Cold Email to CTOs for DevTools: 58% Open, 7.4% Reply Rate
Engineered for founders and growth operators selling into CTOs & VPs of Engineering (Series A-C).
58% – 68%
Average Open Rate
7.4%
Average Reply Rate
4.2%
Positive Reply Rate
1. The High-Converting Copy Diff (Before vs After)
Notice how the red text wastes tokens on corporate pleasantries, while the green text introduces an immediate quantitative trigger and permission-based CTA.
- Dear {FirstName}, I hope this email finds you well. We have developed a state-of-the-art AI cloud platform that helps engineering teams optimize their infrastructure costs and streamline deployments...
+ Hey {FirstName} — noticed your team just scaled {repo_name} to Kubernetes on AWS. Most Series A engineering teams see compute bills spike 40% after month 3 due to uncollected idle pods. We built a 1-line CLI that auto-terminates zombie workers. Open to a 3-minute Loom video showing your team's exact cluster?2. Tested Subject Line Variations
quick question re: {tech_stack} deployment lag{repo_name} build times vs worker pod costssolving idle worker timeouts for {company_name}
3. 7-Day Follow-up Cadence
Day 1 — Personalized Initial Email:
Under 65 words. Zero attachments or tracking links.
Day 3 — Loom / 1-Sentence Bump:
Share a 45-second screen recording analyzing their public GitHub repo.
Day 7 — Breakup / Case Study:
Cite a competitor's exact cloud token/cost savings.
4. Recommended Tech Stack
- Apollo.io (Scraping)
- Instantly (Warmup & Rotation)
- Clay (Enrichment)
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