Customer Onboarding & Technical Solutions Engineer

Mastercard Inc.; Rathcoole; On-site; EUR 70,000 - 90,000; Full time

Job summary

Mastercard Inc. is seeking a Customer Technical Support & Onboarding Engineer to drive customer onboarding, implementation and ongoing support across Open Finance initiatives.

You will lead technical solution discussions with customers, ensure compliance with Mastercard standards, and coordinate across commercial, product and engineering teams while mentoring junior engineers. Strong Java fundamentals, React/Node.js, API integrations, and excellent communication are essential.

Qualifications

• Basic understanding of Java development and OO design.
• Familiarity with modern web technologies (React, Node.js, NPM, Webpack).
• Experience integrating APIs and SDKs into customer solutions.
• Proven experience leading customer implementations.
• Strong communication and stakeholder management skills.

Responsibilities

• Drive customer onboarding, implementation, and ongoing support.
• Lead technical solution and architecture discussions with customers.
• Ensure solutions comply with Mastercard standards, best practices, and governance processes.
• Collaborate with business and technology stakeholders to identify opportunities and define solution scope.
• Establish and maintain high-quality technical documentation throughout the delivery lifecycle.
• Coordinate execution across commercial, product, and engineering teams.
• Mentoring and developing junior team members.

Skills

Java basics

React/Node.js

Software architecture

API/SDK integration

Stakeholder management

Mentoring

Communication

Problem solving

Job description

Mastercard Inc. is seeking a Customer Technical Support & Onboarding Engineer to drive customer onboarding, implementation and ongoing support across Open Finance initiatives.

You will lead technical solution discussions with customers, ensure compliance with Mastercard standards, and coordinate across commercial, product and engineering teams while mentoring junior engineers. Strong Java fundamentals, React/Node.js, API integrations, and excellent communication are essential.