samuel

email marketing

Apollo • Freelance

Aug 2025 - Present • 11 mos

Architect and manage end-to-end B2B email marketing frameworks, data enrichment loops, and cold outreach sequences for global clients across SaaS, E-commerce, and high-ticket B2B consulting niches. Specializing in resolving deliverability issues, building scalable outbound infrastructure, and mapping high-conversion automated workflows. Infrastructure Design: Engineered custom multi-domain cold email setups using secondary sending domains, ensuring strict alignment of SPF, DKIM, and DMARC authentication protocols to preserve primary domain reputations. Campaign Automation: Configured hyper-targeted outbound systems inside Apollo.io and Instantly.ai, maintaining an average open rate of 45%–62% across diverse industries. Data Architecture: Developed advanced API data routing and enrichment systems utilizing Clay.com and n8n to automatically extract, verify, and clean leads before they enter active email sequences. CRM Data Syncing: Built native, two-way data sync pipelines to pipe warm email replies and lead status changes directly into CRMs such as HubSpot, Zoho CRM, and Monday.com, eliminating manual data entry for sales teams. Key Achievements & Business Impact 🚀 250% Deliverability Recovery: Saved a B2B SaaS client from severe domain burning by auditing their email settings, setting up strict custom tracking domains, establishing a 4-week dedicated warmup routine, and adjusting email sequence throttle limits. Reduced spam complaints to less than 0.1%. 💼 $300k+ Pipeline Generated: Constructed an automated cold email campaign inside Apollo.io targeting decision-makers (CEOs, VPs of Marketing) in the USA and Canada. The targeted prospecting sequence secured a 3.8% positive reply rate, booking over 45 high-ticket discovery meetings in under 90 days. ⚡ 20+ Hours Saved Weekly via Automation: Replaced an agency's manual list-building and email copy-pasting routine by creating an automated workflow hook via n8n.