Freelance GTM Engineer - HubSpot & Automation

Carbonfact; United States; Remote; USD 55,000 - 96,000; Part time

Job summary

Carbonfact is seeking a freelance GTM Engineer to optimize marketing and sales systems, primarily HubSpot, data workflows, lead routing, and AI tools. You will collaborate with the Campaign and BDR Manager, Marketing Director and Head of Sales to build scalable automations, data enrichment, and signal-based prospecting.

You should have 2+ years in a GTM/RevOps role, hands-on HubSpot and Clay experience, and be comfortable with API integrations and LinkedIn outreach tooling, working remotely on a

Qualifications

• 2+ years in GTM, RevOps or marketing ops at a B2B SaaS company.
• Hands-on HubSpot admin experience (workflows, lists, lead assignment, data cleanup) and Clay enrichment.
• Experience building automations with n8n, Make or Zapier and working with APIs/webhooks.
• Working knowledge of email deliverability and LinkedIn outreach tooling.
• Ability to work independently on a part-time schedule and communicate in fluent English.

Responsibilities

• HubSpot admin and data quality: automate accounts, contacts, segments, lists, deliverability improvements.
• Lead management and routing: maintain inbound workflows, lead assignment, owner matching, and scoring criteria.
• GTM automation and AI tooling: build AI workflows, automations, and signals-based prospecting; manage LinkedIn outreach campaigns.

Skills

GTM engineering

RevOps

Marketing ops

Tools

HubSpot

Clay

n8n

Zapier

Make

APIs & webhooks

LinkedIn outreach tools

Job description

Carbonfact is seeking a freelance GTM Engineer to optimize marketing and sales systems, primarily HubSpot, data workflows, lead routing, and AI tools. You will collaborate with the Campaign and BDR Manager, Marketing Director and Head of Sales to build scalable automations, data enrichment, and signal-based prospecting.

You should have 2+ years in a GTM/RevOps role, hands-on HubSpot and Clay experience, and be comfortable with API integrations and LinkedIn outreach tooling, working remotely on a