Software Development Engineer in Test II - TypeScript

Dexian; Plano (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Dexian is seeking an SDET II specializing in TypeScript to support Web, API, and mobile application platforms. This hands-on role includes designing, developing, and maintaining UI automation frameworks for web and mobile applications while collaborating closely with engineering teams.

The ideal candidate will have strong expertise in TypeScript, WebdriverIO, and CI/CD integration. You will be responsible for automating tests across iOS and Android applications and ensuring high-quality software delivery in agile setups.

Qualifications

• 5+ years of experience in test automation or SDET roles.
• Strong hands-on experience with TypeScript.
• Proven experience with WebdriverIO for mobile app automation.
• Hands-on experience automating iOS and Android applications (native and/or hybrid).
• Experience with API test automation for RESTful services.

Responsibilities

• Design, develop, and maintain UI automation frameworks using TypeScript.
• Build and execute API test automation for backend and integration services.
• Integrate web, mobile, and API automated tests into GitLab CI/CD pipelines.
• Investigate automation failures and improve test reliability.

Skills

TypeScript

WebdriverIO

UI automation frameworks

CI/CD integration

API test automation

Agile development

Tools

Git

GitLab CI/CD

Job description

We are looking for an SDET II specializing in TypeScript based test automation to support Web, API, and mobile application platforms. This role emphasizes UI, API, and mobile app automation, strong CI/CD integration, and close collaboration with engineering teams to deliver high quality software at scale.

This is a hands‑on role for an engineer who enjoys building and evolving automation frameworks, driving quality early in the development lifecycle, and enabling fast, reliable releases across web, iOS, and Android platforms.

Key Responsibilities

• Design, develop, and maintain UI automation frameworks using TypeScript for:
• Web applications using Playwright
• Mobile applications (iOS and Android) using WebdriverIO
• Build, execute, and maintain mobile app automation suites for native and hybrid applications across iOS and Android platforms.
• Build and execute API test automation for backend and integration services.
• Integrate web, mobile, and API automated tests into GitLab CI/CD pipelines to support continuous delivery.
• Collaborate with Software Engineers, Product Managers, and QE partners to define quality requirements and ensure appropriate test coverage.
• Investigate automation failures, identify root causes, and continuously improve test reliability and execution stability.
• Maintain automation documentation, test data, environment configurations, and execution standards.
• Advocate for automation best practices, shift‑left testing, and testability improvements across Agile teams.

Required Qualifications

• 5+ years of experience in test automation or SDET roles.
• Strong hands‑on experience with TypeScript.
• Proven experience with WebdriverIO for mobile app automation.
• Hands‑on experience automating iOS and Android applications (native and/or hybrid).
• Experience with API test automation for RESTful services.
• Solid understanding of Git and GitLab CI/CD pipelines.
• Strong knowledge of testing fundamentals, automation strategies, and Agile development practices.
• Excellent analytical, troubleshooting, and communication skills.

Preferred Qualifications

• Experience testing large‑scale, customer‑facing mobile and web applications.
• Familiarity with Linux‑based test execution environments.
• Exposure to mobile test execution at scale in CI/CD pipelines.
• Experience with accessibility, performance, or reliability testing concepts.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.