Mehedi Hasan

Cold Email Strategist & Deliverability Manager

Market Eye

Jul 2025 - Mar 2026 • 8 mos

I design, implement, and scale end-to-end B2B cold outreach infrastructure and campaigns, ensuring maximum deliverability and qualified lead generation. My focus is on creating a secure, automated, and high-performing system that turns cold prospects into qualified sales conversations. 🔹 Key Responsibilities & Expertise 🔹 Infrastructure & Deliverability Management (Core Specialty): 🔹 Pioneered and maintained a high-volume cold email infrastructure, including secure domain acquisition, complex DNS configuration (SPF, DKIM, DMARC, custom tracking), and multi-account platform setup (Instantly). 🔹 Proactively managed warm-up schedules and inbox health to achieve peak deliverability, actively monitoring domain reputation and placement rate. 🔹 Implemented strict bounce and spam mitigation strategies to maintain a healthy sender score and ensure long-term campaign viability. 🔹 Targeted Lead Generation & List Hygiene: 🔹 Executed advanced prospect research and list building using specialized tools like Apollo and Clay to identify hyper-targeted leads matching precise Ideal Customer Profiles (ICPs). 🔹 Ensured data integrity and compliance by rigorously verifying all prospect data using leading verification tools like MillionVerifier and other relevant tools. 🔹 Campaign Strategy & Optimization: 🔹 Drafted and A/B tested high-converting email sequences and unique selling propositions (USPs) across multiple campaigns simultaneously. 🔹 Analyzed key performance indicators (KPIs) including Open Rate, Click-Through Rate (CTR), Bounce Rate, and most critically, Reply Rate, to drive continuous improvement. 🔹 Automated core workflow processes from lead sourcing to campaign enrollment and CRM synchronization using integration tools like Zapier and n8n to save valuable operational time.

Email Deliverability Specialist | Cold Email Infrastructure Operator

Leader Systems

Aug 2022 - Jun 2025 • 2 yrs 10 mos

* Diagnosed and resolved email deliverability issues for agencies, SaaS founders, and outbound sales teams experiencing spam placement and low inbox rates * Configured and optimized SPF, DKIM, DMARC, MX, BIMI, and DNS records to improve sender trust and domain authentication * Built scalable cold email infrastructure using multi-domain and multi-inbox setups designed for long-term outbound campaigns * Improved inbox placement by identifying blacklist issues, repairing domain reputation, and optimizing sending patterns * Managed domain warm-up strategies to stabilize deliverability before scaling outbound volume * Supported platforms including Google Workspace, Microsoft 365, Mailgun, Zoho, Outlook, SMTP servers, and Cloudflare DNS * Conducted deliverability audits to identify technical bottlenecks affecting open rates, reply rates, and sender reputation * Assisted businesses in reducing spam complaints and email bounce rates through infrastructure optimization and authentication alignment * Worked with cold outreach systems handling hundreds to thousands of emails per day while maintaining deliverability stability * Provided ongoing monitoring, troubleshooting, and strategic guidance for outbound email infrastructure and domain health management