> Markdown version of [/jobs/ext/3275888-software-test-engineer](https://www.wearedevelopers.com/jobs/ext/3275888-software-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Test Engineer - **Company:** Eliassen Group - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $114,400.0 - $134,680.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Bioinformatics, C Sharp (Programming Language), Code Coverage, Software Quality, Continuous Integration, Github, Nunit, Systems Development Life Cycle, Selenium, Software Engineering, Software Testing Automation Framework, Systems Integration, Strategies of Testing, TypeScript, User Interface Testing, Web Applications, Performance Testing, Cypress (Programming Language), Information Technology, Playwright, Graphql, Teamcity, Restful APIs, Selenium Webdriver, Mocha, Jenkins - **Published:** September 25, 2026 - **Apply:** https://www.juju.com/job/16_232a0d183 ## About the Role Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance., * 5+ years of experience in Software Quality Engineering or related SDLC testing for web and/or instrument applications across front and back end. * 5+ years of software development experience in languages such as C#, Java, JavaScript, or TypeScript. * Understanding of the test pyramid and ability to design unit, component, integration, and end-to-end test suites. * Hands-on experience with API and UI test automation frameworks such as Playwright, Cypress, Selenium, WebdriverIO, and REST/GraphQL testing. * Familiarity with CI/CD tools including GitHub Actions, TeamCity, and Jenkins. * Demonstrated experience leading test strategy and mentoring other engineers. * Strong analytical and problem-solving skills with attention to detail. * Desired: experience with Mocha, NUnit, WebdriverIO, performance testing, usability testing, and security testing., Bachelor's or Master's degree in Computer Science, Bioinformatics, Engineering, or related field. ## Description Our client seeks a Software Test Engineer to lead and execute advanced software testing for web applications and instrument systems with a focus on C# and TypeScript solutions. The role includes designing and implementing automated and manual test strategies, building verification frameworks, and integrating test suites into CI/CD pipelines. The successful candidate will demonstrate technical expertise in modern testing practices, ownership of quality outcomes, and the ability to influence quality across teams., * Develop and maintain automated test frameworks using C# and TypeScript for API and UI testing. * Partner with software developers and domain experts to define test coverage, optimize frameworks, and drive scalable automation solutions. * Own quality metrics for assigned projects, identify risks, and implement improvements. * Mentor and guide junior engineers in testing methodologies, automation practices, and domain knowledge. * Integrate automated test suites into CI/CD platforms such as GitHub Actions, TeamCity, or Jenkins. * Work collaboratively in a fast-paced environment and drive alignment across stakeholders.