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Senior Automation Test Engineer (Irvine, California)

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Introduction 

Xenoss is looking for a highly skilled and proactive Senior Automation Test Engineer with extensive experience in building and maintaining robust automation frameworks within the ad-tech industry. A candidate should possess a strong background in testing complex, high-volume platforms and be an expert in leveraging modern technologies, such as TypeScript and Playwright, to ensure software quality and reliability. The candidate should demonstrate the ability to work independently.

Professional Experience & Project Focus 

This candidate will be engaged with a leading ad-tech company, contributing to the enhancement of their cutting-edge Demand-Side Platform (DSP). This AI-powered platform enables advertisers to programmatically manage and optimize their digital ad campaigns across multiple channels, including Connected TV, mobile, and desktop. The engineer’s primary focus will be on ensuring the seamless functionality and performance of this business-critical system.

Key skills and expertise:

  • Programming languages: TypeScript, JavaScript
  • Test Automation Frameworks: Playwright, Selenium, Jasmine
  • Web technologies: HTML, XPath, CSS
  • Backend & API testing: RESTful APIs, Postman
  • CI/CD: GitHub Actions
  • Tools: Node.js

Key responsibilities:

  • Framework Maintenance & Enhancement: Maintain and enhance a legacy E2E test automation framework built with Selenium, Jasmine, and TypeScript/JavaScript.
  • Modernization & Migration: Support the migration of existing E2E tests from Selenium to Playwright, improving test reliability and execution speed. Take part in the transition of API tests from Postman to Playwright, consolidating testing efforts within a single, modern framework.
  • New Test Development: Designs and implements new E2E tests using Playwright to expand test coverage and validate new features and functionalities of the DSP.
  • Cross-functional Collaboration: Works closely with developers to clarify requirements, provide guidance on writing practical integration tests with Playwright, and ensure comprehensive test coverage throughout the development lifecycle.
  • Release Management: Plays a key role in bi-weekly release activities, including deploying services to various environments, conducting thorough testing of release candidates, and coordinating with the SRE team to ensure smooth and successful production deployments.
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