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SERGEY BORONIN
Amazon Catalog & Listing Specialist | Seller Central & Flat Files Expert Kharkiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Telegram: @murkator
SUMMARY
Detail-oriented Amazon Catalog & Listing Specialist with 3+ years of experience managing large-scale product catalogs, bulk updates via Flat Files, and technical administration on Amazon, OTTO, and Temu. Proven track record in handling variation families, pricing strategies, promotional tools, and resolving complex Seller Support cases. Highly proficient in Excel/Google Sheets, large datasets, and maintaining flawless listing health and catalog accuracy.
KEY SKILLS & COMPETENCIES
• Catalog & Listing Operations: Bulk listing creation & updates, Flat Files (Excel / Google Sheets), variation management (colors/sizes), pricing, coupons & discounts.
• Seller Central Administration: Listing health monitoring, suppressed inventory resolution, backend search terms, A+ Content.
• Technical Support & Compliance: Amazon Seller Support case management, troubleshooting catalog errors, brand registry protection.
• Data & Tools: Advanced Excel / Google Sheets (VLOOKUP, pivot tables, large datasets), Helium 10, Sellerboard, Keepa, SellerSprite, Lingxing OMS.
• Collaboration & SEO: Keyword research, competitor analysis, cross-functional coordination with logistics and design teams.
WORK EXPERIENCE
Amazon Listing Specialist — E-Gate Germany GmbH (Amazon / OTTO / Temu)
09/2025 – 03/2026

• Managed and maintained a catalog of 500+ SKUs across Amazon, OTTO, and Temu, ensuring high data accuracy and content consistency.
• Executed bulk listing creation and updates using structured data templates and inventory files.
• Monitored listing health, fixed suppressed or error-flagged listings, and ensured seamless product availability.
• Conducted keyword research and optimized product titles, bullet points, descriptions, and backend terms.
• Coordinated catalog updates with logistics, purchasing, and design teams.
Account Manager, PL — AmzProfessional (Amazon)
09/2023 – 10/2024

• Managed full listing lifecycles and catalog expansions, driving a 16% year-over-year sales increase through optimized content structure.
• Resolved technical catalog issues and managed Amazon Seller Support cases to restore listing visibility.
• Conducted competitor analysis (Buy Box, pricing, BSR) to keep product listings competitive.
• Collaborated with PPC specialists to align listing content with search term performance.
Account Admin — Nextdoor Store (Amazon)
04/2022 – 05/2023

• Handled day-to-day technical administration: uploading product variations, managing images, A+ Content, and Brand Story.
• Set up and managed promotional campaigns, including Coupons, Prime Discounts, and Lightning Deals.
• Successfully resolved stranded inventory, suppressed listings, and compliance issues via Seller Central.
• Processed reimbursement claims and tracked catalog changes using Helium 10.
Customer & Technical Support Manager, PL — EASYFEET (Amazon)
09/2021 – 01/2022

• Maintained strict catalog accuracy across titles, bullets, pricing, and backend attributes to minimize error rates.
• Tracked daily listing modifications to catch unauthorized changes early.
• Handled customer inquiries and monitored Voice of the Customer metrics to catch recurring product/listing issues.
EDUCATION
• Kharkiv Polytechnic Institute — Department of Physical Engineering, Diploma with Honors
• Business Study Program — Cincinnati, Ohio, USA
LANGUAGES
• English — Upper-Intermediate (B2) (Confident written and technical correspondence).