Backend Engineer - Channels

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  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. Wix Channels builds the technology that powers Wix’s largest strategic partnerships. Our mission is to create a robust, integration-friendly platform that enables partners to connect to Wix smoothly and deliver high-impact experiences to millions of businesses. We own everything from cross-platform creation funnels, post-creation guidance, POS-first onboarding, account creation and identity flows, to deep API and webhook integrations across partner ecosystems. Your work will directly shape Wix’s 2026–2027 Channels strategy.