Senior SDET Java API Performance Testing Automation

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Senior SDET Java API Performance Testing Automation at 3Core Systems is a contract onsite role in Chicago, IL. You will extend and own the API test automation framework with Java and JavaScript, define the test strategy, and develop automated REST API tests in CI/CD. The role requires technical leadership across onshore and offshore teams, collaboration with product owners, and automated as well as exploratory testing. Required: eight years in automation framework design; Java and Cucumber or BDD three to five years; REST API testing three to five years; SQL; JMeter three plus years. Desired: Python, AWS, DevOps, Apigee, Agile, microservices, strong documentation. To apply, tailor your resume to show measurable automation outcomes and leadership, and be ready to discuss your framework architecture and tool choices.

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## Job Overview The Senior SDET will extend testing automation framework using JAVA/JAVA Script, take ownership in understanding business requirements/ACs and develop test strategy/test plan, and develop automation test cases using existing automation framework. ## Responsibilities - Develop test automation code for Continuous Integration (CI), Continuous Delivery (CD), of systems, infrastructure, and test framework. - Plan, design, develop, and maintain API test automation framework that facilitates automation scripting, execution, and analysis of results. - Provide technical leadership and mentoring for test engineers on multiple applications/projects onshore and offshore; train and mentor project team members to create, execute, analyze, and maintain automated regression suites. - Coordinate with product owner to resolve open issues/enhancements/upgrades and understand the use of a specific functionality as needed. - Develop automated functional scripts using tools such as Java, Karate, JMeter. - Perform exploratory and manual testing of the product suite as appropriate. - Provide expertise in testing methodologies, best practices, and standards. ## Required Skills - Strong design and development skills in: - **Java** (3-5 years) - **Cucumber** (3-5 years) - **JBehave** or other BDD testing frameworks - At least **8 years** of test automation framework design. - **3-5 years** of experience testing Webservices (REST APIs). - Proven experience developing test scripts, test cases, and test data. - Ability to write queries in **SQL** or other relational databases. - **3+ years** of experience developing scenario-based performance testing using **JMeter**. - Experience testing full stack and integration testing with 3rd parties. - End-to-end system integration testing experience for software platforms. ## Desired Technical Skills - Hands-on experience with **Python**. - Development experience in **AWS** Cloud technology. - Experience in **TDD**, continuous integration, code review practice is strongly desired. - Experience with **Apigee** or other API gateways is a plus. - Experience with **DevOps** concepts and tools (e.g., CI/CD, Jenkins, Git). - At least 2 years working on an Agile team with a solid understanding of Agile/Lean practices. - Understanding of a microservice architecture. - Experience in load and performance testing. - Strong documentation skills.