Serhii

SERHII MARIUKHNYK
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Prague, Czech Republic

AMAZON OPERATIONS MANAGER
Amazon Operations Manager with 7+ years of hands-on experience building and scaling e-commerce
businesses.
Successfully launched and exited a private label brand (≈$400K revenue, ≈$90K profit), owning the full
operational cycle, including sourcing, supply chain, logistics, PPC coordination, and team management.
Focused on operational efficiency, profitability, and building scalable systems that support long-term growth.

SKILLS & COMPETENCE
Amazon & E-commerce: Product research & validation (Helium 10, Keepa), Listing optimization & SEO,
Amazon Brand Analytics & Opportunity Explorer, Product positioning & market analysis
Operations & Supply Chain: Inventory planning & stock management, Supplier sourcing & negotiation
(China), Logistics coordination & FBA operations, Demand forecasting & supply chain optimization
Marketing & Performance: PPC coordination & performance analysis, Conversion rate optimization (CRO),
Listing performance tracking & improvement
Management & Execution: Team coordination & leadership, Process optimization & system building,
Cross-functional collaboration (PPC, design, sourcing)

TOOLS
Amazon Seller Central (operations, inventory, account health) | Brand Analytics & Opportunity Explorer |
Helium 10 (Сerebro, Xray) | Keepa | AsinStat | Google Sheets / Excel (forecasting) | PPC tools

WORK EXPERIENCE
Owner — Amazon Private Label Brand 2021 - 2025
Built, scaled, and successfully exited a private label brand (≈$400K revenue, ≈$90K profit, Flippa)
Managed 15–20 SKU portfolio from product launch to stable sales
Owned end-to-end operations: sourcing, supplier management (China), logistics, inventory
planning, and FBA
Improved margins through supplier negotiation and logistics optimization
Maintained stock levels and reduced stockouts through demand forecasting and restocking
strategy
Coordinated cross-functional execution (PPC, design, listings), ensuring performance and
profitability
Amazon Seller (Online Arbitrage) 2019 - 2021
Conducted product research and supplier sourcing (including China) based on demand and
margin potential
Managed end-to-end purchasing and logistics processes, including FBA shipments to the US
Worked with existing listings, optimizing pricing and maintaining competitiveness
Monitored inventory levels and coordinated restocking to support consistent sales
Built foundational experience in supply chain, inventory management, and Amazon operations

Amazon Seller (Dropshipping) 2017 - 2019
Built and scaled online stores using the dropshipping model (10K+ listings)
Managed order processing workflows and day-to-day operations
Built and coordinated a small team
Scaled sales volume and optimized operational processes

EDUCATION

National Technical University “KhPI”, Master’s Degree, Automotive Engineering 2014 - 2018

EDUCATION LANGUAGES
Ukrainian — Native English — Intermediate (B1) Russian — Fluent