Lead Software Integration Engineer

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

Overview
The SME team is looking for a Lead Software Integration Engineer who can independently contribute in complex situations while supporting quality, engineering, and delivery goals. This role requires strong experience in agile work management, collaboration, integration testing, quality assurance, requirements management, SDLC practices, systems integration, troubleshooting, web services, and workflow management.
The ideal candidate will plan, prioritize, and manage work using agile practices that enable iterative delivery, collaboration, adaptability, and continuous improvement. The role also involves partnering with engineering teams to evaluate source code, identify issues, improve quality, and promote maintainability and coding best practices.
This position designs, executes, and maintains tests that validate interactions across integrated components, systems, services, data flows, interfaces, and dependencies. The candidate will help maintain QA processes and standards that prevent defects, optimize performance, enhance customer satisfaction, and support compliance.
The role requires strong understanding of requirements management, SDLC practices, systems integration, web services, troubleshooting, and workflow management. The candidate should be a key contributor who can informally coach others and help teams deliver reliable, maintainable solutions.
Role
In this role, you will:
- Lead QE activities across assigned projects, including test planning, strategy, validation, automation, and release readiness.
- Design and maintain integration tests for systems, services, APIs, data flows, interfaces, and dependencies.
- Apply agile work management practices to plan, prioritize, and manage work effectively in iterative delivery environments.
- Partner with product owners, developers, and delivery teams to clarify requirements, manage changes, identify risks, and ensure testability.
- Lead UI, API, backend, integration, and performance automation using tools such as Playwright, Cypress, Gatling, and BlazeMeter.
- Troubleshoot complex technical issues across systems, applications, services, integrations, environments, and networks.
- Analyze workflows, remove bottlenecks, streamline procedures, monitor progress, and adapt processes to improve delivery.
- Communicate status, risks, dependencies, and quality insights clearly to stakeholders and leadership while promoting continuous improvement.
All About You / Experience
The ideal candidate for this position should have:
- Strong experience in quality engineering, test strategy, planning, automation, QA, and validation across complex technology programs.
- Hands-on experience with UI, API, backend, and integration automation tools such as Playwright, Cypress, and API automation frameworks.
- Strong experience in API integration testing, backend validation, web services, and system interoperability.
- Experience with API performance testing and tools such as Gatling and BlazeMeter.
- Strong troubleshooting and analytical skills across systems, applications, services, environments, and networks.
- Working knowledge of Git, Jira, XRay, Insomnia, and cloud platforms, preferably Azure.
- Ability to lead teams, support proof-of-concepts, mentor others, and influence scalable quality practices.
- Excellent written and verbal communication skills with a proactive, adaptable, continuous-improvement mindset.

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.