Backend Engineer - Channels

Job Description

As a Backend Engineer for the Channels team, you'll play a crucial role in developing and maintaining the technology that drives Wix’s largest strategic partnerships. Your work will directly shape Wix’s 2026–2027 Channels strategy as you design and implement robust, integration-friendly platforms and tools.

• Lead the development of intelligent, AI-powered migration tools that analyze, interpret, and recreate external websites inside Wix
• Design and develop backend services and APIs that power cross-platform user flows between Wix and major partners
• Implement scalable, secure integration layers (e.g., OAuth2 flows, JIT account creation, SSO, token handling, and cross-platform authentication)
• Build and maintain event-driven flows and webhooks (e.g., site created, product imported, account linked/unlinked)
• Contribute to the modernization of the Channels Platform, focusing on stability, performance, observability, and integration depth
• Collaborate closely with Product, FE, Data, ML, and partner engineering teams to design durable, real-world solutions
  
  

• 4+ years of experience as a server engineer
• At least 1 year of experience developing advanced AI products, including implementing and integrating GenAI models (especially LLMs) into production systems
• Proven ability in server solution design, API design, and leading technical discussions
• Strong understanding of business objectives with the ability to translate them into actionable technical tasks
• Excellent communication skills in both Hebrew and English
• Experience with Large Language Models, including prompt engineering, fine-tuning, automatic evaluation, and Retrieval-Augmented Generation (RAG) – an advantage