator

• Ensure the health and performance of Wikimedia’s production relational database systems, and the structural integrity of its data
• Deploy, maintain and troubleshoot relational database systems in production, development and staging environments
• Design, implement, manage and automate (multi-site) replication topologies
• Consult in the design of database schemas and queries, and implement/oversee database schema changes in production
• Monitor, debug and optimize database query performance
• Improve observability (alerting, metrics, monitoring) of database infrastructure
• Capacity and infrastructure planning, including (on-prem) bare-metal hardware
• Contribute to the automation of common database management workflows
• Enable the reliable generation and timely restoration of database backups
• Maintain relationships with the MariaDB upstream projects/organizations, and working with upstream developers on bug identification and resolution
• Participate in a 24/7 on-call rotation shared across the team - taking part in incident response, diagnosis and follow-up on system outages or alerts across Wikimedia’s production infrastructure.

Staff Database Administrator

Engineering Manager

• Overview: Wikimedia Foundation is building a privacy-preserving experimentation platform to enable data-driven decisions across products at global scale. The Experiment Platform Team is developing and maintaining infrastructure providing product teams with A/B testing, feature flags, and experiment analysis capabilities. This platform will enable 10+ product teams across the Wikimedia Foundation to test product decisions through privacy-preserving experimentation.
• Role: Engineering Manager for the Experiment Platform Team; lead a small high-performing team of engineers; shape architecture and capabilities; collaborate with product analytics, SRE, and data engineering to meet needs while maintaining privacy, reliability, and performance; translate product vision into technical roadmaps.
• Remote: Fully remote position; some travel 2–3 times a year for off-sites and events.
• Responsibilities: See detailed bullet list in job posting.
• Skills and Experience: 3+ years managing eng teams; architectural decision making; distributed systems; A/B testing; multi-stakeholder projects; open source; cloud and container orchestration; observability.
• Qualities: Contribute to knowledge equity, open access; experience working on remote/global teams.
• Additionally: Familiarity with MediaWiki or similar CMS; experimentation platforms; open source contributions; privacy-preserving analytics.

Engineering Manager, Experiment Platform

Customer Success Manager

• Work with technology, academic, and non-profit organizations to ensure they have access to Wikimedia content and help customers get the best from Wikimedia Enterprise products
• Work closely with the Customer Experience Program Lead in our Customer Success program, supporting all activities as needed
• Guide customers through onboarding, adoption, utilization, and contract renewals
• Put the customer first by responding to all customer requests within SLAs and SLOs
• Guide customers in getting their optimal outcomes from Enterprise products and services
• Proactively anticipate and communicate customer needs to the Engineering, Product, Growth, and Tech Partnerships teams
• Work with Product Managers and Engineering to troubleshoot and resolve customer issues
• Track the adoption and usage of our APIs for assigned accounts
• Help organize and monitor customer success-related documents and tasks across HubSpot, Phabricator, Zendesk, Asana, Slack, Gmail, Drive, and bespoke customer channels
• Act as a liaison between the on call engineer and the customer support team
• Support data-driven reporting and customer success metrics, retention, and satisfaction
• Support the Customer Experience Lead, Product Managers, and Engineers in helping the customer plan their future needs
• Communicate process improvement opportunities to the Operations Manager and Customer Experience Program Lead
• Collaborate with the Customer Experience Program Lead in evolving Customer Journey Playbooks

Customer Success Specialist

• Work in a mostly-remote environment valuing teamwork and close collaboration
• Build new infrastructure capabilities into MediaWiki
• Profile, refactor, and optimize parts of the infrastructure to enable new tools and feature development
• Maintain pieces of infrastructure software
• Write resilient, maintainable systems and high-quality code focused on long-term sustainability
• Implement observability to maintain high levels of quality and system stability
• Contribute to technology that powers Wikipedia and sister projects and protect free access to information for everyone

Staff Software Engineer, Infrastructure

Product Designer

• Reduce complexity to create simple, delightful experiences from Wikimedia projects.
• Create prototypes and run experiments to iteratively test hypotheses.
• Use and evolve design system and guidelines to create new features from ideas to implementation.
• Apply accessibility standards and guidelines to designs.
• Collaborate with product managers and engineers to create product plans and maintain product design processes.
• Distill complex concepts into easy to understand talking points to engage with readers and communities throughout the design process.
• Work actively with other leaders on product and design to help improve tactical and operational processes.
• Support the growth of colleagues by mentoring others within the team.

Lead UX Designer

Attorney

• The Foundation faces a myriad of legal issues ranging from complex copyright questions to international freedom of expression to mobile development to internal corporate compliance. Because of the wide array of legal issues, legal fellows will be assigned challenging projects based on their particular interests and strengths. These projects range from researching various legal questions to drafting licensing agreements to developing internal and external policies.\n• Each fellow will receive individualized projects that they will be expected to spearhead under the supervision and guidance of an attorney from the Legal Department.\n• Fellows will work closely with their supervising attorney - attending and participating in internal and external meetings, collaborating on projects, receiving feedback and support, and generally learning about the practical dimensions of practicing law in-house at a web-based company.\n• When the opportunity exists, the Legal Department will work with a fellow's university to facilitate earning academic credits and/or receiving funding for the fellow's time at the Wikimedia Foundation.

Legal Fellow

• The Wikimedia Foundation is a nonprofit organization supporting Wikipedia and other Wiki projects. The Foundation operates one of the world’s top five websites and has global reach and impact. Technology and innovation are critical in our quest to support every human in freely sharing knowledge.\n• The product design team is looking for a Senior UX Designer with a solid understanding of user experience and product development processes to work within our multi-disciplinary product teams. You will primarily be working with Wikimedia’s Community Tech team that is responsible for improving and evolving various editor, admin and moderator tools, based on wishes from the community. As a secondary responsibility, you will provide design support to the Product Safety & Integrity team who are focused on building anti-abuse tools and features that ensure the security and safety of users on Wikimedia projects. This role requires a fast learner and a tactical design partner of the product team to do multiple iterations of design based on quick user research and discovery.\n• Must be available for design, product and engineering team meetings and synchronous collaboration from 14:00 UTC and 18:00 UTC (10a-2p ET / 7a-11a PT).\n• You will be responsible for…\n • Reducing complexity to create simple, delightful experiences for our users.\n • Creating prototypes and running experiments to iteratively test your hypotheses.\n • Using and evolving our design system and guidelines, to create new features from ideas on paper to implementation.\n • Applying accessibility standards and guidelines to your designs.\n • Collaborating with product managers and engineers to create product plans and maintain product design processes.\n • Distilling complex concepts into easy to understand talking points to engage with our readers and communities throughout the design process.\n• Skills and experience…. The right person is better than the right set of experiences. These are the traits we’ve identified that make great additions to our team so far.\n• Can communicate their design goals and processes clearly and concisely to other team members and stakeholders.\n• Provides constructive feedback to other designers and welcomes feedback from others.\n• Experienced in conducting research, as well as collaborating with UX researchers, to build a deeper understanding of audience behaviors.\n• Is able to generate ideas for the future as well as think tactically about how to deliver work in the present. \u00a0\u00a0\n• Is self-motivated and seeks to evolve their skills and share what they’ve learnt with others.\n• 5+ years of experience contributing on design teams.\n• Bachelor\'s degree and/or Masters degree, or equivalent in related work experience  \n• Background in content consumption, publishing, education, or news\n• Experience acting as a researcher, both in-person and with remote participants\n• Have familiarity with Free Knowledge and/or Open Source communities\n• Speak more than one of the nearly 300 languages of the users you’ll be designing for