M&M’S Ecommerce&Marketplaces Key Account Manager - M/F/X, Aimargues

Job Description:

Location:

Haguenau

Segment:

Mars Wrigley

Type of contract:

Assignement until end of November 2026

The Ecommerce&Marketplace Key Account Manager is responsible for driving the growth of the

Direct-to-Business (D2B), marketplaces, pureplay and ecommerce channels across Europe , including Amazon and key B2B professional customers.

This role leads the

end-to-end development of the B2B and marketplace ecosystem , including commercial strategy, innovation, partnerships, and P&L ownership. The associate is accountable for expanding the

personalized M&M’S offering for corporate, promotional and retail partners , while unlocking digital growth through strong ecommerce fundamentals, perfect digital store execution, and strategic account management.

Key KPIs include

Net Sales Value (NSV), revenue growth, profitability, new client acquisition, repeat business growth, and marketplace performance.

What are we looking for?

5+ years experience in

Ecommerce, Digital Sales, Marketplace management or Business Development

Experience managing

Amazon, marketplaces or digital retail channels (preferred)

Experience in

B2B commercial development or key account management (preferred)

Strong commercial and negotiation capabilities

Ecommerce and digital marketplace expertise

P&L management and financial acumen

Strategic thinking and innovation mindset

Strong stakeholder management and relationship building

Ability to operate in fast-paced entrepreneurial environments

What will be your key responsibilities? 1. Drive Growth of B2B, Marketplaces and Pureplay Ecommerce

Lead the commercial development of the

D2B, Amazon pureplay and B2B ecommerce businesses

across Europe.

Own the

end-to-end P&L

of the marketplaces and B2B businesses, ensuring sustainable growth and profitability.

Identify and unlock new digital growth opportunities across

marketplaces, pureplay retailers and professional customers.

Track and optimize

Perfect Digital Store fundamentals

across ecommerce platforms (content, visibility, conversion, ratings, availability).

2. Develop Strategic Marketplace&Key Account Partnerships

Build and maintain long-term relationships with

key digital customers and strategic partners .

Manage negotiations, commercial terms, and joint business planning with marketplaces and B2B partners.

Develop and grow partnerships with

top retailers and experiential brands

through personalized M&M’S offerings (e.g., Disneyland Paris collaborations).

Identify and onboard new strategic accounts to expand the M&M’S ecosystem.

3. Expand the Professional B2B Business

Drive

multi‑channel expansion with professional customers across Europe .

Develop and manage the

corporate and promotional product range , including:

Personalized M&M’S products

Custom corporate gifts and branded goodies

End‑of‑year gifting programs

Bespoke corporate offerings

Manage the

B2B e‑commerce experience via ******************* , enabling autonomous purchasing and tailored corporate solutions.

4. Manage the B2B Sales Ecosystem

Manage the

B2B Consumer Care call center , including:

Setting revenue and performance targets

Supervising KPIs and service performance

Leading the work of

dedicated multilingual B2B sales agents

Oversee the

distributor and reseller network , including:

Contract negotiation

Commercial partnerships

Distribution and co‑packing agreements

Drop‑shipping partnerships

5. Lead Innovation&Business Expansion

Lead and support

innovation initiatives

that unlock new growth opportunities across B2B and marketplace channels.

Develop

new product formats and personalized solutions

for professional customers.

Identify emerging trends in

corporate gifting, promotional merchandise and digital commerce .

Partner with Marketing, Supply Chain and Finance teams to bring new concepts to market.

6. Business Development&Industry Presence

Generate new business through

lead generation, prospecting and relationship building .

Organize and attend

key B2B industry trade shows and commercial events

to drive awareness and client acquisition.

Build and maintain a

robust pipeline of potential customers and partners .

Leverage CRM tools to track opportunities and customer engagement.

What can you expect from Mars?

At Mars, we believe in a relationship of mutual trust, dignity and respect between our company and Associates that is more meaningful than the standard employer/employee relationship.

As Associates, we can expect to be respected, supported and valued as individuals, to be treated fairly and equitably.

You will join the most iconic segment of Mars and the world's largest chocolate manufacturer, which includes M&Ms, Snickers, Twix, Maltesers, Freedent, Airwaves and Be-Kind cereal bars

You will join the 1750 Mars Wrigley Associates spread over the 3 sites in Alsace

In Haguenau, you will work on the site of the largest M&M's factory in Europe and the second largest in the world

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