Senior SDET: Web & API Automation Engineer (Playwright/Selenium)

Quantum Technologies. LLC; Fremont (CA); On-site; USD 80,000 - 113,000; Full time

Benefits offered by this job

Health insurance

Job summary

Quantum Technologies. LLC is seeking an experienced SDET to design, develop, and maintain automated testing frameworks for web apps and APIs. You will create scripts with Playwright, Selenium, or Cypress and validate REST APIs, SQL data, and backend workflows.

Ideal candidates have 8+ years in SDET, strong Java/Python/TypeScript skills, and experience with Jenkins or GitHub Actions in Agile teams, with AI-assisted tooling like Copilot.

Qualifications

• 8+ years of experience in SDET or Test Automation Engineering.
• Strong programming knowledge in Java, Python, or TypeScript.
• Hands-on experience with Playwright or Selenium.
• Experience with TestNG, JUnit, or Cucumber.
• Knowledge of REST APIs, SQL, and Git.
• Integrate automated test suites into Jenkins or GitHub Actions pipelines.
• Work with Agile development teams and participate in sprints.
• Familiarity with AI-assisted tools like GitHub Copilot.
• Collaborate with developers and QA teams to ensure quality.

Responsibilities

• Design, develop, and maintain reusable automation frameworks.
• Create automated test scripts using Playwright, Selenium, or Cypress.
• Perform functional, regression, integration, and end-to-end testing.
• Improve test coverage and automation efficiency.
• Develop and execute API automation using REST Assured or Postman.
• Validate REST APIs, JSON responses, and backend workflows.
• Perform database testing and data validation using SQL.
• Identify defects and perform root cause analysis.

Skills

Java

Python

TypeScript

Playwright

Selenium

Cypress

REST APIs

SQL

Git

Jenkins

GitHub Actions

AI-assisted tools (Copilot)

Agile

Tools

Playwright

Selenium

Cypress

REST Assured

Postman

SQL

Git

Jenkins

GitHub Actions

Docker

Kubernetes

CI/CD tooling

Job description

Quantum Technologies. LLC is seeking an experienced SDET to design, develop, and maintain automated testing frameworks for web apps and APIs. You will create scripts with Playwright, Selenium, or Cypress and validate REST APIs, SQL data, and backend workflows.

Ideal candidates have 8+ years in SDET, strong Java/Python/TypeScript skills, and experience with Jenkins or GitHub Actions in Agile teams, with AI-assisted tooling like Copilot.