SDET

Ethereum Technologies LLC; Austin (TX); On-site; USD 97,000 - 138,000; Full time

Job summary

Ethereum Technologies in Austin, TX seeks a Senior SDET to design and maintain scalable automated testing for web apps, APIs, and backend services. You will implement UI automation with Selenium/Playwright/Cypress and build robust API test suites, integrating them into CI/CD pipelines for faster releases.

The role requires hands-on programming, strong automation expertise, and experience with distributed systems, microservices, and cloud platforms.

Qualifications

• 6+ years in software testing, quality engineering, or test automation.
• 3+ years of UI automation (Selenium, Playwright, or Cypress).
• 3+ years API automation and RESTful testing experience.
• Strong programming and debugging skills for reusable tests.
• Experience integrating tests with Jenkins, GitHub Actions, or Azure DevOps.

Responsibilities

• Design, develop, and maintain scalable automated test frameworks for web apps, APIs, and backend services.
• Develop and execute automated test cases for functional, regression, and integration testing.
• Implement UI automation with Selenium, Playwright, or Cypress.
• Create automated API test suites for service integrations and authentication.
• Integrate tests into CI/CD pipelines for continuous testing.
• Collaborate with developers to identify quality risks early in SDLC.
• Perform database validation using SQL queries and data comparison.

Skills

UI automation tools

Automation frameworks

API testing

CI/CD

Programming

SQL/database testing

Cloud platforms

Agile/Scrum

Education

Bachelor's degree

Master's degree preferred

ISTQB Advanced cert

Automation credentials (Selenium/Playwright)

AWS/Azure cert

Tools

Selenium

Playwright

Cypress

JUnit/TestNG

REST Assured

Postman

JMeter

GitHub Actions

Jenkins

Docker

Kubernetes

SQL

GraphQL

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: SDET (Software Development Engineer in Test)

Location: Austin, TX

Duration: 12 Months + Extension

Bill Rate: $85/hr C2C

Job Type: W-2, 1099, C2C

Position Overview:

The ideal candidate will combine strong software development and quality engineering skills to design, develop, and maintain scalable automated testing solutions. The SDET will work closely with software developers, QA engineers, architects, and product teams to build reliable test automation frameworks and ensure application quality throughout the software development lifecycle. This role requires hand-on programming experience, expertise in automation frameworks, API testing, CI/CD integration, and modern testing methodologies.

SDET Technologies & Technical Expertise:

• UI Automation: Selenium WebDriver, Playwright, Cypress, WebdriverIO, and Appium.
• Automation Frameworks: TestNG, JUnit, PyTest, Cucumber, BDD, TDD, and Page Object Model (POM).
• API & Web Services Testing: REST Assured, Postman, SoapUI, Swagger, REST APIs, GraphQL, and microservices testing.
• Performance Testing: JMeter, LoadRunner, Gatling, stress testing, load testing, and scalability testing.
• CI/CD & DevOps: Jenkins, GitHub Actions, GitLab CI/CD, Azure DevOps, Docker, and Kubernetes.
• Version Control: Git, GitHub, GitLab, and Bitbucket.
• Database Testing: SQL, PostgreSQL, MySQL, Oracle, MongoDB, and backend data validation.
• Cloud Platforms: AWS, Microsoft Azure, and Google Cloud Platform.
• Test Management & Defect Tracking: Jira, Zephyr, TestRail, qTest, and Azure Test Plans.
• Agile Practices: Scrum, sprint planning, continuous testing, test-driven development, and shift-left testing.

Responsibilities:

• Design, develop, and maintain scalable automated test frameworks for web applications, APIs, and backend services.
• Develop and execute automated test cases for functional, regression, integration, and end-to-end testing.
• Implement UI automation solutions using Selenium, Playwright, or Cypress.
• Create automated API test suites to validate service integrations, response payloads, authentication, and business logic.
• Integrate automated test suites into CI/CD pipelines to support continuous testing and faster release cycles.
• Collaborate with developers and architects to identify quality risks early in the software development lifecycle.
• Perform database and backend validation using SQL queries and data comparison techniques.
• Identify, troubleshoot, and resolve automation failures, flaky tests, and application defects.
• Conduct performance, load, and stress testing to evaluate application stability and scalability.
• Participate in code reviews and recommend improvements to automation architecture and testing practices.
• Maintain test documentation, execution reports, defect logs, and quality metrics.
• Support Agile ceremonies, sprint reviews, release validation, and production readiness activities.
• Promote shift-left testing, test coverage improvements, and quality engineering best practices.

Experience & Professional Competencies:

• 6+ years of overall experience in software testing, quality engineering, or test automation.
• 3+ years of experience with UI automation tools such as Selenium, Playwright, or Cypress.
• 3+ years of experience in API automation and RESTful web services testing.
• Strong programming and debugging skills with the ability to develop reusable test automation solutions.
• Experience integrating automated tests with Jenkins, GitHub Actions, or Azure DevOps pipelines.
• Working knowledge of SQL and database testing concepts.
• Experience testing distributed applications, microservices, and cloud-based platforms.
• Understanding of object-oriented programming, design patterns, and automation framework architecture.
• Knowledge of Agile/Scrum, SDLC, STLC, CI/CD, and continuous testing practices.
• Strong analytical thinking, troubleshooting, communication, and collaboration skills.

Academic Qualifications & Preferred Certifications:

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.
• Master's degree in Computer Science or a related technical discipline is preferred.
• ISTQB Advanced Test Automation Engineer certification is an advantage.
• Certified Selenium, Playwright, or other automation testing credentials are preferred.
• AWS Certified Developer or Microsoft Azure certification is a plus.
• Additional training in Java/Python programming, API automation, and DevOps practices is beneficial.

Other:

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/immigration status, veteran status, or any other status protected under federal, state, or local law.