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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Development Engineer in Test (Lead SDET) - **Company:** DIVERSIFIED INC - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $140,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Computing Platforms, Automation of Tests, Code Review, Continuous Delivery, Continuous Integration, Relational Databases, DevOps, Apache JMeter, Python (Programming Language), SQL Databases, System Integration Testing, Test Data, Strategies of Testing, Web Services, Scripting, Performance Testing, Test-Driven Development (TDD), Test Scripts, Apigee, Git, Integration Tests, Api Gateway, Restful APIs, Cucumber (Software), Jbehave, SDET, Jenkins, Microservices - **Published:** September 4, 2026 - **Apply:** https://www.careerjet.com/jobad/us2a2c0130f61d01922587c8e2f3adb207 ## About the Role * Bachelor's degree and 10+ years' experience, * At least 8 years of experience in test automation framework design * Strong design and development skills in two or more of the following technologies and tools: - Java (3-5 years) - Cucumber (3-5 years) - JBehave or other BDD testing frameworks * Strong experience testing Webservices (REST APIs) (3-5 years) * 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 tests using JMeter * Experience testing full stack applications and performing integration testing with 3rd-party systems End-to-end system integration testing experience for software platforms (Desired) * 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 micro service Architecture * Experience load and performance testing * Strong documentation skills, * Ability to adapt quickly to a complex environment * Pro-active, flexible and creative * Very strong communication skills and the ability to collaborate with developers and business users ## Description * Senior SDET Extend testing automation framework using JAVA/JAVA Script * Take ownership in understanding business requirements/ACs and develop test strategy/test plan * Develop automation testcases using existing automation framework * 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 * Position will be onsite hybrid starting day 1. 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