SDET

MACHINE LEARNING TECHNOLOGIES LLC; Chicago (IL); On-site; USD 94,000 - 127,000; Full time

Job summary

Machine Learning Technologies LLC in Chicago, IL is seeking a Software Development Engineer in Test (SDET) to design, develop, and maintain automated testing frameworks for enterprise applications.

You will build scalable test automation for API and UI testing, integrate with CI/CD, and collaborate with engineers, product managers, and DevOps to ensure quality across web, mobile, and backend systems.

Qualifications

• 5+ years in SDET/QA Automation or Software Test Eng.

Responsibilities

• Design, develop, and maintain automated test frameworks.
• Create and execute automated tests for web, mobile, and backend.
• Develop UI automation scripts with Selenium, Playwright, or Cypress.
• Perform API testing and validate RESTful services.
• Design and implement test automation strategies (functional, regression, integration).
• Integrate automated tests into CI/CD pipelines for continuous testing.
• Perform database validation with SQL queries.
• Identify and resolve defects; document and track issues.
• Collaborate with developers, QA, product, and DevOps teams.
• Conduct performance/load testing as needed.
• Analyze results and drive quality improvements.
• Maintain test documentation and automation standards.

Skills

Java

Python

JavaScript

TypeScript

Selenium WebDriver

Playwright

Cypress

TestNG/JUnit/PyTest/Cucumber

REST API testing

CI/CD

AWS/Azure/GC

SQL

Docker/Kubernetes

Git/GitHub/Bitbucket

Jira/TestRail

Education

Bachelor's degree in CS/IT/SE

Master's degree preferred

ISTQB certs advantageous

Tools

Selenium WebDriver

Playwright

Cypress

Postman

REST Assured

JUnit

TestNG

Cucumber

Appium

JMeter

Docker

Kubernetes

Jira

Git

GitHub Actions

Azure DevOps

Job description

Software Development Engineer in Test (SDET)

Job ID

J54652

Location

Chicago, IL

Duration

12 Months + Extension

Bill Rate

$80/hr C2C

Job Type

W-2, 1099, C2C

Work Authorization

US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Client

To Be Discussed Later

Position Overview

The Software Development Engineer in Test (SDET) will be responsible for designing, developing, and maintaining automated testing frameworks to ensure the quality, reliability, and performance of enterprise applications. The ideal candidate will have strong software development and automation testing skills, along with experience in API testing, UI automation, and continuous integration. This role focuses on building scalable test automation solutions, identifying defects early in the development lifecycle, and supporting continuous delivery of high-quality software products.

SDET Technologies & Technical Expertise

• Strong programming experience with Java, Python, JavaScript, or TypeScript.
• Hands-on experience with Selenium WebDriver, Playwright, or Cypress.
• Experience developing automation frameworks using TestNG, JUnit, PyTest, or Cucumber.
• Strong knowledge of API testing tools such as Postman, REST Assured, and SoapUI.
• Experience with automation frameworks such as Page Object Model (POM), Data-Driven, and Behavior-Driven Development (BDD).
• Proficiency in SQL and database validation, including complex queries and data verification.
• Experience with mobile automation tools such as Appium is preferred.
• Knowledge of performance testing tools such as JMeter, LoadRunner, or Gatling.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI/CD, or Azure DevOps.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
• Strong understanding of Git, GitHub, Bitbucket, and version control practices.
• Knowledge of Docker, Kubernetes, and containerized test environments.
• Experience with defect tracking and test management tools such as Jira, TestRail, and Zephyr.
• Understanding of Agile, Scrum, SDLC, and STLC methodologies.

Key SDET Responsibilities

• Design, develop, and maintain automated test frameworks and reusable test scripts.
• Create and execute automated test cases for web, mobile, and backend applications.
• Develop UI automation scripts using Selenium, Playwright, or Cypress.
• Perform API testing and validate RESTful services and backend integrations.
• Design and implement test automation strategies for functional, regression, and integration testing.
• Integrate automated test suites into CI/CD pipelines to support continuous testing.
• Perform database validation and backend data verification using SQL queries.
• Identify, document, track, and troubleshoot software defects.
• Collaborate with developers, QA engineers, product managers, and DevOps teams.
• Conduct performance, load, and reliability testing when required.
• Analyze test results, identify quality trends, and recommend improvements.
• Maintain test documentation, automation standards, and testing best practices.
• Participate in code reviews and contribute to improving application quality throughout the software development lifecycle.

Experience & Professional Competencies

• 5+ years of experience in Software Development Engineering in Test, QA Automation, or Software Test Engineering.
• Strong hands-on experience developing automation frameworks using Java, Python, or JavaScript.
• 4+ years of experience with UI automation tools such as Selenium, Playwright, or Cypress.
• Practical experience with API automation and backend testing.
• Strong understanding of test automation architecture, design patterns, and reusable frameworks.
• Experience integrating automated tests with CI/CD pipelines.
• Knowledge of SQL, database testing, and application debugging.
• Experience working in Agile/Scrum development environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication skills and ability to collaborate with cross-functional teams.

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 Software Engineering is preferred.
• Relevant certifications such as ISTQB Certified Tester, ISTQB Test Automation Engineer, Certified Selenium Professional, or similar automation testing certifications are an advantage.

Equal Opportunity Employer

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.