SDET Engineer – Ruby

JobCubby; Sunnyvale (CA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

JobCubby in Sunnyvale, CA is seeking an experienced SDET Engineer with strong Ruby expertise to design, develop, and maintain automated testing frameworks and ensure the quality and reliability of software applications. The role focuses on building robust test suites, automating UI, API, and integration tests, and integrating tests into CI/CD pipelines.

Collaboration with developers and participation in code reviews are essential to the success of QA initiatives.

Qualifications

• Experience designing and implementing automated testing frameworks.
• Strong Ruby/Ruby on Rails testing experience required.
• Proven ability to automate UI, API, and integration tests across platforms.

Responsibilities

• Design and develop automation frameworks using Ruby.
• Build and maintain automated UI, API, and integration tests.
• Develop reusable test scripts and improve test coverage.
• Execute functional, regression, integration, and end-to-end testing.
• Integrate automated tests into CI/CD pipelines.
• Analyze test failures and collaborate with developers.
• Participate in code reviews and QA strategy development.

Skills

Ruby

Ruby on Rails

Test Automation

API Testing

CI/CD

Agile/Scrum

Tools

RSpec

Cucumber

Capybara

Selenium

Postman

Jenkins

Job description

Title: SDET Engineer – Ruby

Location: Sunnyvale, CA

Terms: Long term

Job Details,

We are looking for an experienced SDET Engineer with strong Ruby expertise to design, develop, and maintain automated testing frameworks and ensure the quality and reliability of software applications.

Key Responsibilities

• Design and develop automation frameworks using Ruby.
• Build and maintain automated UI, API, and integration tests.
• Develop reusable test scripts and improve test coverage.
• Execute functional, regression, integration, and end-to-end testing.
• Integrate automated tests into CI/CD pipelines.
• Analyze test failures, troubleshoot issues, and work closely with developers.
• Participate in code reviews and contribute to overall QA strategy.

Required Skills

• Strong hands‑on experience with Ruby/Ruby on Rails.
• Experience with RSpec, Cucumber, Capybara, Selenium or similar tools.
• Strong API testing experience using REST/HTTP.
• Experience with SQL/database testing.
• CI/CD experience with Jenkins, GitHub Actions, GitLab, or similar.
• Strong understanding of software testing methodologies and automation frameworks.
• Experience with Git and Agile/Scrum environments.