Applied Data Scientist (LLM & Agentic Systems)

About the Position

Join our Chatbot team and help shape the future of AI-powered customer care at Wix. As an Applied Data Scientist (LLM & Agentic Systems), you’ll lead features end to end-from framing the customer problem and researching potential solutions to designing, building, deploying, and iterating on production systems. You’ll work at the intersection of data science, AI research, and software engineering to deliver reliable capabilities that create measurable value for users and the business.

Responsibilities

• Define customer-care problems, success metrics, and evaluation strategies using data and user insights
• Design, develop, and integrate AI capabilities using LLMs, NLP, retrieval, agents, and related technologies
• Conduct research and experiments to identify effective approaches to real customer-care challenges
• Lead feature development end to end: define requirements, estimate scope, design the solution, write production-quality code, integrate with existing systems, deploy, monitor, and iterate based on real-world performance

Requirements

• Hands-on experience applying data science and machine learning to real-world problems, including taking solutions from experimentation into production
• Experience with Generative AI, including context engineering, retrieval, automatic evaluation, agentic systems, or comparable applications
• Strong Python and SQL skills, with experience writing production-quality code, working with machine learning frameworks, and building reliable data or AI systems
• Strong understanding of statistics, machine learning, AI fundamentals, and software engineering principles, including testing, version control, code review, maintainability, and observability
• Ability to work independently on ambiguous problems, communicate clearly, and collaborate effectively with product and engineering teams
• Experience with open-source LLM fine-tuning, model evaluation, or production monitoring is an advantage

About the Team

Our mission on the Chatbot team is to make the Customer Care Chatbot a trusted, actionable assistant throughout every user’s Wix journey. By understanding context and leveraging Wix’s knowledge base, the chatbot helps users navigate Wix, resolve issues, and take the right next steps – turning conversations into meaningful action.

About Wix

Wix makes it possible for anyone to succeed online.

Since 2006, we've grown to around 4,400 employees in 22 countries, launched over 40 products, and serve over 299 million users and their visitors worldwide.

At Wix, we push you to innovate and evolve in non-traditional ways. We operate in collaborative, high-performing teams, building cutting-edge products and leveraging AI to redefine how our users create, manage and grow their dreams online.

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 company. 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.