Lead, Software Integration Engineer

Mastercard Inc.; Blackrock; On-site; EUR 120,000 - 170,000; Full time

Benefits offered by this job

Flexible work arrangements

Leadership development opportunities

Access to cutting-edge tools

Competitive compensation and benefits

Diversity and inclusion

Job summary

Mastercard Inc. in Ireland seeks a Lead, Quality Engineer to scale a high-performing quality engineering team in a modern, microservices-driven environment. You will mentor engineers, own test strategy, and drive automation across CI/CD pipelines.

You will collaborate with product and engineering teams to ensure scalable, resilient, and secure payments solutions while advancing TDD/BDD, KPI monitoring, and cutting-edge testing tools.

Qualifications

• 10+ years of experience in software quality engineering, test automation, or software development.
• Proven experience in team building, mentoring test engineers and working with development teams.
• Strong understanding of Agile, microservices architecture, and modern testing methodologies.
• Hands-on experience with automation tools: Karate, Selenium, Playwright, Rest Assured; CI/CD: Jenkins; containerization: Docker; orchestration: Kubernetes, and API testing.

Responsibilities

• Lead end-to-end test automation strategy, including NFR tracking and validation for performance, scalability, reliability, and security.
• Foster a collaborative, inclusive, and high-performing team culture.
• Drive in-sprint testing, shift-left quality, and test automation across the XBS platform.
• Plan, coordinate, and manage CI/CD pipelines and release management processes.
• Design and implement robust testing frameworks using Karate, Selenium, Playwright, Rest Assured, and AI-based tools.
• Monitor Quality KPIs (test coverage, defect leakage, MTTR, release readiness).
• Ensure performance and resilience via JMeter, chaos testing, and contract testing.
• Collaborate with Product Managers, Designers, and Engineers to deliver intuitive, high-value user experiences.
• Promote TDD/BDD and quality gating with SonarQube.
• Continuously improve team processes, tools and testing strategies.
• Stay current with QE trends and adopt new tools and practices.

Skills

Software quality engineering

Test automation

Team leadership

Agile

Microservices

JMeter

Selenium

Playwright

Rest Assured

CI/CD

Java

Python

Education

Degree in Computer Science or Engineering

Tools

Karate

Selenium

Playwright

Rest Assured

JMeter

SonarQube

Jenkins

Git

Docker

Kubernetes

API testing

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

Lead, Software Integration Engineer

About the Role

We are seeking aLead, Quality Engineerto lead and scale a high-performing quality engineering team in a modern, agile, microservices-driven environment. This role blends deep technicalexpertisewith people leadership, driving innovation in testing strategies, automation, CI/CD, and release management.

You willbe responsible formentoring engineers, managing performance, and fostering a culture of ownership, collaboration, and continuous improvement.You’llalso work closely with cross-functional teams to ensure high-quality, scalable, and user-centric solutions in thepaymentsdomain.

Key Responsibilities

Hands-on role to Lead end-to-end test automation strategy, including tracking and validation of Non-Functional Requirements (NFRs) such as performance, scalability, reliability, security, and availability while implementing robus and scalable test automation suite.

Foster a collaborative, inclusive, and high-performing team culture.

Drivein-sprint testing,shift-left quality, andtest automationacrossXBS platform.

Plan, coordinate, and manageCI/CD pipelinesandrelease managementprocesses to ensure smooth, reliable deployments.

Design and implement robust testing frameworks usingKarate, Selenium, Playwright, Rest Assured, andAI-based testing tools.

Implement andmonitorQuality KPIs(e.g., test coverage, defect leakage, MTTR, release readiness).

Ensure performance and resilience throughJMeter,chaos testing, andcontract testing.

Collaborate with Product Managers, Designers, and Engineers to ensure intuitive, high-value user experiences.

Promotetest-driven development (TDD),behavior-driven development (BDD), andquality gatingusing tools likeSonarQube.

Continuously evaluate and improve team processes, tools, and testing strategies.

Stay current with the latest trends in Quality Engineeringand proactively recommend and adopt new tools, frameworks, and practices to enhance team capabilities.

What You Bring

10+ yearsof experience in software quality engineering, test automation, or software development.

Proven experience in team building, and mentoring test engineers and working collaboratively as part of development teams.

Strong understanding ofAgile development,microservices architecture, andmodern testing methodologies.

Hands-on experience with:

• Automation: Karate, Selenium, Playwright, Rest Assured


• Performance & Resilience: JMeter, Chaos testing tools


• Quality & Monitoring: SonarQube, Quality Gates, AI-based testing platforms


• Languages: Java (preferred) ,JavaScript ,Python


• CI/CD & DevOps: Jenkins, Git, Docker, Kubernetes


• Release Management: Coordinating deployments, managing rollback strategies, and ensuring production readiness


• Experience withcontract testing,API testing, andend-to-end service validation.


• Strong analytical, problem-solving, and communication skills.


• Degree in Computer Science, Engineering, or a related technical field.


• Curiosity and initiative to explore emerging QE tools and trends, and the ability to translate them into actionable improvements.

Why Join Us?

Lead a talented team working on impactful products in thepaymentstechnologyspace.

Be part of a culture that values innovation, ownership, and continuous learning.

Access tocutting-edgetools, technologies, and leadership development opportunities.

Competitive compensation, benefits, and flexible work arrangements.

Mastercard is an equal opportunity employerthat values diversity and inclusion. All qualified applicants will be considered without regard to gender, race, ethnicity, religion, sexual orientation, veteran status, disability, or any other protected status.

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.