Kaosar Haque

B2B Lead Research & Data Enrichment Specialist

Self-Employed • Freelance

Feb 2024 - Present • 2 yrs 3 mos

Since 2024, I have been working as a B2B Lead Research and Data Enrichment Specialist, helping businesses build accurate and targeted prospect databases. My responsibilities include: • LinkedIn profile research and prospect identification • Personal and company email collection • Email verification (valid, invalid, catch-all classification) • Job title and company position tracking • Prospect country segmentation • CRM-ready structured spreadsheet preparation I ensure high data accuracy and clean formatting for outreach campaigns. I have worked on large-scale lead lists across multiple industries, delivering verified decision-maker contacts ready for email marketing and sales outreach. Tools & Methods: LinkedIn research, Google advanced search, email validation tools, Excel/Google Sheets. I focus on accuracy, relevance, and reliable lead quality.

Data Entry & Spreadsheet Management Specialist

NAICS CODE COMPANIES Interpreting agencies ToolKit • Freelance

Mar 2025 - Mar 2025 • 0 mos

Since 2025, I have been working as a Data Entry and Spreadsheet Management Specialist, handling large datasets with high accuracy and proper formatting. My responsibilities include: • Company name and address data entry • City, state, and ZIP code categorization • Mailing carrier and delivery code entry • Location address structuring • Data cleaning and formatting in Google Sheets and Excel • Organizing and maintaining structured business databases I ensure 98%+ data accuracy and clean, well-organized spreadsheets ready for reporting, CRM upload, or business analysis. Tools Used: Microsoft Excel, Google Sheets, Data validation methods, Structured formatting techniques. I focus on accuracy, consistency, and efficient data organization.

Senior B2B Lead Generation Specialist

Self-Employed • Freelance

Oct 2023 - Oct 2023 • 0 mos

I am a results-driven B2B Lead Generation Specialist helping agencies, SaaS companies, and e-commerce brands build high-quality sales pipelines. My core responsibilities include: • Targeted prospect research using LinkedIn Sales Navigator • Decision-maker contact collection and email verification • Building CRM-ready lead databases • Market and competitor research • Data cleaning and enrichment I have generated 7,000+ qualified B2B leads with verified emails and 95%+ data accuracy. My work has helped clients improve outreach response rates and close more retainers. Tools I use: LinkedIn Sales Navigator, Apollo, Hunter, Google Advanced Search, Excel. I focus on accuracy, relevance, and long-term client success.