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Customer Success Manager

Relex

Lille, France permanent

Posted: January 26, 2026

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Quick Summary

Customer Success Manager is responsible for ensuring customer satisfaction and loyalty through effective communication and relationship-building with customers, driving sales growth and revenue through upselling and cross-selling, and providing exceptional customer service.

Job Description

About RELEX

RELEX Solutions creates cutting-edge supply chain and retail planning software. Within our platforms, we have the power and potential to increase adaptability, efficiency and sustainability in the consumer
goods and retail value chain. Our impact is tangible; from sustainability and eliminating waste to delighting customers and delivering great tailored tech solutions, we’re curious and passionate challenge-seekers creating the future of retail today.

In times of rapidly changing, fragmented consumer demand, new sales and fulfillment channels, and supply chain disruption, RELEX’s AI-driven, cloud-based platform helps CPG (Consumer Packaged Goods) brands and retailers move fast and find new ways to meet consumer needs while improving operational efficiency and controlling costs.

In response to our fast growth and market expansion, we are looking for an enthusiastic Customer Success Manager to join our RELEX team in France.

The role:

As a Customer Success Manager you will work with strategic development of our customers business processes. You will also be responsible for developing and maintaining executive/senior level customer relationships, contribute to revenue growth by generating and leading upsell/cross-sell cases within your existing customer base. We expect you to be able to drive upsell/cross-sell deals from start to finish independently.

What you will be doing:

• Owning and maintaining customer relationships on strategical level with decision makers

• Communicating measurable value and proactively identify development needs at our customers

• Monitoring customer's key performance metrics and taking necessary actions to improve them 

• Through strategical thinking and analysis identify profitable strategical solutions for our customers

• Influence with the domain knowledge on at least lower levels of Customers governance model

• Identify commercial development opportunities by analysing customer strategies to increase sales, reduce costs and maximize the efficiency of in-store operations, and identify upsell/cross-sell opportunities

What you’ll bring to the table:

• Relevant university degree

• Experience in Business-to-Business (B2B) relationship building on executive/senior level, developing customer accounts and building relationship towards C-level in large organizations

• Experience from working with customers in grocery, consumer products goods (CPG), DIY, fast-moving consumer goods (FMCG) retailers or suppliers

• Experience from strategic account management and proven success in building sustainable growth for your customer base

• Deep knowledge in Process (and software solution) in Supply Chain Management (demand planning, inventory management, replenishment) and, as a plus, in any of the following areas:

• Space & Assortment

• Pricing and Promotions

• Workforce (management, optimization, workload forecasting)

• Excellent communication skills in both French and English 

What we consider as an advantage:

• Experience from Tier 1 retailers

• Experience from strategic account management for business accounts in the software industry

• Proven track of value added selling by building a trusted advisor position at the customer

What we offer:

• A front row seat in a rapidly growing and international software company 

• Working with a fun, ambitious and committed team of smart people 

• A respectful and professional, yet easy-going atmosphere where individual thinking is encouraged 

• Position where you can help retailers to continuously improve their business process efficiency , and then add value by increasing products availability and decrease costs with positive impact on their profitability,

• Responsible for advanced customer development and relationship management with our customers C-level  

• A motivating structure where you get compensated based on the value you provide to your customers

If you love fruitful customer relationships and developing outstanding planning process within retail - we give you the opportunity to experience all this and more. 

You can apply by sending your resume through the application form as soon as possible. Please note that we will fill this position as soon as we’ve found the right person, so we recommend that you act quickly.

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