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Open nowPosted 10 days ago

Senior Key Account Manager

Workable (global search)108,016 open roles

Where
Barcelona, Catalonia, Spain
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Your applicationOpen nowSenior Key Account ManagerWorkable (global search) · Barcelona, Catalonia, Spain

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Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 10 days ago

Workable (global search) median: 7 days open

The posting

Join COLIBRIX ONE – Innovating the Future of Payments

At COLIBRIX ONE*, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed Electronic Money Institution (FCA Reference No. 927920) and holder of a Financial Institution Licence issued by the MFSA, as well as a principal member of both VISA and Mastercard, we provide comprehensive, real-world financial solutions that include:

  • Global card processing
  • Digital wallet infrastructure
  • Cross-border merchant accounts
  • Alternative payment methods (APMs)
  • Corporate accounts for legal entities

We’re a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we’re looking for talented professionals who are ready to shape the future of fintech.

At COLIBRIX ONE, your work directly powers the digital economy. If you're eager to solve meaningful challenges and build with purpose, we’d love to hear from you.

About the Role As a Senior Account Manager at Colibrix One, you'll take full ownership of our most complex and strategically important merchant relationships. Beyond managing a larger portfolio, you'll act as a go-to expert within the Account Management team: mentoring colleagues, sharing best practices, and helping raise the standard of client service across the team. This is a senior individual contributor role, ideal for an experienced fintech professional who wants to deepen their impact without moving into formal people management.

Key Responsibilities:

  • Own a portfolio of high-value, high-volume, and complex merchants, acting as their trusted advisor and single point of contact across finance, compliance, and operations
  • Lead onboarding of complex or higher-risk merchants, including in-depth document review and close collaboration with Compliance on enhanced due diligence
  • Handle escalations and sensitive client situations, driving them to resolution and protecting long-term relationships
  • Identify growth opportunities within your portfolio (upsell, cross-sell, volume expansion) and contribute to client retention and revenue targets
  • Monitor portfolio performance and client health, proactively flagging risks and proposing action plans
  • Mentor and coach Account Managers: support them with difficult cases, share knowledge, and help new team members ramp up
  • Contribute to training materials, internal playbooks, and onboarding guides for the team
  • Act as the voice of the client internally, feeding insights to Product, Compliance, and Operations to shape improvements and new solutions
  • Challenge existing processes and lead initiatives that improve efficiency and client experience
  • Ensure the client database and account records for your portfolio are accurate and up to date

Your Profile:

  • Strong client-first mindset with a track record of building long-term B2B relationships
  • Confident communicator, able to negotiate, influence, and hold difficult conversations with senior client stakeholders
  • Natural mentor who enjoys helping others grow and sharing expertise
  • Strategic and analytical thinker, comfortable working with data to assess portfolio performance
  • High level of autonomy: able to manage a complex workload and make sound decisions independently
  • Proactive and solution-oriented, with the confidence to challenge established norms

What you need to succeed in this role:

  • 2+ years' experience in account management or a similar client-facing role within a regulated entity (payments, banking, or fintech)
  • Proven experience managing key or strategic accounts, including complex merchant onboarding
  • Solid understanding of payments products, merchant risk, and compliance requirements (KYC/KYB, AML)
  • Experience mentoring or informally coaching colleagues is a strong advantage
  • Higher education in Business Management, Economics, or a related field is an advantage
  • Excellent written communication skills and the ability to explain complex topics clearly
  • Fluency in English and Russian (additional languages are an asset)

What We Offer:

  • Opportunity to shape the future of fintech solutions within a growing company
  • A collaborative and supportive team environment
  • English / Spanish classes
  • Opportunity to receive reimbursement for work-related training/courses

* This position is offered within the COLIBRIX ONE. Employment will be under the appropriate legal entity based on the role and location.

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