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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # SDET - **Company:** Charles Schwab Inc. - **Location:** Southlake, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** .NET Framework, Agile Methodology, Automation of Tests, Business Software, Business Systems, C Sharp (Programming Language), Cloud Computing, Code Reuse, Code Review, Computer Programming, Databases, Continuous Integration, Data Validation, Extract Transform Load (ETL), Software Debugging, DevOps, Github, HP Loadrunner, Apache JMeter, Junit, Microsoft SQL Server, Regression Testing, E2e Testing, Selenium, Software Engineering, Testng, Web Applications, Performance Testing, Postman, ReactJS, Cypress (Programming Language), AngularJS, Kubernetes, Information Technology, Playwright, Restful APIs, Cucumber (Software), Api Management, Atlassian Bamboo, Docker, SDET, Vulnerability Analysis - **Published:** August 30, 2026 - **Apply:** https://dejobs.org/x/x/59DECE148F964BCFA29683192816218C/job/ ## About the Role We are seeking a Mid-Level Software Development Engineer in Test (SDET) to join our engineering team. This role combines strong software development skills with a passion for quality assurance and automation. You will design, develop, and maintain automated test frameworks, collaborate with developers and business system analysts, and ensure the delivery of high-quality software products. You will be working with a team of talented technologists and SMEs who bring a lot of energy, focus and fresh ideas that support our mission to provide value by seeing the world "Through Clients' Eyes.", * A bachelor's degree in computer science or related field -OR- hands on experience gained through 4-6+ years in a SDET role . * Programming: Strong experience with modern .NET frameworks v6+ as well as C# v10+, software development experience developing and maintaining business applications. * Automation Tools: Selenium, Cypress/Playwright; JUnit/TestNG; BDD frameworks (Cucumber). * API Testing: REST Assured, Postman, Bruno. * CI/CD & DevOps: Bamboo, GitHub Actions; basic knowledge of Docker/Kubernetes. * Database: MS SQL. * Performance Testing: JMeter or LoadRunner. * Familiarity with testing best practices including security, system, integration, and regression testing . * Strong analytical and problem-solving skills . * Excellent communication and collaboration * Attention to detail and customer-centric approach. * Adaptability and continuous learning mindset., * Knowledge of the financial services industry , particularly liquidity concerns like intra-day liquidity and cash movement, is nice to have, but not required. * Experience in ETL and data validation for comprehensive end-to-end testing, including functional, integration, performance, and security testing. * Experience with modern UI frameworks (Angular, React). * Exposure to cloud-based test environments . * Knowledge of Shift-Left Testing and early defect prevention strategies. ## Description * Develop and maintain automated test frameworks for web applications, and REST APIs. * Write clean, efficient, and reusable code for test automation using .NET frameworks * Perform API testing using tools like REST Assured, Bruno, and Postman. * Integrate automated tests into CI/CD pipelines (Bamboo, GitHub Actions, etc.). * Collaborate with developers, BSAs, and product teams in Agile environments . * Conduct performance and security testing using JMeter and vulnerability scanning tools. * Troubleshoot and debug automation scripts and test failures. * Participate in code reviews and advocate for best testing practices. * Ability to work independently and in cross-functional teams. ## Related Videos - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)