Mateusz Czarniecki

E-commerce Store Owner at Self-employed / Online Store

Built and managed an online store reaching customers worldwide, generating roughly $100,000 in sales. Expanded across multiple industries (e.g., dental products, fashion, jewelry, home goods); ran paid advertising across Meta, TikTok, Snapchat, Google, and Pinterest, achieving up to 3.0 ROAS. Implemented and optimized email campaigns; designed and optimized sales funnels, boosting conversion rates by up to 30%. Managed daily operations and customer support, maintaining refund rate below 0.5%.

Affiliate Marketing - Finance Courses at Self-employed

Produced short-form video content (TikTok, Snapchat, YouTube Shorts) for affiliate campaigns. Some videos achieved up to 1.5M views with over 10% like rate, resulting in first sales of online courses.

Social Media Creator & Manager at Self-employed

Scaled a Snapchat account from zero to around 100,000 followers, 7M views, and nearly 1M likes. Built a TikTok presence from scratch reaching 90,000+ followers, 5M views, and 350,000 likes.

Affiliate Marketing - Finance Courses at Self-employed

Produced short-form video content (TikTok, Snapchat, YouTube Shorts) for affiliate campaigns. Some videos reached up to 1.5 million views with over 10% like rate, resulting in initial sales of online courses.

Social Media Creator & Manager at Self-employed

Scaled a Snapchat account from zero to around 100,000 followers with 7 million video views and nearly 1 million likes. Built a TikTok presence from scratch to 90,000+ followers with 5 million views and 350,000 likes.

E-commerce Store Owner at Self-employed / Own e-commerce store

Built and managed an online store reaching customers worldwide, generating roughly 100,000 USD in sales. Grew sales across multiple industries: dental products 50,000 USD, fashion 25,000+ USD, jewelry 5,000 USD, and home goods 8,000+ USD. Ran paid advertising across Meta, TikTok, Snapchat, Google, and Pinterest, achieving ROAS up to 3.0. Executed email campaigns contributing about 10% of overall revenue. Designed and optimized sales funnels, boosting conversion rate by up to 30%. Oversaw customer support and daily operations, maintaining refund rate below 0.5%.

Freelance - Graphic Design & Video Editing at Self-employed

Delivered freelance graphic design and video editing projects (Premiere Pro, CapCut, Canva). Managed full creative processes, from client brief to final product delivery.