Customer Technical Support & Onboarding 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

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Customer Technical Support & Onboarding Engineer

Overview

• Emerging Data Signals is a global group within Mastercard dedicated to the delivery of new innovative solutions in the Open Finance and digital space.

Role

The successful candidate would be responsible for:

• 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.

All About You

• Basic understanding of Java development and object-oriented design
• Understanding of modern web technologies such as React, Node.js, NPM, or Webpack.
• Software architecture and solution design capabilities.
• Experience of 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 skills.
• Experience creating repeatable processes, standards, and documentation.
• Coaching and mentoring capabilities.
• Customer-focused and implementation-oriented
• Highly driven with a pragmatic approach to execution.
• Excellent verbal and written communication skills.
• Strong problem-solving mindset.
• Alignment with Mastercard values and collaborative culture.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.