Backend Engineer for Channels

Company Description

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.

Job Description

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

Qualifications

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

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.