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Senior SDET Engineer (Playwright + TypeScript)

Nexaminds Guadalajara, Sonora, Mexico

remotefull-time
Posted Feb 4, 2026Apply by Mar 6, 2026

Role & seniority: Senior SDET Engineer (Automation QA focus); Quality subject-matter-expert on a Scrum Team

Stack/tools: Playwright, TypeScript; Selenium-based UI automation; API testing; SQL; Azure DevOps; Agile tools; experience with US-based teams

Top 3 responsibilities

  • Own test planning, design, and execution across E2E, integration, UI, API, and data layers; drive Shift Left and QA best practices

  • Participate in Scrum ceremonies; review user stories, acceptance criteria, and testability; provide test coverage inputs

  • Develop and maintain automated tests; analyze defects, perform root-cause analysis, generate testing metrics, and support CI/CD health

Must-have skills

  • 4+ years of testing experience (DB, API, UI) with Playwright/TypeScript; Selenium UI automation

  • Enterprise application testing; API testing; basic SQL; Object-Oriented Programming knowledge

  • Strong communication in English; Agile experience; experience with Azure DevOps or similar test/defect tools; experience with US-based teams

Nice-to-haves

  • Deeper Automation QA focus; additional OO language proficiency; mentoring junior testers; production issue troubleshooting

  • Location & work type: Mexico-based; full-time role; remote work options and flexible hours encouraged

Full Description

Unlock Your Future with Nexaminds!

At Nexaminds, we're on a mission to redefine industries with AI. We're passionate about the limitless potential of artificial intelligence to transform businesses, streamline processes, and drive growth.

Join us on our visionary journey. We're leading the way in AI solutions, and we're committed to innovation, collaboration, and ethical practices. Become a part of our team and shape the future powered by intelligent machines. If you're driven by ambition, success, fun, and learning, Nexaminds is where you belong.

As a Senior SDET Engineer, you will be the Quality subject-matter-expert on a dedicated Scrum Team and will own all aspects of test planning and execution. You will participate in scrum ceremonies, including product design reviews and backlog requirements, while providing input on testability of requirements and acceptance criteria. Our Quality Assurance Engineers are also responsible for driving adoption of QA best practices and leading Shift Left approach for quality deliverables within their aligned team.

Location: MEXICO

Qualifications we are looking for

Bachelor's degree or equivalent amount of relevant work experience 4+ years of testing experience that includes testing database, APIs and UI applications (playwright & typescript) Experience and hands-on in testing enterprise applications Good communications skills Agile experience Experience with working with US based teams Experience with test and defect management tools (preferably Azure DevOps) Experience with API testing Basic SQL knowledge to be able to write and run basic scripts Experience with Selenium-based Web UI automation Knowledge of Object-Oriented Programming Language Strong communication and collaboration skills. Excellent written and verbal communication skills in English

Automation QA (in addition to the above)

Experience with Selenium-based Web UI automation Strong knowledge of Object-Oriented Programming Language More skills are listed below under Automation QA

Job duties

Participate actively in all scrum ceremonies Test cases documentation and test case execution of all kinds of tests such as E2E, Integration and so on Capture and present testing metrics Analyzes user stories, Reviews & provides input to acceptance criteria and determine optimal test coverage resulting in high quality product. Provides accurate estimates for test efforts including test case design/scripting, test data management, test execution, and defect correction. Designs and creates test strategies, test cases/scripts that provide accurate and complete coverage of user stories and requirements, including positive scenarios, negative scenarios, and edge cases; this may be done individually, in pairs, or mobs. Reviews test cases / automated test scripts of more junior test engineers. Develops, maintains, and executes automated tests. Troubleshoots and drives resolution of automated test run failures. Executes test cases and captures test results. Identifies / participates in execution of end-to-end test scenarios. Maintains the health of automated test scripts to ensure efficient operation of the continuous integration pipeline. Conducts impact analysis to determine both manual and automated regression test coverage. Organizes tests and executions to promote re-usability. Participates in smoke test activities during deployments. Assigns test activities to other testers within the scrum team. Identifies and documents defects found during test cycles, participates in defect prioritization sessions. Helps troubleshoot production issues. Conducts root cause analysis. Identifies opportunities to the scrum team to improve application code quality by increasing unit and integration test coverage. Collaborates effectively within scrum team

What you can expect from us

Here at Nexaminds, we're not your typical workplace. We're all about creating a friendly and trusting environment where you can thrive. Why does this matter? Well, trust and openness lead to better quality, innovation, commitment to getting the job done, efficiency, and cost-effectiveness.

Stock options 📈 Remote work options 🏠 Flexible working hours 🕜 Benefits above the law But it's not just about the work; it's about the people too. You'll be collaborating with some seriously awesome IT pros. You'll have access to mentorship and tons of opportunities to learn and level up.

Ready to embark on this journey with us? 🚀🎉 If you're feeling the excitement, go ahead and apply!

Nivel de antigüedad Intermedio Tipo de empleo Jornada completa Función laboral Ingeniería y Tecnología de la información Sectores Desarrollo de software personalizado de sistemas de TI

TestingAPIsUI ApplicationsPlaywrightTypeScriptAgileSeleniumSQLObject-Oriented ProgrammingCommunicationCollaborationTest ManagementDefect ManagementAutomationQuality AssuranceScrummulti-location

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