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Hi, I’m Mateusz Szczepański. I help online brands grow by building and scaling e-commerce stores from the ground up, expanding product assortments from sportswear into lifestyle and beauty categories to meet market trends. I bring 4+ years of hands-on experience in e-commerce and performance marketing, working across Shopify, WooCommerce, Meta Ads, Google Ads, email marketing and SEO. By combining data-driven marketing with creative content, influencer collaborations, and UX/CRO improvements, I drive revenue, improve ROAS, and deliver tangible sales growth for B2C and B2B clients.…Hi, I’m Mateusz Szczepański. I help online brands grow by building and scaling e-commerce stores from the ground up, expanding product assortments from sportswear into lifestyle and beauty categories to meet market trends. I bring 4+ years of hands-on experience in e-commerce and performance marketing, working across Shopify, WooCommerce, Meta Ads, Google Ads, email marketing and SEO. By combining data-driven marketing with creative content, influencer collaborations, and UX/CRO improvements, I drive revenue, improve ROAS, and deliver tangible sales growth for B2C and B2B clients.

Mateusz Szczepański

Performance Marketer, Marketing Strategist, Content Strategist, +7

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Hi, I’m Mateusz Szczepański. I help online brands grow by building and scaling e-commerce stores from the ground up, expanding product assortments from sportswear into lifestyle and beauty categories to meet market trends. I bring 4+ years of hands-on experience in e-commerce and performance marketing, working across Shopify, WooCommerce, Meta Ads, Google Ads, email marketing and SEO. By combining data-driven marketing with creative content, influencer collaborations, and UX/CRO improvements, I drive revenue, improve ROAS, and deliver tangible sales growth for B2C and B2B clients.…Hi, I’m Mateusz Szczepański. I help online brands grow by building and scaling e-commerce stores from the ground up, expanding product assortments from sportswear into lifestyle and beauty categories to meet market trends. I bring 4+ years of hands-on experience in e-commerce and performance marketing, working across Shopify, WooCommerce, Meta Ads, Google Ads, email marketing and SEO. By combining data-driven marketing with creative content, influencer collaborations, and UX/CRO improvements, I drive revenue, improve ROAS, and deliver tangible sales growth for B2C and B2B clients.

Available to hire

Hi, I’m Mateusz Szczepański. I help online brands grow by building and scaling e-commerce stores from the ground up, expanding product assortments from sportswear into lifestyle and beauty categories to meet market trends. I bring 4+ years of hands-on experience in e-commerce and performance marketing, working across Shopify, WooCommerce, Meta Ads, Google Ads, email marketing and SEO.

By combining data-driven marketing with creative content, influencer collaborations, and UX/CRO improvements, I drive revenue, improve ROAS, and deliver tangible sales growth for B2C and B2B clients.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

E-commerce & Marketing Specialist at VIVA FEM STORE

March 20, 2025 - Present

End-to-end management of Shopify operations, including strategy, performance marketing, logistics, and customer service; created and optimized Google, Meta, TikTok, and Pinterest campaigns to maximise ROAS; developed multimedia content for social platforms; analyzed sales and UX data to drive CRO initiatives; expanded product assortment into lifestyle and beauty categories.

Founder & E-commerce & Marketing Specialist at Viva FEM STORE

March 1, 2025 - Present

Led end-to-end management of an online women’s sportswear brand, driving revenue growth through data-driven Meta and Google advertising, Shopify storefront optimization, cross-channel campaigns, and email marketing to maximize ROAS.

Customer Service & Production Specialist

December 31, 2024 - October 8, 2025

Supported customer service and production operations; managed offline business components in parallel since 2020; coordinated order fulfillment and quality control, ensuring timely delivery and repeat business.

Customer Service & Production Specialist at InnoAJ&W Stokłosa

December 31, 2024 - October 8, 2025

Customer service and production specialist; operated a parallel business since 2020.

Customer Service & Production Specialist

January 1, 2024 - October 8, 2025

End-to-end management of Shopify operations, including strategy, performance marketing, logistics (orders, returns), customer service, and data analysis. Created and optimized marketing campaigns (Meta Ads, Google Ads, TikTok Ads) to maximize ROAS. Developed multimedia content (graphics, reels, stories) for social platforms; performed CRO analyses; expanded product assortment from sportswear into lifestyle and beauty categories; provided product consultation and support to B2C and B2B clients. Coordinated order fulfillment and ensured quality control and timely delivery.

Customer Service & Production Specialist at J&W Stokłosa

January 1, 2024 - October 8, 2025

Managed customer service and production workflows for e-commerce operations; coordinated order fulfillment, quality control, and timely delivery; provided product consultations and support to B2C and B2B clients; developed and maintained strong communication and organizational skills in a fast-paced production environment.

Customer Service & Production Specialist at INNOAJ&W Stokłosa

January 1, 2024 - October 8, 2025

Provided customer service and production support; ran a parallel business since 2020, coordinating operations and delivering customer-focused solutions.

Allegro Seller at home4you.org.pl (Home & Interior)

December 31, 2022 - October 8, 2025

Managed Allegro store operations for home & interior products, including listing optimization, order fulfillment and customer service.

Allegro Seller at home4you.pl (Home & Interior)

January 1, 2022 - October 8, 2025

Managed Allegro marketplace presence for home and interior products, optimized product listings and pricing, and handled orders and customer service from 2021 to 2022.