Technical SEO Specialist (Contractor)

Meet Domaine, the world's largest independent Shopify design and development partner, formed by the union of Half Helix and Tomorrow. We are a team of commerce experts dedicated to creating, building, and growing beloved brands. As pioneers and not just participants in our industry, we are inspired to write, break, and re\-write the rules for a new generation of commerce. We're seeking a Technical SEO Specialist to support and scale Domaine's SEO practice. This role reports directly to the SEO Director and works closely with Strategy, Engineering, Design, and Content teams. This is a contract role with a minimum commitment of 20 hours per week to start, with the opportunity to scale hours based on business and client needs. This role is hands\-on technical. You'll work with both on on\-page technical work and replatforming and migration projects — from pre\-migration audits and URL mapping through redirect strategy, post\-launch QA, and performance recovery. While strong fundamentals across on\-page SEO and content strategy are expected, the primary emphasis is on technical SEO execution and protecting (or accelerating) organic performance through change. **Responsibilities** ==================== **Migrations \& Replatforming** ------------------------------- * Lead the SEO workstream on site migrations: replatforming, domain changes, URL restructures, IA overhauls, design system rollouts, and CMS/PIM transitions * Run pre\-migration baselines: full crawls, log file analysis, indexable page inventories, top\-traffic and top\-revenue page snapshots, backlink profile capture * Build and QA redirect maps (1:1 where possible, intent\-matched where not), partnering with engineering on implementation and edge cases (parameters, faceted URLs, pagination, locale paths) * Author migration runbooks with risk assessments, go/no\-go checklists, staging QA protocols, and rollback criteria * Lead post\-launch validation: indexation monitoring, redirect health, render parity, schema parity, internal link integrity, Core Web Vitals regression checks * Diagnose and recover traffic in the event of post\-migration drops; build the recovery roadmap **Technical SEO Foundations** ----------------------------- * Conduct technical audits across crawlability, indexability, rendering, site architecture, internal linking, canonicalization, and structured data * Create presentations with audit data to review the findings with clients * Diagnose JavaScript rendering issues (CSR vs SSR vs SSG, hydration, lazy\-loaded content) and partner with engineering on fixes * Own Core Web Vitals strategy in partnership with engineering — LCP, INP, CLS — including diagnosis, prioritization, and verification * Implement and validate Schema.org JSON\-LD across product, collection, article, FAQ, breadcrumb, and organization types * Manage XML sitemaps, LLM.txt, robots.txt, hreflang, canonical strategy, and pagination handling * Run log file analysis to understand crawl behavi