D V.

Email Hygiene: * smtp verifying. * social media verifying. * spam trap detection. * email suppression. Data Processing: * merging databases, tables. * segmenting data. * sql to csv . * json to csv. * any text format to utf-8. Data Standardization: * writing custom tools/scripts in bash and python. Lead Generation: * total dataset of 1.3 billion unique emails and 3.6 billion records of interests. * web-scraping tools development. All scripts used are private developed and optimized over the last years.