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Senior Subject Matter Expert - Card Payments

Enfuce
Spainfull_timeVerifiedPosted 18 Feb 2026

About the role

About the role:

  • Join Enfuce at a pivotal moment as we build and scale our next-generation card processing platform. As a Staff Subject Matter Expert in Card Payments, you will define and lead new card scheme integrations, shaping how our platform connects to Visa, Mastercard, and future schemes.

  • This is a highly influential role where deep card-payments expertise meets platform leadership. You will work closely with architecture, product, and scheme partners to drive certifications, define standards, and ensure Enfuce’s processing capabilities are robust, compliant, and future-proof.

What you'll be doing:

  • Own and lead the end-to-end certification and integration with card schemes (Visa, Mastercard), acting as the primary SME authority across internal teams and scheme counterparts.

  • Collaborate with the Product Managers, engineers and architects on product and feature design. 

  • Lead process flows definition with software architects.

  • Collaborate with scheme representatives and internal stakeholders to balance technical simplicity with business logic needs. 

  • Own and drive scheme-related requirements, translating complex scheme rules into clear, actionable guidance while influencing architectural and product decisions.

  • Actively share domain knowledge with team members through delegation, mentoring, and documentation. 

  • Utilize extensive experience in card processing, authorization, clearing, ISO8583 specification, and scheme ecosystems. 

  • Define testing strategies, acceptance criteria, and quality standards for scheme integrations, working with engineering teams to ensure full coverage and compliance.

  • Mentor other subject matter experts in their work. 

  • Assist in migration topics and integration options with Visa/Mastercard.

  • Serve as point of contact for the customer to support defining workflows and gathering requirements based on their business needs

  • Identify opportunities for process and tool improvements, challenging leadership decisions when necessary. 

  • Advocate for the use of available tools from Mastercard and educate stakeholders on their benefits.

What you'll bring:

  • Proactive leadership and initiative-taking, demonstrated through examples such as test API and MDES projects. 

  • Strong requirement elicitation skills, capable of questioning and clarifying requirements to ensure alignment with business needs. 

  • Extensive technical knowledge of payment schemes, EMV frameworks, and modern card-processing architectures.

  • Ability to analyze and generate reports, including PSD2, QMR, authorization, transaction, and balance summaries. 

  • Proficiency in working with Visa and Mastercard scheme manuals and tools. 

  • Experience using log analytics tools for monitoring and troubleshooting. 

  • Strong research skills and industry knowledge, staying updated through Mastercard and Visa seminars and training sessions. 

  • Ability to advise engineering and operation teams on issues and solutions.

Why You’ll Love Working At Enfuce:

  • High autonomy & ownership: We give you the freedom to own your work and trust you to make the best decisions for your projects.

  • Top-tier talent: Join a team of industry experts and highly skilled professionals who are as passionate as you are about innovation.

  • Unlimited growth potential: We support your ambition with plenty of room for personal and professional growth within the company.

  • Flexible, remote work: Work from anywhere up to 30 days, in an environment that values flexibility and work-life balance.

  • A supportive culture: You’ll be part of a team that encourages, motivates, and celebrates success together.

Comprehensive benefits package: We take care of our people with great benefits to match the value you bring.

Benefits & Perks:

Fair pay and employee stock option:

  • We value th

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Company

Enfuce

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