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Mobile QA Engineer

Job in McLean, Fairfax County, Virginia, USA
Listing for: NuStar Technologies
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Technical Support
Salary/Wage Range or Industry Benchmark: 130000 - 140000 USD Yearly USD 130000.00 140000.00 YEAR
Job Description & How to Apply Below

Must Have Technical Skills

  • Core Mobile Tech in Scope
  • Ionic (Angular/React/Vue front‑end), Capacitor/Cordova plugin ecosystem and bridge behavior (JS ↔ native), Web View rendering (WKWebView) nuances, and offline/online hybrid flows.
  • iOS (Swift) basics needed for black‑box/gray‑box validation: view lifecycle, networking, push notifications, background modes, Keychain, and deep links/universal links.
  • Plugin Testing: validating Capacitor/Cordova plugins (Camera, Geolocation, Push, File system, In‑App Purchases, Biometric/Auth), permission prompts, and error states.
  • Build & Packaging Awareness:
    Xcode schemes, provisioning profiles, signing, Test Flight distributions;
    Podfile/SPM dependencies for iOS; understanding how Web assets are bundled in Ionic builds.
  • Strong grounding in test strategy, test plans, risk‑based testing, functional and non‑functional coverage (performance, reliability, security, accessibility).
  • (Java/Type Script/Python) for cross‑platform E2E on hybrid apps.
  • (if React‑Native is used in parts) and Charles/Proxyman for traffic inspection & mocks.
  • Proficiency with Xcode Instruments (crash logs, memory, energy), Console.app, device syslogs, and Safari Web Inspector for WKWebView.
Roles & Responsibilities
  • Own test strategy and coverage for features implemented with Ionic + Capacitor/Cordova and native Swift components.
  • Design, write, and maintain test cases, checklists, and automation for smoke/regression/performance suites.
  • Validate hybrid ↔ native bridges: ensure Capacitor/Cordova plugins behave consistently across iOS versions/devices; verify permission flows, fallbacks, and error handling.
  • Execute builds on Simulators & Real Devices; triage issues with reproducible steps, logs, and videos; drive quick root‑cause with developers (front‑end, native, backend).
  • Set up and maintain QA environments, test data, mocks/stubs; collaborate with Dev Ops to wire suites into CI/CD with clear pass/fail signals.
  • Gate releases: run release checklists, Test Flight validation, app upgrade paths, and store‑submission readiness (screenshots, privacy labels, review notes).
  • Champion quality metrics (defect escape rate, flaky test rate, runtime, coverage) and continuously improve the test pyramid (component → integration → E2E).
  • Security & Privacy checks in collaboration with App Sec (TLS, cert pinning behavior if applicable, PII handling, clipboard/pasteboard policies, ATS, tracking transparency).
  • Test plans, decisions, edge cases, and known limitations; provide clear defect reports with logs, HAR files, and device context.

Salary Range - $130,000-$140,000 a year

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