
Senior GTM Copywriter (Cold Email)
- Remote
- Sofia, Sofia (stolitsa), Bulgaria
Job description
We’re one of the fastest-growing GTM agencies working with B2B startups across the US, UK, and EU.
We’re looking for a Senior GTM Copywriter who understands that good writing is nice - but performance is what matters.
If you care about reply rates, booked meetings, and pipeline - keep reading.
Job requirements
What You’ll Do
Write cold email sequences across SaaS, FinTech, HRTech, M&A, DevTools, and more
Develop angles, hooks, and positioning that actually cut through inbox noise
Work closely with GTM specialists to align copy with targeting and offer
Run structured A/B tests (subject lines, CTAs, tone, structure)
Iterate based on data - not opinions
Use Clay for personalization logic and workflow support
Improve and build AI workflows that speed up research, ideation, and testing
Lead and mentor our copy team (currently 2 writers)
This is a senior role. We expect ownership.
What We Expect
2+ years writing cold email (mandatory - not general copywriting)
You understand outbound metrics: reply rate, positive rate, meeting rate, pipeline
You use AI tools daily and know how to push them properly
You’ve done prompt engineering and know how to refine outputs
You’re comfortable with Clay (or similar outbound automation tools)
Strong, natural English writing
You’ve managed people before - and can give feedback clearly
Bonus If You
Have built workflows in n8n / Make / Zapier
Previously worked as a GTM Engineer or outbound specialist
Know tools like Apollo, Instantly, Smartlead, RB2B, BuiltWith
Think in systems, not just sentences
What You Get
Fully remote
Competitive salary + performance bonus
Access to serious outbound + AI tooling
A team that moves fast and tests constantly
No corporate layers, no politics
You’ll work directly with people who understand GTM and expect high standards.
How to Apply
Apply here or send your CV + 2-3 cold email examples to people@hypergen.io. If you have examples with results - even better.
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