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Work experience

Product/Data Analyst & Developer

from 03.2025 to 02.2026 (1 year)
Mamma Mia Covers, Дистанційно (Роздрібна торгівля)

High-Impact Launches: Successfully launched and scaled new premium products ($150+ price range) to $20,000+ monthly revenue each within the first 90 days.

Portfolio Optimization & Margin Engineering: Achieved 3% net margin growth across an existing 600+ SKU portfolio with a $150–$200 AOV. By auditing logistics and redesigning packaging for high-volume best-sellers, generated an additional $6,000+ in monthly net profit per flagship item, effectively mitigating 2025 trade tariff impacts.

Process Setup: Built the entire internal R&D system for new product development from scratch and strategically audited the 600+ SKU catalog to identify and prioritize high-impact growth opportunities.

Returns & Quality Control: Reduced Return Rate (RoR) by 4% on key categories by aligning product design with consumer sentiment analysis (Reddit/Reviews) and implementing standardized factory inspection protocols.

Brand Protection: Maintained premium positioning for high-ticket items ($150+) in a saturated market by leveraging A+ content and technical Q&A to justify price points through superior quality and design.

Amazon Product Manager & Developer

from 05.2023 to 11.2024 (1 year 7 months)
Diogenes, Київ (Маркетинг, реклама, PR)

For two years, I was engaged in product launch and maintenance. By launching, I mean researching and analyzing products/niches, finding a supplier, etc. I have experience with launching a completely unique product that isn't exist yet on Amazon, developing a complex product, which means finding product components and assembling them. I work with a designer to create, for example, packaging, and a SEO specialist to create content for the Amazon listing. I work with Amazon US, JP, UK, and Shopify. After launching the product, I analyze the sales rate, seasonality for further ordering new batches of goods

Education

V. N. Karazin Kharkiv National University

Computer Science, Cybersecurity, Харків
Higher, from 2019 to 2023 (4 years)

Additional education and certificates

IT School Hillel

4 месяца

Knowledge and skills

• Продаж на Amazon

Additional information

Serhii Kalynchuk

Senior Amazon Product Manager | R&D & Growth Strategy Kyiv, Ukraine | [open contact info](look above in the "contact info" section) |[open contact info](look above in the "contact info" section)

SUMMARY

Data-driven Amazon Product Manager with 3+ years of experience in high-ticket product
development and category growth. Expert in Value Engineering and Risk Mitigation, specializing
in the strategic optimization of large-scale portfolios (600+ SKUs) with a $150–$200 average
order value (AOV). Launching and scaling new premium products ($150+ price range) to
$20,000+ monthly revenue within the first 90 days. Achieved a 3% net margin increase by
auditing and streamlining high-volume best-sellers, resulting in significant bottom-line growth.
Skilled in building R&D departments from scratch and reducing return rates (RoR) by 4%
through deep-dive sentiment analysis and strict QA protocols

Mamma Mia Covers | Senior Amazon Product Analyst & Developer| March 2024 – February 2025

• Portfolio Optimization & Margin Engineering: Achieved 3% net margin growth across an
existing 600+ SKU portfolio with an average order value of $150–$200. By auditing
logistics and redesigning packaging for high-volume best-sellers, generated an
additional $6,000+ in monthly net profit per flagship item, effectively mitigating 2025
trade tariff impacts.
• High-Impact Launches: Successfully launched and scaled new premium products
($150+ price range) to $20,000+ monthly revenue each within the first 90 days.
• Process Setup: Built the entire internal R&D system for new product development from
scratch, ensuring every launch was backed by data-driven market validation.
• Returns & Quality Control: Reduced Return Rate (RoR) by 4% on key categories by
aligning product design with consumer sentiment analysis (Reddit/Reviews) and
implementing standardized factory inspection protocols.
• Brand Protection: Maintained premium positioning for high-ticket items ($150+) in a
saturated market by leveraging A+ content and technical Q&A to justify price points
through superior quality and design.

Diogenes Solutions | Amazon Product Manager | May 2023 – February 2024

• Complex Lifecycle Management: Led the end-to-end development of products for
Amazon (US, JP, UK) and Shopify, ensuring patent purity and supply chain resilience.
• Supplier Sourcing: Managed overseas supplier relationships and QC processes,
focusing on high-durability materials and assembly precision.
Flowmar | Amazon Product Researcher | Sept 2022 – April 2023
• Identified high-potential niches and conducted competitive benchmarking using Helium
10 and Keepa.

CORE COMPETENCIES

• Product Strategy: Blue Ocean Strategy, TRIZ (Invention Problem Solving), Value
Innovation, Product Differentiation.
• Analytics: Niche Scoring Models (Custom Python-based), Unit Economics, Sentiment
Analysis (Reddit/Reviews), Margin Optimization.
• Operations & QA: Packaging Optimization (Dim. Weight), Factory Audits (AQL
Standards), Supply Chain Management, Logistics Auditing.
• Risk & Compliance: Patent/IP Research, Regulatory Compliance (2025 Tariff
Management).
• Tools: Helium 10, Keepa, Jungle Scout, Seller Central, Python (Developing), Advanced
Sheets.

EDUCATION

• B.S. in Cybersecurity, V. N. Karazin Kharkiv National University