Customer Onboarding & Tech Support Engineer

Mastercard Inc.; Dundrum; 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, and to lead technical solution discussions with customers.

You will coordinate with product, engineering and commercial teams, ensure adherence to Mastercard standards, and mentor junior colleagues while delivering high-quality documentation and scalable processes. You will bridge business and technical discussions, manage stakeholders, and contribute to

Qualifications

• Basic understanding of Java development and object-oriented design.
• Familiarity with modern web technologies such as React, Node.js, NPM or Webpack.
• Experience in software architecture and solution design.
• Experience integrating APIs and SDKs into customer solutions.
• Payments, commerce or financial services experience is desirable.
• Proven experience leading customer implementations.
• Ability to bridge business and technical discussions.
• Strong stakeholder management and cross-functional collaboration.
• Experience creating repeatable processes, standards, and documentation.
• Coaching and mentoring capabilities.

Responsibilities

• Driving customer onboarding, implementation, and ongoing support activities.
• Leading technical solution and architecture discussions with customers.
• Ensuring solutions comply with Mastercard standards, best practices, and governance processes.
• Collaborating with business and technology stakeholders to identify opportunities and define solution scope.
• Establishing and maintaining high-quality technical documentation throughout the delivery lifecycle.
• Coordinating execution across commercial, product, and engineering teams.
• Mentoring and developing junior team members.

Skills

Java basics

React

Node.js

NPM

Webpack

Software architecture

API integration

Payments domain

Customer implementations

Stakeholder management

Documentation

Mentoring

Communication

Cross-functional collaboration

Problem solving

Job description

Mastercard Inc. is seeking a Customer Technical Support & Onboarding Engineer to drive customer onboarding, implementation and ongoing support, and to lead technical solution discussions with customers.

You will coordinate with product, engineering and commercial teams, ensure adherence to Mastercard standards, and mentor junior colleagues while delivering high-quality documentation and scalable processes. You will bridge business and technical discussions, manage stakeholders, and contribute to