Senior Data Scientist jobs at Wix in Israel, Tel Aviv-yafo

• Own the design of data models that transform raw data into actionable insights, and define their strategic use to inform decisions that fuel growth and optimize marketing strategies

• Leverage technical skills to work with vast amounts of data, establish measurement frameworks, and analyze results to align activities with north star objectives and identify areas for growth

• Conduct funnel and behavioral analyses, research key metrics, and extract actionable insights to enhance user journeys and uncover new opportunities

• Collaborate with teams across Marketing and Wix to understand business needs, translate them into data solutions, and align efforts with strategic goals

• Create and execute A/B tests, evaluate results with statistical rigor, and provide deeper insights from detailed analysis to inform ongoing optimization

• Build automated tools, design dashboards, and empower stakeholders to track and understand key metrics, making data both accessible and actionable for strategic decision-making

As a Senior Backend Engineer, you’ll join a growing global team at Wix, shaping the future of eCommerce. You’ll develop and maintain the core selling and order management capabilities for all Wix verticals. Working in a highly distributed, cutting-edge environment, you’ll play a central role in building scalable, resilient systems that handle millions of requests per minute.

• Build and maintain backend systems to process 1.5 million API requests and 400,000 events per minute
• Design, implement and optimize scalable and resilient systems with an API-first approach
• Solve high-scale technical challenges in a distributed microservices environment (~100 microservices)
• Collaborate with cross-functional teams to ensure seamless integration and functionality across the platform
• Lead technical initiatives to improve system performance, reliability and scalability
• Mentor and guide junior engineers to help them reach their full potential
• Write clean, test-driven code, ensuring high-quality deployments to production for millions of users

As a FinOps Engineer, you will be responsible for managing and optimizing the financial aspects of our cloud computing operations. You will work closely with the CFO and VP of R&D to ensure cost efficiency, budget adherence, and financial transparency across our cloud services. The ideal candidate will have a strong technical background, hands-on experience with cloud platforms, and a solid understanding of financial principles.

• Work directly with different external hosting providers to manage hosting costs
• Manage and monitor cost visibility for multi-data center architecture in a large-scale, multi-cloud environment
• Work with financial teams on production-related budgets, forecasts, and expense reports
• Create financial models to calculate TCO of new projects
• Create financial and usage dashboards, as well as frameworks for efficiency & costs
• Partner with the development, support and devops teams to encourage financial responsibility
• Stay updated on industry trends and best practices in cloud cost optimization and FinOps methodologies

• Collaborate on the development and integration of AI-driven features, leveraging the latest advancements in LLM and NLP

• Conduct research and experiments to explore innovative AI methodologies and incorporate cutting-edge models into customer care products

• Take responsibility for the entire lifecycle of feature developments, from initial discussions with product teams, defining requirements and providing estimates, to actual coding in collaboration with the team, monitoring performance and delivering robust solutions to end-users

• Optimize system performance, reliability and stability, making sure our service remains seamless and accessible

• Participate in technical discussions to improve existing architecture and developer experience

• Work on cutting-edge technologies and become an industry leader.
• Improve your skills and learn from top-notch engineers.
• Tackle tough problems and find creative ways to solve them.
• Push your code to millions of users every day.
• Solve hard problems in a simple way using TDD and clean code.
• Influence the developer community.
• Contribute to the OSS community.

As an engineer in the Bazel team, you’ll:

• Build and maintain tooling that helps our developers build and deliver code faster

• Build, and maintain highly scalable backend services providing unique CI/CD experiences to support Wix’s backend code.

• Work as a part of the Bazel OSS community, participate in discussions and workgroups and help shape itself

We are looking for a Senior Software Engineer with a strong background in modern web technologies to play a crucial role in shaping the future of Wix’s frontend architecture. In this role, you will develop high-performance, scalable, and maintainable web applications for rendering sites on our next-generation platform. A key aspect of this role is to leverage emerging technologies, including AI, to enhance both engineering productivity and the AI-driven optimization of platform output. In your day-to-day you will:

• Impact hundreds of millions of users with our platform that is responsible for rendering all Wix users' websites

• Design, develop and maintain scalable and performant web applications

• Explore and integrate AI tools to streamline development, automate tasks and improve code quality

• Research and implement cutting-edge web technologies, with a focus on solutions to boost performance, scalability, maintainability, and AI-driven output optimization

• Contribute to the development of our next-generation web platform, focusing on building an architecture that effectively supports advanced technologies