Senior SDET - Web & API Automation Leader

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

Job summary

Ethereum Technologies in Fremont, CA is seeking an experienced Software Development Engineer in Test (SDET) to design and maintain automated testing frameworks for web applications and APIs. The ideal candidate has 8+ years in test automation, strong coding skills in Java, Python or TypeScript, and hands-on experience with Playwright or Selenium and CI/CD pipelines.

Responsibilities include building reusable automation frameworks, creating test scripts, validating REST APIs and backend workflows

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.

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.
• Integrate automated test suites into CI/CD pipelines (Jenkins, GitHub Actions).
• Collaborate with developers and QA teams in Agile sprints.
• Leverage AI-assisted tools to improve test development.

Skills

SDET experience

Automation testing

Java

Python

TypeScript

Playwright

Selenium

CI/CD

Git

Tools

Playwright

Selenium

Cypress

REST Assured

Postman

TestNG

JUnit

Cucumber

SQL

Git

Jenkins

GitHub Actions

Docker

Kubernetes

Appium

Job description

Ethereum Technologies in Fremont, CA is seeking an experienced Software Development Engineer in Test (SDET) to design and maintain automated testing frameworks for web applications and APIs. The ideal candidate has 8+ years in test automation, strong coding skills in Java, Python or TypeScript, and hands-on experience with Playwright or Selenium and CI/CD pipelines.

Responsibilities include building reusable automation frameworks, creating test scripts, validating REST APIs and backend workflows