
Opeyemi
Cold Email Infrastructure, Deliverability Expert, Automation marketing expert
Skills

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Werkervaring
Cold Email & Deliverability Expert
Self Level • Freelance
Jan 2025 - Present • 1 yr 4 mos
I build high deliverability cold email systems for B2B companies and agencies from the ground up. I specialize in backend technical setups using tools like Instantly.ai and Smartlead.ai. Core responsibilities and achievements: 1. Technical Infrastructure: Flawless DNS configuration including SPF, DKIM, DMARC, custom tracking domains, and MX records to ensure 95%+ inbox placement. 2. Reputation Management: Structuring multi-mailbox rotations, automated warm-up protocols, and safe daily sending limits to prevent domain blacklisting. 3. Campaign Engineering: Implementing complex spintax, dynamic variables, and bounce monitoring to bypass strict bulk-sender spam filters. 4. Ongoing optimization of sender scores to keep client outreach operating at maximum performance and ROI.
Domain & Email System Configuration Specialist
Self-Help • Freelance
Jun 2024 - Present • 1 yr 11 mos
Set up domains and business email systems using Google Workspace and Outlook. Configured DNS records including SPF, DKIM, and DMARC to ensure proper email authentication. Built a reliable technical foundation for cold email outreach and business communication.
Email Warmup & Reputation Management Specialist
Promo Cleaning Services • Freelance
Apr 2026 - Apr 2026 • 0 mos
Managed inbox warmup processes and domain reputation strategies for new and existing cold email systems. Implemented gradual sending increases and engagement simulations to build sender trust over time. Monitored domain performance and adjusted warmup behavior to avoid spam triggers. Focused on preparing domains for active outreach campaigns while preserving long-term deliverability and minimizing risk of blacklisting.