Senior AI Research Engineer

Company DescriptionWix makes it possible for anyone to succeed online. Since 2006, we’ve grown to around 5,500 employees in 22 countries, launched over 40 products, and serve over 243 million users and their visitors worldwide. At Wix, we push you to innovate, evolve in non-traditional ways, and collaborate. We operate in small teams that work closely together at a high level.Although we’re already industry leaders in web creation and business, our work is nowhere near done. Our goal is to become the main engine of the Internet so we can create a more open web for all.We're proud to be an equal opportunity employer. Wix was built around the idea that everyone has the right to be successful, online. This same vision defines us as an employer: creating a work environment where everyone is welcome, and anyone has the right to succeed.Job DescriptionWe’re looking for a talented researcher for the Data Science group, to help us develop advanced AI solutions that will empower impactful projects across Wix. The Data Science group leads the AI research and innovation efforts of the company, and is focused on pushing AI boundaries to enhance the product, optimize processes, and deliver personalized experiences.Conduct advanced research that will impact 250M+ usersLeverage the latest advancements in LLM customization, knowledge representation, and conversational AIBuild horizontal AI capabilities to be used across WixClosely collaborate with other internal departments to drive impactful data-driven projectsQualifications5+ years in Data Science, with experience in managing full-cycle projects from initial concept to production deploymentComprehensive understanding of Machine Learning and Deep Learning principles and techniques, with hands-on experienceSpecialized expertise in Natural Language Processing (Transformers, LLMs)Ability to write production-ready codeExperience with Generative AI, for example: Prompt Engineering, Automatic Evaluation, Retrieval-Augmented Generation (RAG) and open-source LLMs Fine-Tuning – an advantageA MSc or PhD in Computer Science, Data Science, Statistics, Mathematics or a related field, or publications and talks at leading conferences – an advantageAdditional InformationWe are Wix’s Data Science Guild. We leverage the power of data to impact our products and business plans. We provide C-level management with strategic analysis to support data-driven decision-making. As Data Scientists, we partner with Product, Finance, Investor Relations, Marketing, Business, and Data to improve Wix’s business results and growth.