GTM Engineering
Outbound, enrichment and routing systems in Clay, Apollo, n8n and HubSpot, measured in meetings booked.
500+emails a day from an outbound engine I built
10–15%reply rate, at a 60%+ open rate
One operator, three ways to grow your pipeline.
Eight years across B2B and B2C. I build GTM engines, run full-funnel growth, and bring dormant users back. Tell me what you’re hiring for and I’ll send you my CV with a personal reply.
01
Three roles, one operator
Hiring for one of these? You’re at the right place.
Growth
Full-funnel ownership from paid acquisition to reactivation, with AI creative testing and a €1M budget.
€1Mbudget managed across paid, offline and creative
+80%shift fulfillment from a reactivation program
CRM & Lifecycle
Segmented HubSpot journeys that bring dormant users back, at marketplace and enterprise scale.
60kstudents in lifecycle journeys I built
+80%shift fulfillment from reactivation
02
Results, not adjectives
500+emails a day from an outbound engine I built
+80%shift fulfillment from a reactivation program
€1Mbudget managed across paid, offline and creative
$33Mcustomer value in H1 2025 that reactivation contributed to
03
Selected work · with receipts
Outbound engine, built from zero
500+ a dayICP, list building, enrichment, sequencing and deliverability in Apollo.io.
Two-sided marketplace growth
€1M budgetAcquisition, activation and reactivation on both the student and the business side.
Dormant-lead reactivation
$22M · $33MCRM-driven win-back in HubSpot across segmented verticals.
04
The stack
Clay · Apollo.io · n8n · Make.com · HubSpot · Salesforce · Claude API · Meta Ads · Google Ads · LinkedIn Ads · GA4 · PostHog
05
ABM, but make it memorable
Three campaigns where the target list was short and the effort wasn’t.
i
UCM · Berlin SMB accounts
Cold caking
“Cupcakes with a QR code to a personal video. Cold email, but edible.”
2new clients from a 45-box pilot
- Reached
- 44 of 45boxes delivered
- Engaged
- 77%scanned the QR · 94% of viewers watched to the end
- Conversations
- 103 meeting requests · 7 LinkedIn replies
ii
BairesDev · US engineering leaders
The piñata play
“Great engineers are hard to get to. We made it easy. Break it open.”
~20new clients from ~120 target accounts
- Reached
- ~330piñatas delivered to ~120 scored accounts
- Engaged
- ~62%of accounts engaged · ≈40% response rate
- Conversations
- ≈80discovery meetings across ~53 accounts
iii
BairesDev · three key accounts
Courtside at the US Open
“Great partnerships, like great tennis, happen in real time. Let’s talk about your next set.”
3 of 3accounts expanded · +29 engineers
- Reached
- 15 of 30stakeholders hosted in a private suite
- Engaged
- 14 of 15follow-up meetings within 30 days
- Conversations
- 4expansion proposals across 3 accounts
06
Don’t take my word for it
Eight LinkedIn recommendations. Four from people who managed me directly.
I’d recommend Leo to any team looking for someone who combines marketing knowledge with a strong interest in automation, Outbound GTM systems, and operational efficiency.
Martech & Automation at UCM · Full-stack Marketing Engineer
Senior colleague · UCM · 202601 / 08
Due diligence, automated
Text my AI clone
Ask what you’d ask me in a first call. It answers in first person, from my CVs and recommendations.
Leo Ramírez · AIonline
Today
Heads-up: answers are short by design, about 120 words. This is a personal project running on my own API budget, not a VC’s, so it’s here to help you get to know me fast, not to replace ChatGPT. Ask it to go deeper on anything.
Runs on Claude · knows only what’s on my CVs and recommendations · chats are deleted after 30 days, so please don’t share personal data
Track record
Five companies, one obsession: pipeline
- May 2026 – present
Growth Marketing Manager (B2B & B2C)
UCM (uCastMe GmbH) · BerlinStudent staffing marketplace. Growth across acquisition, activation and reactivation on both sides, with a €1M budget.
- Nov 2025 – Apr 2026
Growth Marketing Lead
Trace bloc · BerlinFirst marketing hire at a B2B SaaS. Set ICP, positioning and channels, and built outbound and inbound from zero.
- Jun 2021 – Jun 2025
Growth Marketing Specialist (ABM / Demand Gen)
BairesDev · Remote (US)ABM across 5 international markets, CRM-driven reactivation, and LinkedIn, Google and Meta demand generation.
- Feb – Jun 2021
Senior Market Research Executive
Insight Marketing Research · RemoteLed end-to-end research projects and analysis dashboards that supported client retention decisions.
- Oct 2018 – Jan 2021
Market Research Lead
Laureate Education · Brazil · Chile · Mexico · USAGo-to-market for new education products in Latin America, lifting product acceptance from 11% to 65%.
Education
MBA · University of Europe for Applied Sciences, Berlin · 2024
Digital Marketing Certification · University of Illinois Urbana-Champaign · 2021
BSc Marketing & International Business · UNITEC, Honduras · 2018
Languages
English C2 · Spanish C2
Portuguese B2 · German B1
EU Blue Card, full work authorization in GermanyLet’s skip to the part where we actually talk.
Berlin-based · on-site or hybrid · EU Blue Card