QA Software Tester Needed for Scalable API Test Harness

TechFlow Inc

Freelance · Remote · Flexible hours

About the role

We are modernizing a legacy production platform with a strict zero‑downtime requirement. As a QA Software Tester you will design and execute test strategies that validate stability, performance, and seamless feature rollouts during the migration.

Key responsibilities

• Develop comprehensive manual and automated test plans for critical workflows
• Create and maintain Selenium test suites covering regression and smoke scenarios
• Collaborate with developers to define acceptance criteria and resolve defects quickly
• Monitor release pipelines and verify zero‑downtime deployment metrics
• Document test results and provide actionable quality reports

Must-have skills

• Strong experience in functional testing of web applications
• Proficiency with Selenium WebDriver and test automation frameworks
• Ability to write clear, maintainable automation scripts
• Understanding of CI/CD concepts and version control

Nice to have

• Familiarity with performance testing tools (e.g., JMeter)
• Knowledge of containerized environments and Docker
• Experience in legacy system migration projects