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I am a Strategic Growth & Performance Marketing Specialist with 8+ years of proven success running high-impact Paid Social campaigns for top-tier brands including Żabka, BMW MINI, CCC, Dr. Max, Witchen, and MG Motors. I’m experienced in managing multi-million PLN budgets across Meta, TikTok, LinkedIn, and Google Ads, consistently driving measurable business outcomes. I specialize in full-funnel strategy, automation, audience modelling, and performance optimization, and I’ve built scalable frameworks to boost operational efficiency. I thrive in leadership roles and enjoy collaborating with cross-functional teams to deliver tangible growth.…I am a Strategic Growth & Performance Marketing Specialist with 8+ years of proven success running high-impact Paid Social campaigns for top-tier brands including Żabka, BMW MINI, CCC, Dr. Max, Witchen, and MG Motors. I’m experienced in managing multi-million PLN budgets across Meta, TikTok, LinkedIn, and Google Ads, consistently driving measurable business outcomes. I specialize in full-funnel strategy, automation, audience modelling, and performance optimization, and I’ve built scalable frameworks to boost operational efficiency. I thrive in leadership roles and enjoy collaborating with cross-functional teams to deliver tangible growth.

Sebastian Kosmala

Performance Marketer, Marketing Strategist, Growth Marketer, +5

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I am a Strategic Growth & Performance Marketing Specialist with 8+ years of proven success running high-impact Paid Social campaigns for top-tier brands including Żabka, BMW MINI, CCC, Dr. Max, Witchen, and MG Motors. I’m experienced in managing multi-million PLN budgets across Meta, TikTok, LinkedIn, and Google Ads, consistently driving measurable business outcomes. I specialize in full-funnel strategy, automation, audience modelling, and performance optimization, and I’ve built scalable frameworks to boost operational efficiency. I thrive in leadership roles and enjoy collaborating with cross-functional teams to deliver tangible growth.…I am a Strategic Growth & Performance Marketing Specialist with 8+ years of proven success running high-impact Paid Social campaigns for top-tier brands including Żabka, BMW MINI, CCC, Dr. Max, Witchen, and MG Motors. I’m experienced in managing multi-million PLN budgets across Meta, TikTok, LinkedIn, and Google Ads, consistently driving measurable business outcomes. I specialize in full-funnel strategy, automation, audience modelling, and performance optimization, and I’ve built scalable frameworks to boost operational efficiency. I thrive in leadership roles and enjoy collaborating with cross-functional teams to deliver tangible growth.

Available to hire

I am a Strategic Growth & Performance Marketing Specialist with 8+ years of proven success running high-impact Paid Social campaigns for top-tier brands including Żabka, BMW MINI, CCC, Dr. Max, Witchen, and MG Motors. I’m experienced in managing multi-million PLN budgets across Meta, TikTok, LinkedIn, and Google Ads, consistently driving measurable business outcomes. I specialize in full-funnel strategy, automation, audience modelling, and performance optimization, and I’ve built scalable frameworks to boost operational efficiency. I thrive in leadership roles and enjoy collaborating with cross-functional teams to deliver tangible growth.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Polish

Fluent

English

Fluent

Work Experience

Senior Paid Social Specialist

July 1, 2025 - Present

Lead strategic planning and execution for Paid Social clients with budgets up to 35M PLN, including BMW, MINI, Credit Agricole, Heineken, MINI, MG Motors. Develop high-impact full-funnel strategies across Meta, TikTok, LinkedIn, and Google Ads. Build internal knowledge systems and optimize performance.

Senior Paid Social Specialist at salestube

July 1, 2025 - Present

Lead strategic planning and execution for Paid Social clients with budgets up to 35 million PLN, including major brands like BMW, Credit Agricole, and Heinz. Managed a cross-functional team of 2-3 specialists focusing on client acquisition and campaign strategy delivery. Developed high-impact media strategies across Meta, TikTok, and LinkedIn with full-funnel growth focus. Created and maintained internal knowledge systems for campaign errors and strategic frameworks. Spearheaded innovation projects using Meta API and AI to automate diagnostics, performance alerts, and estimation processes. Conducted strategy calls with key clients and mentored junior team members in paid media best practices.

Paid Social Specialist at salestube

June 30, 2025 - August 18, 2025

Executed campaigns with budgets exceeding €1,500,000 for clients. Initiated real-time campaign monitoring systems to support rapid optimization efforts. Contributed to team efficiency through process documentation and tool creation. Served as strategic consultant for full-funnel paid social campaigns across industries.

Paid Social Specialist at Remote / Warsaw, Poland

November 1, 2023 - June 1, 2025

Executed paid social campaigns with budgets > €1,500,000 for clients including Żabka, Dr. Max, BMW, MINI, CCC, Witchen. Led strategy and optimization projects focused on revenue and ROAS.

Marketing Specialist at EuroCallCenter

August 31, 2021 - August 18, 2025

Managed lead-generation campaigns with daily budgets of 4,000–5,000 PLN. Led a team of 3 in cross-functional collaboration between marketing and sales departments. Produced content using CorelDraw, DaVinci Resolve, and WordPress. Coordinated affiliate marketing initiatives and strategy updates based on market trends.

Advertising Specialist at BusWiFi Media

June 30, 2020 - August 18, 2025

Acquired B2B clients through outreach and managed sales pipeline using HubSpot CRM. Created custom animations and static ads for clients in transport and retail sectors.

Marketing Intern at Vision Ltd, InfoGraf & Dafi, Formaster S.A.

September 30, 2018 - August 18, 2025

Created social media content and participated in strategy meetings. Conducted competitor analysis and supported marketing presentations. Managed small team projects, created Facebook content and infographics, supported outdoor advertising projects and client negotiations. Co-developed a school-based marketing project for the brand.

Marketing Intern at Vision Ltd

September 1, 2018 - September 1, 2018

Created social media content and infographics. Conducted competitor analysis and supported marketing presentations.

Marketing Intern at InfoGraf & Daﬁ, Formaster S.A.

July 1, 2018 - August 1, 2018

Created social content and infographics; coordinated school-based marketing projects; contributed to field work.

Growth Marketer & Digital Consultant at Freelance

January 1, 2015 - Present

Built and managed full-brand strategies for personal projects, including a natural cosmetics line. Delivered performance marketing services across Meta, Google, Pinterest, and LinkedIn. Developed Wordpress and Shopify websites for ecommerce brands. Produced high-converting visuals, videos, and creatives for paid media campaigns. Conducted in-depth market research and built go-to-market strategies for diverse clients.