Onboarding & Solutions Engineer, Customer Tech & APIs

Mastercard Inc.; Maynooth; On-site; EUR 60,000 - 90,000; Full time

Job summary

Mastercard is seeking a Customer Technical Support & Onboarding Engineer to drive customer onboarding, implementation, and ongoing support, collaborating with customers on technical solutions. You will lead architecture discussions, ensure compliance with Mastercard standards, and mentor junior engineers, bridging business and tech stakeholders in Mastercard's Open Finance initiatives.

Strong Java, React/Node.js, and API integration experience is expected to deliver secure, scalable customer

Qualifications

• Basic understanding of Java development and object-oriented design.
• Experience with React, Node.js, NPM or Webpack.
• Software architecture and solution design capabilities.
• 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 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.

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 development

Object-oriented design

React

Node.js

NPM

Webpack

Software architecture

API integration

Payments domain

Customer implementations

Stakeholder management

Documentation

Coaching and mentoring

Communication skills

Execution mindset

Job description

Mastercard is seeking a Customer Technical Support & Onboarding Engineer to drive customer onboarding, implementation, and ongoing support, collaborating with customers on technical solutions. You will lead architecture discussions, ensure compliance with Mastercard standards, and mentor junior engineers, bridging business and tech stakeholders in Mastercard's Open Finance initiatives.

Strong Java, React/Node.js, and API integration experience is expected to deliver secure, scalable customer