Senior Software Development Engineer In Test (Javascript)

At KMS Technology Mexico, we are passionate about building innovative software solutions that drive impact.

As part of an international tech company, we offer a collaborative and inclusive environment where your ideas matter and your growth is our priority.ResponsibilitiesDrive test automation strategies, mentor junior engineers, and work closely with developers and product managers to embed testing best practices throughout the software development lifecycle.Create, execute, and optimize end-to-end, integration, API, and UI tests.Collaborate with developers to ensure code is testable and covered by automated tests.Identify, isolate, and report defects, ensuring issues are tracked through resolution.Integrate automated tests into CI / CD pipelines to enable continuous testing.Monitor and analyze test execution results, providing actionable feedback to engineering teams.Contribute to overall quality strategy, ensuring consistent standards across projects.Mentor junior QA / SDET engineers on automation practices, code reviews, and test design.Advocate for testability, performance, and scalability improvements in product design.Collaborate with Product and Engineering teams in an Agile environment, actively participating in sprint planning, reviews, and retrospectives.Qualifications5+ years of professional experience in software testing or software engineering roles.Hands-on experience with test automation tools (e.g., WebdriverIO, Jest, Mocha, Jasmine, or similar).

Solid understanding of CI / CD pipelines and integration of automated tests into build processes.Experience testing APIs (REST / GraphQL) and web applications at scale.Strong debugging and troubleshooting skills across frontend, backend, and integration layers.Familiarity with performance and accessibility testing tools is a plus.Proven ability to work in Agile / Scrum environments.Excellent communication and collaboration skills, with experience partnering with developers and product managers.Strong problem-solving mindset, with the ability to balance speed, quality, and technical excellence.Benefits and PerksLocation : Guadalajara, Jalisco, Mexico (working from home - office won't be mandatory all the time, rather it will required from time to time).

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