Backend Engineer for Channels at Wix

Tel Aviv, Tel-Aviv District, Israel -

Full Time

Start Date

Immediate

Expiry Date

28 Feb, 26

Salary

0.0

Posted On

30 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Backend Development, API Design, AI Products, Integration, OAuth2, SSO, Token Handling, Event-Driven Flows, Webhooks, Collaboration, Server Solution Design, Communication Skills, Large Language Models, Prompt Engineering, Fine-Tuning, Retrieval-Augmented Generation

Industry

Software Development

Description

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.

Responsibilities

Lead the development of AI-powered migration tools and design backend services and APIs for cross-platform user flows. Collaborate with various teams to modernize the Channels Platform and ensure stability and performance.