Senior Mobile Manual QA Engineer

Luxoft; Mexico; On-site; PHP 3,699,000 - 5,549,000; Full time

Job summary

Luxoft seeks an experienced QA Engineer focused on mobile application testing to collaborate with clients and cross-functional teams. You will design and execute manual tests for iOS and Android apps, covering native, hybrid, and mobile web platforms, and validate APIs with traffic inspection.

Responsibilities include creating test strategies, maintaining regression suites, and supporting release checks for App Store and Google Play.

Qualifications

• 5+ years as a QA Engineer focusing on mobile apps.
• Manual testing of native, hybrid, and mobile web apps (iOS/Android).
• Strong test design skills (equivalence, boundary, decision tables).
• Ability to define test strategy and device/OS coverage from scratch.
• Familiar with API testing (SOAP/REST).
• Experience with defect tracking in Jira and test management tools.

Responsibilities

• Collaborate with teams and client to find best solutions.
• Onboard quickly to customer processes and product domains.
• Design, create, and maintain test cases, checklists, and regression suites.
• Manually test mobile apps on real devices, simulators, and cloud farms.
• Verify API interfaces and inspect traffic to isolate defects.
• Support App Store/Play submission checks and release readiness.
• Apply AI-assisted testing tools for faster coverage and analysis.
• Report issues with reproducible steps, logs, and evidence.
• Contribute to QA reporting and risk management in reviews.

Skills

Mobile testing

Manual testing

Test design

Exploratory testing

Risk-based testing

API testing

Release verification

Tools

Postman

Charles Proxy

Proxyman

Jira

TestRail

Zephyr

Xray

Job description

Collaborate with other teams and the client to find the best solutions

Quickly onboard to Customer's processes, product domain, and supported device landscape

QA activities:

Test design, creation and maintenance of test cases, checklists, and regression suites

Manual functional, regression, smoke, and exploratory testing of iOS and Android applications

Define and maintain the device/OS coverage matrix; execute testing on real devices, simulators, and cloud device farms

Mobile-specific verification: interruptions, network conditions, permissions, app lifecycle, install/upgrade flows, performance and battery behaviour

API testing (SOAP/REST) and traffic inspection to isolate client-side vs. backend defects

Release candidate verification and support of App Store / Google Play submission checks

Apply AI-assisted testing tools to accelerate test design, exploratory coverage, and defect analysis

Report and track the status of issues in the bug-tracking system, ensuring reproducible steps, logs, and evidence

Participate in requirements review, refinement, and estimation; raise risks and ambiguities early

Contribute to QA reporting

test progress, coverage, and quality metrics for the client

Skills Must have

5+ years working as a QA Engineer with a focus on mobile application testing

Hands-on manual testing of native, hybrid, and mobile web apps on iOS and Android

Test Design

strong level (equivalence partitioning, boundary values, decision tables, state transition, exploratory/risk-based testing)

Test Approach

ability to define test strategy, scope, and device/OS coverage matrix from scratch

Mobile-specific testing expertise: interruptions (calls, notifications), network conditions (offline, 2G-5G, switching), permissions, app lifecycle (background/foreground/kill), install-upgrade-uninstall flows, battery and performance behaviour

SOAP/REST API testing (Postman, Charles Proxy / Proxyman or similar for traffic inspection)

Experience of the formal software development lifecycle, with a solid grasp of manual testing methodologies and tools

Defect management and test documentation in Jira + TestRail / Zephyr / Xray

AI-driven testing tools

working familiarity (test case generation, exploratory support, defect triage)

Awareness of App Store / Google Play release and submission requirements

Keen to learn new technologies and tools

Nice to have

Accessibility (WCAG, VoiceOver/TalkBack) and localization testing

Basic scripting or exposure to Appium/Espresso/XCUITest for collaboration with automation engineers

Analytics/crash-reporting tooling (Firebase Crashlytics, App Center)