Senior Account Manager; f​/m​/d

At Moss, we give finance professionals the power to automate their day-to-day and make forward-thinking decisions.

Our culture is what makes that possible: we play to win, we obsess over quality, and we win as One Moss, and it works. Moss closed a €35 million Series C in August 2026, crossing a €1 billion valuation, and became one of Europe's fintech unicorns. Join us for what's next.

This role is 4 days a week onsite in our Amsterdam office.

Our Customer Success team is seeking a Senior Account Manager/Customer Success Manager (f/m/d). You will focus on and work closely with customers in our Dutch market to improve processes and develop innovative strategies in order to maximize value and enhance their experience using the Moss product.

Here’s a bit more on what you can expect to be doing day-to-day:

• Drive customer engagement - through building and nurturing value-creating and scalable relationships you develop a deep understanding of your clients’ and their finance goals. You guide and consult with them in order to drive their engagement and the activation of all the spend management features.
• Upsell - you leverage your deep understanding of both the product and your customer's needs to identify new business opportunities, as well as product and feature optimisation initiatives to increase value for existing accounts.
• Measure success and provide data insights - with the use of specific KPIs you aim to achieve and monitor revenue trajectory through, for example, key metrics such as spend engagement, SaaS uplift and renewals.
• Act as Product ambassador - working closely with internal stakeholders you compile and communicate client feedback and act in an advisory capacity on current and future product features.
• Thrive for process excellence - you aim for continuous improvement, designing and delivering upon the client journey touchpoints that will increase customer satisfaction and contribute towards long-term retention.
• Take Ownership
  - Opportunity to ramp up quickly and progress in your career towards a lead position.

We think you’ll need the following experience and qualifications to succeed in the role:

• 4 + years of experience in a commercial customer‑centric proactive role, ideally in a B2B or SaaS setting.
• Prior experience with upselling products and product features to existing customers.
• Fluent in both Dutch and English.

In addition, here are the skills and attributes we are looking for:

• Customer obsessed
  - You empathize with the needs and pain points of the customer and provide a flawless experience.
• Commercially minded
  - You are able to demonstrate continuous value to customers, leveraging new business opportunities and can confidently negotiate pricing, contracts and add‑ons.
• Clear communicator
  - You are able to communicate complex topics to a range of audiences in a clear, concise and expert manner.
• Analytical mindset
  - You are able to read, interpret and leverage data to prioritize customers, solve complex problems, identify upsell opportunities and retain customer happiness. You can recognise problems before they arise and you challenge the status quo.
• Methodical multi‑tasker
  - You are able to manage multiple requests at same time and prioritize accordingly. You have a structured way of working, employing efficiency and effectiveness in your day‑to‑day tasks.

We believe the greatest benefit we can offer you is the opportunity to develop your skills and progress your career - we’d like to help you on that journey. Here’s what else you can expect:

• An attractive compensation package, including our company stock option plan
• A great place to learn and progress your career, influencing the growth trajectory of…