Key Account Manager - External Maketplace

If you are looking for a career that moves as fast as you do, you’ve come to the right place. Decathlon is a global sports leader covering everything from Production and Supply to Retail. We are rapidly expanding across Thailand and searching for dynamic, reliable, and sports-passionate individuals to join our team.

Are you a highly driven e-commerce professional with a proven track record of scaling marketplace operations?

Decathlon Thailand is seeking a strategic, data-driven, and hands-on Key Account Manager to take full ownership of our Shopee marketplace and lead our expansion into new e-commerce platforms. This role demands a high-performance mindset, requiring you to strike the perfect balance between big-picture commercial strategy and rigorous, in-the-weeds execution. You will collaborate seamlessly across marketing, operations, and finance to aggressively grow our revenue, secure market share, and ensure a flawless digital shopping experience for sports enthusiasts.

• →

  Operational Leadership: Oversee the end-to-end e-commerce journey from order placement to final delivery. Proactively identify, track, and troubleshoot system or IT issues to ensure seamless backend operations.

• →

  Campaign Strategy & Execution: Develop and drive high-impact marketplace campaigns. Manage commercial budgets strategically to maximize ROI while maintaining strict alignment with our brand guidelines.

• →

  Inventory & Supply Chain Alignment: Partner closely with supply, warehouse, and logistics teams to secure optimal stock availability, manage backend synchronization, enforce quality control, and guarantee rapid fulfillment speeds.

• →

  Financial & Commercial Management: Take ownership of financial reconciliation, carefully validating commission fees and payments. Independently manage PO processing and billing with external suppliers.

• →

  Customer Experience Optimization: Champion the end user. Collaborate with Customer Service to resolve escalated cases, utilizing raw operational data to uncover actionable insights that elevate the omnichannel shopping experience.

• Revenue Generation & ROI: Consistently hit or exceed sales targets through optimized promotional campaigns and agile budget management.

• Operational Excellence: Maintain top-tier fulfillment rates, ensure flawless stock synchronization, and minimize backend system disruptions.

• Customer Satisfaction: Deliver a premium, 5-star buyer journey from the first click to the final delivery, significantly reducing escalated CS cases.

• At least 2 years of experience in e-commerce (platform or agency side).

• Experience with TikTok livestreaming or quick commerce on-demand platforms is a plus.

• Marketplace Expert: You bring proven, hands-on experience managing end-to-end workflows, campaign execution, and system troubleshooting on Shopee (experience with other major platforms is a strong plus).

• Data-Driven & Financially Astute: You possess a sharp commercial acumen. You excel at analyzing complex performance metrics, optimizing budgets, and ensuring pinpoint accuracy in financial and supplier reconciliations.

• Cross-Functional Leader: You are a highly collaborative communicator who can seamlessly align and influence Supply, Logistics, Finance, IT, and Customer Service teams to achieve shared goals.

• Problem Solver with High Initiative: You have a deep curiosity for understanding complex backend processes and the resilience to tackle the fast-paced, high-pressure challenges of e-commerce.

• Passionate Sports Enthusiast: You bring a relentless, energetic “Play to Win" attitude, take full ownership of your domain, and align with Decathlon's core mission of “Bring people together through sport to make wellbeing accessible for all”

• Working Hours: Full-time (Office hours, public holidays off)

• Workplace: Decathlon Office, Bangna