Senior Data Scientist

Company Description

Wix makes it possible for anyone to succeed online. Since 2006, we’ve grown to around 5,300 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, 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.

As a Senior Data Scientist in our Harmony Editor Company, you’ll focus on developing and improving our AI-based products & LLM-based multi-modal agent solutions which already run in production and serve tons of our users.  

In your day-to-day, you will:  

• Develop and enhance production-grade LLM-based agents  

• Apply generative AI models to improve Wix products' experience and efficiency  

• Collaborate with cross-functional teams to integrate AI solutions within existing frameworks  

• Mentor team members in AI techniques and best practices  

• Work very closely with R&D and Product teams  

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At Wix, we believe our best work happens together. Our work model is fully in person, with 5 days a week from our office. Flexibility remains a core value at Wix and special requests are handled thoughtfully at the team level. 

• 3+ years experience in Data Science with relevant exposure to generative AI projects  

• Proficiency with Large Language Models, including Prompt Engineering, advanced prompt techniques, Fine-Tuning, Automatic Evaluation, and Retrieval-Augmented Generation (RAG)  

• Demonstrated ability to implement scalable and maintainable end-to-end solutions  

• Proficiency in Python and experience with ML frameworks  

• Strong team player with great communication skills  

• Master's degree in Data Science, Computer Science, or related fields – an advantage 

We’re Wix’s Editor Team, helping over 200 million people build their professional websites while providing a great DIY experience. We work closely with PMs, developers, UX, content, designers, and marketers to create the best tools and products with the highest impact and value, ensuring people can build any site they want, and be proud of it.