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Mars

Customer Development Assistant Manager

Location:  CHN-Guangdong-Guangzhou | China
Location flexibility:  1 office day / week, 2 office days / week, 3 office days / week, 4 office days / week
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Job Description

Job Description:

E-commerce Key Account Manager – Emerging Channels & Business Development

Role Overview

Manage and grow the e-commerce business across WeChat Channels, Dewu, Vipshop and other emerging platforms. Develop new customer relationships and business models, manage distributor performance, and build profitable routes to market through effective commercial planning and cross-functional execution.

Key Responsibilities

Customer Development and Account Management

  • Identify and develop new e-commerce customers, assess commercial potential, and lead negotiations through to launch.
  • Develop annual account plans, strengthen customer relationships, and secure platform support to deliver sales and profit targets.

Distributor and Partner Management

  • Lead distributor selection, onboarding and performance management, with clear responsibilities across platforms, distributors and operating partners.
  • Monitor sales, inventory, payment collection and spending; drive operational improvements and strengthen partner capabilities.

Value Chain Management and Commercial Negotiation

  • Assess supply prices, platform fees, promotional investment and margins across the value chain to evaluate the profitability of each business model.
  • Negotiate commercial terms and investment plans to improve partner economics and returns on investment.

Distribution Model Development

  • Design and optimize supply routes, distribution structures and channel coverage, with clear operating boundaries for distributors and customers.
  • Pilot new business models, coordinate online and offline channels, and scale successful approaches based on performance.

Cross-functional Coordination and Project Delivery

  • Coordinate Marketing, Finance, Supply Chain and Operations to deliver customer and channel initiatives.
  • Set clear objectives, responsibilities and milestones; monitor performance and key risks to ensure delivery against plan.

Qualifications and Experience

  • At least five years of relevant experience in e-commerce account management, customer development or distributor management.
  • Demonstrated experience in commercial negotiation, value chain management and business planning.
  • Strong analytical and financial skills, with the ability to translate sales, cost and margin data into practical commercial decisions.
  • Proven ability to manage partners, coordinate cross-functional teams and deliver projects.
  • Experience with WeChat Channels, Dewu, Vipshop or emerging distribution models is preferred.
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Customer Development Assistant Manager

Guangzhou, CN

#1 MOST FAMILY FRIENDLY COMPANY

Working at Mars

Hybrid

Core hours 11–3

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neonatal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles
Menopause support
On-site gym
On-site barista
Secure on-site parking
On-site catering
Private booths
On-site wellness room
Collaboration spaces

Awards & Accreditations

1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2026
3rd - Best Workplace Benefits

3rd - Best Workplace Benefits

Flexa awards 2026
Most loved - Large companies

Top 5 - Most loved - Large companies

Flexa awards 2026
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2026
1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Most Inclusive Company

Top 5 - Most Inclusive Company

Flexa awards 2025
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Best Workplace Benefits

Best Workplace Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022
Apply

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Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

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