Senior Fintech Key Accounts Leader

Colibrix One; Województwo mazowieckie; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

English/Spanish classes

Training/courses reimbursement

Growth opportunities

Job summary

COLIBRIX ONE is seeking a Senior Account Manager to own a portfolio of high-value merchants and drive growth. You will lead onboarding, coordinate with Compliance and Operations, and mentor junior team members. This role suits a fintech professional who thrives in a regulated environment and wants to elevate client service.

You will work closely with Product and Sales to shape improvements, manage escalations, and protect long-term relationships while pushing revenue targets.

Qualifications

• 2+ years in account management within regulated payments or fintech.
• Proven experience managing key/strategic accounts and onboarding complex merchants.
• Solid understanding of payments products, merchant risk, and AML/KYC requirements.
• Mentoring or coaching colleagues is an advantage.
• Higher education in Business or Economics is an advantage.
• Excellent written communication and ability to explain complex topics clearly.
• Fluency in English; Russian is a plus.

Responsibilities

• Own a portfolio of high-value merchants, advising across finance, compliance and ops.
• Lead onboarding of complex merchants with due diligence and collaboration with Compliance.
• Handle escalations and protect long-term client relationships.
• Identify growth opportunities and contribute to revenue targets.
• Monitor portfolio performance and proactively flag risks with action plans.
• Mentor Account Managers and share knowledge to ramp up the team.
• Contribute to training materials, playbooks, and onboarding guides.
• Represent the voice of the client to Product, Compliance, and Operations.
• Challenge processes to improve efficiency and client experience.
• Ensure client database and records are accurate and up to date.

Skills

Client relationship mgmt

Negotiation & communication

Mentoring

Data-driven thinking

Autonomy

Education

Bachelor's degree in Business/Economics

Job description

COLIBRIX ONE is seeking a Senior Account Manager to own a portfolio of high-value merchants and drive growth. You will lead onboarding, coordinate with Compliance and Operations, and mentor junior team members. This role suits a fintech professional who thrives in a regulated environment and wants to elevate client service.

You will work closely with Product and Sales to shape improvements, manage escalations, and protect long-term relationships while pushing revenue targets.