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Hi, I'm Szymon Ciesielski, a passionate Senior E-Commerce Specialist with a strong background in SEO, SEM, web development, and digital marketing. I thrive on developing and optimizing e-commerce projects and managing marketing automation to deliver measurable growth and success. With several years of experience working across developing online stores, managing advertising campaigns, and collaborating with SEO/SEM agencies, I bring a holistic approach to e-commerce and digital marketing strategies. I enjoy combining technical skills with creative marketing to drive conversion and business growth.…Hi, I'm Szymon Ciesielski, a passionate Senior E-Commerce Specialist with a strong background in SEO, SEM, web development, and digital marketing. I thrive on developing and optimizing e-commerce projects and managing marketing automation to deliver measurable growth and success. With several years of experience working across developing online stores, managing advertising campaigns, and collaborating with SEO/SEM agencies, I bring a holistic approach to e-commerce and digital marketing strategies. I enjoy combining technical skills with creative marketing to drive conversion and business growth.

Szymon Ciesielski

Web Developer, Project Manager, Marketing Strategist, +2

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Hi, I'm Szymon Ciesielski, a passionate Senior E-Commerce Specialist with a strong background in SEO, SEM, web development, and digital marketing. I thrive on developing and optimizing e-commerce projects and managing marketing automation to deliver measurable growth and success. With several years of experience working across developing online stores, managing advertising campaigns, and collaborating with SEO/SEM agencies, I bring a holistic approach to e-commerce and digital marketing strategies. I enjoy combining technical skills with creative marketing to drive conversion and business growth.…Hi, I'm Szymon Ciesielski, a passionate Senior E-Commerce Specialist with a strong background in SEO, SEM, web development, and digital marketing. I thrive on developing and optimizing e-commerce projects and managing marketing automation to deliver measurable growth and success. With several years of experience working across developing online stores, managing advertising campaigns, and collaborating with SEO/SEM agencies, I bring a holistic approach to e-commerce and digital marketing strategies. I enjoy combining technical skills with creative marketing to drive conversion and business growth.

Available to hire

Hi, I’m Szymon Ciesielski, a passionate Senior E-Commerce Specialist with a strong background in SEO, SEM, web development, and digital marketing. I thrive on developing and optimizing e-commerce projects and managing marketing automation to deliver measurable growth and success.

With several years of experience working across developing online stores, managing advertising campaigns, and collaborating with SEO/SEM agencies, I bring a holistic approach to e-commerce and digital marketing strategies. I enjoy combining technical skills with creative marketing to drive conversion and business growth.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Intermediate

German

Beginner

Spanish; Castilian

Beginner

Work Experience

Senior E-Commerce Specialist at Natural Brands

August 1, 2025 - September 4, 2025

Led the development of multiple E-Commerce projects including MójCatering, Dieta Pirata, Medidieta, Smakujemy, UrbanFits, Nuja, and Fitly. Responsible for front-end development, marketing automation covering Email, SMS, and Push campaigns, alongside SEO activities to increase online presence and sales.

Marketing Specialist at Certes

June 1, 2024 - September 4, 2025

Handled front-end development and collaborated closely with SEO/SEM agencies. Managed creation of marketing content such as infographics, training manuals, mailing campaigns, and websites. Ran advertising campaigns and managed social media accounts including LinkedIn, Facebook, and Instagram, while developing new projects.

E-Commerce Manager at City Lion

January 1, 2025 - September 4, 2025

Oversaw the development of the citylion.pl online store and web development using WordPress/WooCommerce. Managed the store's product offerings and executed SEO and SEM activities. Prepared and optimized product offers for six European markets and ran Google ADS and Meta ADS campaigns.

SEO Specialist in Interactive Agency at DNS Group

October 1, 2022 - September 4, 2025

Responsible for content planning, technical SEO, and link building. Conducted website SEO analyses, audits, and created SEO strategies for selected clients. Supported sales and project management departments and contributed to process improvements in the SEO department.

E-Commerce Manager at Linaise

March 1, 2021 - September 4, 2025

Founded and developed the linaise-bielizna.pl online store. Coordinated marketing, sales, customer care, and logistics teams. Managed product offers and auctions while running advertising campaigns on Facebook, Google ADS, and Allegro ADS. Created various content types including photos, videos, livestreams, and copywriting, and automated several operational processes.

E-Commerce Specialist at GeekBuying

February 1, 2020 - September 4, 2025

Contributed to the development of the newly launched geekbuying.pl store. Coordinated marketplace activities supporting 11 Allegro accounts and managing omnichannel sales. Responsible for product offer optimization, copywriting, photography, and import coordination from suppliers in China. Supported marketing, customer care, and B2B departments.