Sr Quality Assurance Engineer

Role :
Sr Quality Assurance Engineer

Location :
New York

Bill rate :$65/hr on C2C

Skills - QA, Node/Node.

JS, API, Functional Testing, Regression and Perf testing, Kubernetes, AWS, JMeter, K6

The Role

We are seeking a highly experienced Senior QA Engineer with strong expertise in both frontend and backend applications, APIs, web, and native mobile applications. This role requires a hands-on quality leader who drives automation strategy, ensures high engineering standards, and embeds quality throughout the entire software development lifecycle.

The ideal candidate will function as a platform SME, championing automation, scalability, security, and performance across full-stack systems deployed in cloud environments.

Key Responsibilities

• Develop and maintain comprehensive test cases, test strategies, and test plans, striving toward high levels of test automation using modern frameworks and programming languages.
• Ensure robust test automation across APIs, backend services, web frontend applications, and native mobile applications.
• Design, build, and maintain scalable automation frameworks for frontend UI, backend services, and API layers.
• Perform and support manual and automated testing, including:
• Functional testing
• Regression testing
• Integration and system testing
• Performance and scalability testing
• Security and compliance testing
• Drive quality improvements through collaboration with engineers, including support for unit testing and code refactoring.
• Promote and enforce Test-Driven Development (TDD) and Behavior-Driven Development (BDD) practices.
• Act as a Platform SME for Quality Engineering, defining and driving automation and testing strategy at the application level.
• Review user stories and product backlogs, deriving detailed test cases from requirements and specifications to validate:
• Completeness and edge cases
• Performance and reliability
• Scalability and testability
• Usability and accessibility
• Security and compliance
• Define risk-based testing approaches and provide recommendations on prioritization aligned with delivery timelines.

• Integrate automated tests into CI/CD pipelines, enabling continuous testing and rapid feedback.
• Conduct application security testing, validating against common vulnerabilities (e.g., OWASP Top 10).
• Validate applications deployed in public cloud environments (AWS, Azure, or GCP).
• Utilize industry-standard tools for defect tracking, source control, test case management, automation reporting, and monitoring.
• Mentor QA and engineering team members on automation best practices and framework adoption.
• Continuously evaluate and adopt new testing tools, frameworks, and quality practices.

Minimum Qualifications

• 6+ years of experience in Software Quality Assurance across frontend and backend applications.
• Strong experience testing Backend services (Node.js preferred), RESTful APIs, Web frontend applications, Native mobile applications
• Expert knowledge of Testing Frameworks and Automation Design Patterns, including TDD, BDD, Page Object Model (POM)
• Experience with automation tools such as Webdriver
  
  IO, Mocha
  
  JS, Postman, UI automation frameworks (e.g., Selenium, Cypress, Playwright or similar)
• Strong understanding of unit testing frameworks and code coverage practices.
• Experience integrating automation into CI/CD pipelines (Jenkins, Git Hub Actions, Git Lab CI, Azure Dev Ops, etc.).
• Experience with defect tracking and source control tools (e.g., Jira, Git).
• Experience working in Agile/Scrum environments.
• Strong understanding of Clean code principles, Test-driven development, Agile engineering mindset
• Knowledge of public cloud platforms (AWS, Azure, or GCP).
• Experience in application security testing.
• Proven ability to build and adopt new test frameworks.
• Excellent communication, collaboration, and leadership skills.
• High engagement, strong self-organization, and team-oriented mindset.

Preferred Qualifications

• Experience with performance testing tools (e.g., JMeter, k6).
• Experience with microservices architecture.
• Experience with containerization (Docker, Kubernetes).
• Familiarity with accessibility testing standards.
• QA certifications (e.g., ISTQB) are a plus.