Statement of PurposeThe Wikimedia Foundation is looking for an experienced Software Engineer to support a project in the product department on a temporary basis for a period of 8-10 weeks. This role is an hourly paid position, with payments structured around pre-determined milestones to ensure clear expectations and progress tracking.Scope of WorkThe engineer will support our “New Engagement Experiments“ effort, reporting to product design management.You will collaborate with product design, communications, and other engineers – building and deploying software experiments that explore ways to invite more interaction and learning with Wikipedia content.The focus of this work will be a time limited ‘daily play’ web-based game, utilizing Wikipedia content.Key ResponsibilitiesActing as a thought-partner on a small cross-functional teamDeveloping highly interactive experimental solutions for mobile webWorking independently with minimal engineering supportUsing third-party and Wikimedia APIsStaying informed about new technologies and platformsInstrumenting components for monitoring and analysisRecommending improvements to R&D infrastructureCollaborating with design and engineering teamsDeliverablesSpecific deliverables and timelines for these deliverables will be defined by the Project lead at the start of the contract. Outcome and Performance standardsThis work will be overseen by a Design Manager, who will be responsible for reviewing the deliverables and ensuring they meet our standards.RequirementsThe ideal candidate should have:5-8+ years of professional software development experienceExperience with cross-functional teams and new product developmentAbility to work in a self-driven, lean environmentQuick adaptability to new codebases and technologiesExperience integrating third-party API servicesMobile web  development skills, including frontend frameworks (Vue.js or React), as well as API development and integration.Additional desired qualities include:Strong belief in Wikimedia's principles of using technology ethicallyWillingness to iterate quickly and pivot strategicallyBackground in mobile game development Clear communication skills in both synchronous and asynchronous channelsCloud environment experience (preferred)Open source contribution history (preferred)RemunerationThe Wikimedia Foundation is a remote-first organization with staff members including contractors based 40+ countries*. Salaries at the Wikimedia Foundation are set in a way that is competitive, equitable, and consistent with our values and culture.The anticipated annual pay range of this position for applicants based within the United States is US$52/hour  to US$75/hour with multiple individualized factors, including cost of living in the location, being the determinants of the offered pay.For applicants located outside of the US, the pay range will be adjusted to the country of hire. We neither ask for nor take into consideration the salary history of applicants.The compensation for a successful applicant will be based on their skills, experience and location.