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Senior Flutter Mobile QA Engineer

Hector Systems Inc
Baltimore, MD Contractor
POSTED ON 7/28/2026 CLOSED ON 8/12/2026

What are the responsibilities and job description for the Senior Flutter Mobile QA Engineer position at Hector Systems Inc?

Job Description

We are seeking an experienced Senior Flutter Mobile QA Engineer to support a long-term federal program in Baltimore, MD. The ideal candidate will have strong experience in Flutter mobile application testing, Android/iOS testing, API testing, automation frameworks, defect management, and Agile QA delivery.

This position requires working 100% onsite (5 days/week) from Day One.

Responsibilities
  • Perform Functional, Regression, Integration, System, Smoke, and End-to-End testing for Flutter mobile applications.
  • Validate application behavior across Android and iOS platforms.
  • Design, develop, and execute detailed test plans, test cases, and test scripts.
  • Perform API testing using Postman, Swagger, SoapUI, or similar tools.
  • Develop and maintain automation scripts using Appium, Selenium, Flutter Driver, Patrol, or similar frameworks.
  • Log, track, and manage defects using Jira, Azure DevOps, or equivalent tools.
  • Collaborate with developers, business analysts, product owners, and QA teams.
  • Support UAT, production deployments, release validation, and post-production testing.
  • Ensure compliance with accessibility, security, and enterprise QA standards.
  • Participate in Agile/Scrum ceremonies including sprint planning, daily stand-ups, reviews, and retrospectives.
Required Qualifications
  • 10 years of professional IT/QA experience in the USA.
  • Strong experience testing Android and iOS mobile applications.
  • Hands-on experience testing Flutter-based mobile applications.
  • Experience with Functional, Regression, Integration, System, UAT, and End-to-End testing.
  • Strong knowledge of API Testing using Postman, Swagger, or SoapUI.
  • Experience with Mobile Test Automation using Appium, Selenium, Flutter Driver, Patrol, or similar tools.
  • Experience with Jira, Azure DevOps, or other defect tracking tools.
  • Experience working in Agile/Scrum environments.
  • Excellent troubleshooting, documentation, communication, and client-facing skills.
Preferred Qualifications
  • Experience supporting Federal, State Government, Healthcare, or large Enterprise projects.
  • Experience with CI/CD pipelines, Git, mobile build processes, and release management.
  • Knowledge of accessibility testing and secure mobile application testing.Β 



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