RE
Relay Commerce· HQ in United States

Senior JavaScript Engineer

Location: Lisbon · Category: Engineering & Development · Seniority: Senior · Posted: September 14, 2026 · Verified: Oct 7, 2026

Role Overview & Description

This primarily back-end role (70%) designs and evolves TypeScript services powering personalized replenishment, cross-sell, and subscription offers for Shopify stores. The engineer owns features end-to-end, from architecture to production monitoring, and uses AI agents like Claude Code and Codex to accelerate delivery, with some React front-end work (30%).
Hiring Telemetry · Expansion Signal

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Source & Transparency: This position was structured directly from the publicly accessible career portal of Relay Commerce. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.
Company IntelligenceVerified Profile
RE

Relay Commerce

relaycommerce.io

Commerce SaaS suite for merchant conversion, retention and subscriptions.

Headquarters: United States

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