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Senior Client Implementation Manager (F/H)

Posted October 24, 2025
fulltime_permanent mid_level

Job Overview

ABOUT THE COMPANY 

 

Lemonway simplifies complex and regulated payment transactions for marketplaces  

 

We provide a dedicated payment solution for Alternative Finance platforms and B2B/B2C/C2C marketplaces across Europe. 

 

Our innovative SaaS solution empowers over 400 platforms to securely collect funds while adhering to regulatory frameworks such as DSP2, Payment Agent, KYC, and AML/CTF.  

 

Join our fast-growing scale-up and be a part of one of the most exciting and innovative solutions in an expanding market!  

 

  • Collaborate with a motivated and talented team from diverse backgrounds  

  • Shape the future of payment by tackling complex and innovative challenges  

  • Develop your skills in a rapidly growing fintech environment 

 

ABOUT THE POSITION 

As part of the Solution Delivery & Implementation team, you will lead the complex implementation of Lemonway’s payment solutions for strategic customers. From contract signature to the first successful transaction, you will be the main point of contact and orchestrate the end-to-end delivery of tailored API integrations with a focus on complex payment schemes.

 

Responsibilities

 

●       Lead full lifecycle implementations of Lemonway’s solutions for top-tier strategic clients, following established processes.

 

●       Understand customer complexity and design their payment architecture, user journeys, and integration strategies.

 

●       Coordinate and align internal and external stakeholders (product, tech, compliance, sales) throughout the implementation.

 

●       Support customers through API integration, advise on payment workflows, and ensure compliance with regulatory requirements.

 

●       Collaborate with Product on pilot implementations, document new processes, and relay customer feedback to influence product improvements.

 

●       Partner with Sales to develop customized offers addressing clients’ payment complexities.

 

 

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