Senior Software Integration & QA Engineer

Mastercard

Helena (MT)

On-site

USD 110,000 - 150,000

Full time

5 days ago

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Job summary

Mastercard is seeking a Senior Software Integration Engineer to lead QA and test automation across integrated systems. You will design and execute integration tests for APIs, data flows, and services, partnering with developers to ensure high quality deliverables.

The role emphasizes agile practices, continuous improvement, and maintainable automation. Ideal candidates have strong experience in UI/API automation, performance testing, and systems integration, with the ability to guide teams and

Qualifications

Strong experience in quality engineering, test strategy, planning, automation, QA, and software validation across complex technology programs.
Ability to apply skills independently and consistently in complex or nuanced situations.
Strong knowledge of agile principles and practices, including planning, prioritization, iterative delivery, collaboration, adaptability, and continuous improvement.
Experience collaborating with developers and engineering teams to review source code, identify issues, improve maintainability, and promote coding standards.
Hands-on experience with UI and API automation tools such as Playwright and Cypress.
Strong experience in API integration testing and backend validation.
Experience designing and maintaining integration tests that validate data flows, interfaces, dependencies, web services, and system interactions.
Experience with API performance testing and tools such as Gatling and BlazeMeter.

Responsibilities

Perform QE activities across assigned projects, including test planning, strategy, validation, automation, and release readiness.
Collaborate with cross-functional engineering teams to enhance testing processes and strengthen quality practices.
Contribute to QE teams focused on test validation and automation within assigned projects.
Design, execute, and maintain integration tests to validate interactions between systems, services, APIs, data flows, interfaces, and dependencies.
Establish and maintain QA processes and standards that prevent defects and optimize performance.
Apply agile work management practices to plan and manage work in iterative delivery environments.
Partner with product owners and developers to review requirements and acceptance criteria.
Support SDLC activities including requirements, design, coding, testing, deployment, and maintenance.
Contribute to systems integration by validating communication and interoperability across technologies.