Marketing Systems Engineer – GTM, API, Migrations

We're a consulting company that helps entrepreneurs grow their online presence, and we're hiring a technical operator to own our marketing infrastructure end to end. This is NOT a campaign, content, or general VA role. You'll be in Google Tag Manager, API documentation, and webhook payloads most of the day. When tracking breaks, you're the person who finds out why and fixes it. WHAT YOU'LL OWN - CRM platform migrations - moving accounts between HubSpot, GoHighLevel, and similar systems without losing data or breaking automations - Google Tag Manager: container builds, custom event tags, dataLayer work, debugging misfires - Third-party API integrations and webhooks connecting our stack together - Light custom code (JavaScript, simple scripts) where no-code tools hit their limit - Zapier automations and the workflows built on top of them - Conversion tracking across websites and funnels - Meta pixels, Google Analytics, server-side where needed - Reporting dashboards that show what's actually working - Email automation and deliverability tracking - Auditing all of the above and fixing problems before anyone reports them REQUIREMENTS - Hands-on Google Tag Manager experience, including custom HTML tags and dataLayer - Real API integration experience - reading docs, authentication, field mapping, error handling - At least one CRM or platform migration you personally executed end to end - Comfortable writing JavaScript or scripts when a no-code tool won't do it - Strong Zapier and Google Sheets skills - Available 8am-5pm Eastern Time, Monday through Friday - Excellent written and spoken English NICE TO HAVE - GoHighLevel experience - HubSpot experience - Hyros or similar attribution platforms - Server-side tagging / Meta Conversions API - Looker Studio or equivalent DETAILS Full-time, approximately 40 hours per week, long-term. We start with a small paid trial project (10-15 hours) before the ongoing contract. TO APPLY Describe a tracking or integration problem you diagnosed and fixed. What was breaking, how did you find the cause, and what did you do about it? Applications without this will not be reviewed.