MASUM BABUL
Senior Sales Manager
Murshidabad
Summary
Senior E-commerce Marketplace Strategist with 4+ years of experience driving revenue growth across Amazon, eBay, Walmart, Shopify, TikTok Shop, and Temu. Proven ability to scale product catalogs exceeding 10,000 SKUs, reduce advertising costs, and improve conversion rates using data-driven SEO and PPC strategies. Demonstrated success in increasing organic visibility, optimizing ACOS/ROAS, and maintaining strong marketplace account health. Experienced in managing global marketplaces and supporting international brand expansion.
Overview
8
8
years of professional experience
3
3
Languages
Work History
Senior E-commerce Listing & SEO Specialist
5 Core Inc
01.2022 - Current
- Managed and optimized marketplace performance across Amazon, eBay, Walmart, Shopify, and TikTok Shop
- Increased organic sales and visibility by 40% through SEO and listing optimization strategies
- Reduced Amazon Advertising ACOS by 25% while improving overall ROAS and profitability
- Managed and optimized a catalog of over 10,000 SKUs across multiple marketplaces
- Developed keyword strategies to improve ranking, traffic, and conversion rates
- Improved listing upload efficiency by 35% through Excel automation workflows
- Collaborated with design and marketing teams to improve A+ content and brand presentation
- Maintained strong account health metrics and compliance with marketplace policies
- Improved organic search traffic with high-quality backlink acquisition and link-building techniques.
- Managed multiple client accounts simultaneously, ensuring timely delivery of results-driven campaigns tailored to each specific business need.
- Enhanced website rankings by implementing effective on-page and off-page SEO strategies.
- Managed search engine marketing budgets and tracked campaign performance.
E-commerce Executive
5 Core
10.2022 - 02.2026
- Managed product listings and ensured marketplace SEO optimization
- Coordinated inventory synchronization across Amazon and Shopify
- Resolved customer issues and maintained seller performance standards
- Monitored key performance indicators to measure success of online sales strategies and adjust them accordingly.
- Coordinated closely with logistics team to guarantee seamless shipping processes for both domestic and international orders.
- Optimized website performance with regular content updates and Search Engine Optimization techniques.
Customer Service Support Associate
PhonePe Pvt. Ltd.
02.2020 - 10.2022
- Enhanced customer satisfaction by addressing and resolving issues in a timely manner.
- Provided ongoing support to customers, answering questions, troubleshooting issues, and facilitating returns or exchanges as needed.
- Delivered customer support for digital payments, UPI transactions, and account services.
- Resolved customer issues efficiently, ensuring smooth and secure payment experiences.
- Educated users about PhonePe features, services, and troubleshooting steps.
- Maintained accurate records of customer interactions and resolutions.
- Improved customer satisfaction through prompt and professional communication.
- Collaborated with internal teams to resolve technical and operational issues.
- Followed company guidelines to ensure data security and service excellence.
Data Entry Operator
Camp Assistant – Duare Sarkar Program
07.2018 - 01.2020
- Scanned documents and saved in database to keep records of essential organizational information.
- Verified data files prior to entry to maintain high data accuracy.
- Corrected data entry errors to prevent duplication or data degradation.
- Streamlined processes by implementing effective data entry techniques and tools, reducing errors and increasing efficiency.
- Maintained files, records, and chronologies of entry activities.
Education
Bachelor of Commerce - B.Com Honors
North East Frontier Technical University
Skills
Marketplace Management
Amazon Seller Central
eBay
Walmart
Shopify
TikTok Shop
Temu
Advertising & PPC
Amazon PPC
TikTok Ads
eBay Promoted Listings
ROAS Optimization
SEO & Conversion Optimization
Keyword Research
Listing SEO
A Content
Data Analysis & Automation
Advanced Excel
Sales Analytics
Inventory Analysis
Operations Management
SKU Management
Compliance & Account Health
Policy Compliance
Seller Performance Optimization
Accomplishments
- Increased organic traffic and revenue by 40%
- Reduced PPC advertising cost inefficiency by 25%
- Managed global catalog exceeding 10,000 SKUs
- Improved conversion rates by 15% through listing optimization
- Maintained excellent seller account health and compliance
Additional Information
Eligible for remote international roles, Experienced working with US-based global brands, Available for full-time remote positions
Timeline
E-commerce Executive
5 Core
10.2022 - 02.2026
Senior E-commerce Listing & SEO Specialist
5 Core Inc
01.2022 - Current
Customer Service Support Associate
PhonePe Pvt. Ltd.
02.2020 - 10.2022
Data Entry Operator
Camp Assistant – Duare Sarkar Program
07.2018 - 01.2020
Bachelor of Commerce - B.Com Honors
North East Frontier Technical University
Languages
English
Hindi
Bengali
Technical Proficiencies
Amazon Seller Central, eBay, Walmart Seller Center, TikTok Shop, Temu, Shopify, Amazon Ads, TikTok Ads, eBay Promoted Listings, Excel (Advanced), Google Analytics, Marketplace Dashboards, Bulk Upload Templates, SKU Mapping, Inventory Management
Open To
- Remote
- US
- UK
- Global Opportunities
Personal Information
Availability: Open to: Remote | US | UK | Global Opportunities
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Core Skills
Amazon Seller Central, eBay, Walmart, Shopify, TikTok Shop, Temu, Amazon PPC, TikTok Ads, eBay Promoted Listings, ROAS Optimization, Keyword Research, Listing SEO, A+ Content, CRO, Advanced Excel, Sales Analytics, Inventory Analysis, SKU Management, Bulk Uploads, Vendor Coordination, Policy Compliance, Seller Performance Optimization
Technical Proficiencies
Amazon Seller Central, eBay, Walmart Seller Center, TikTok Shop, Temu, Shopify, Amazon Ads, TikTok Ads, eBay Promoted Listings, Excel (Advanced), Google Analytics, Marketplace Dashboards, Bulk Upload Templates, SKU Mapping, Inventory Management
Open To
- Remote
- US
- UK
- Global Opportunities
Personal Information
Availability: Open to: Remote | US | UK | Global Opportunities