QA Engineer - Functional & System Integration Testing

EPAM Systems

Mexico

Hybrid

PHP 420,000 - 660,000

Full time

14 days+

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Job summary

EPAM Systems is seeking a detail-oriented QA Engineer to safeguard product quality across the delivery lifecycle. You will plan tests, report defects, and support releases to deliver a polished user experience.

You will work with developers, product managers, and analysts in Agile teams, performing manual functional testing on web and mobile apps, and executing system integration tests to ensure reliable cross-component behavior.

Qualifications

2+ years QA engineering experience in Agile teams.
System integration testing experience in web and mobile applications.
Test planning experience for structured test plans and test cases.
Strong knowledge of functional, regression, integration, and smoke testing.
Solid understanding of QA methodologies including black-box, white-box, and boundary testing.
Strong analytical skills and end-user mindset for defect discovery.
Clear written communication skills for reproducible bug reports and documentation.
Upper-Intermediate English proficiency (B2).

Responsibilities

Analyze requirements and designs to define test scope.
Create structured test plans and detailed test cases.
Execute manual functional testing across web and mobile apps.
Perform system integration testing to validate cross-component behavior.
Run regression and smoke tests to protect critical flows.
Document and prioritize defects with clear reproduction steps.
Collaborate with developers to reproduce issues, verify fixes, and identify root causes.
Participate in sprint ceremonies to ensure testable acceptance criteria.
Support UAT by coordinating verification with business stakeholders.
Validate releases via production smoke checks during deployments.