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# Lead-Software Test

- **Company:** Mettler-Toledo International Inc.
- **Location:** Tustin, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Clean Code Principles, JavaScript (Programming Language), Application Programming Interfaces (APIs), Software Applications, Automation of Tests, Software Bug Management, Code Coverage, Code Review, Continuous Integration, Software Design Patterns, Object-Oriented Software Development, Scrum Methodology, Regression Testing, OPC Unified Architecture, SignalR, Software Testing Automation Framework, Test Execution Engine, Test Management, Strategies of Testing, TypeScript, Performance Testing, Postman, Appium, Generative AI, Git, Playwright
- **Published:** November 5, 2026
- **Apply:** https://www.careerbuilder.com/job-details/lead-software-test-tustin-ca--ec5b3bf8-5e36-4a64-bd69-b5d655d570dc

## About the Role

Software Testing, Test Automation, Quality Assurance Methodology, Testing, Test Strategy, Establish Priorities, Work Breakdown Structure (WBS), Test Plan/Schedule, Application Programming Interface (API), Software Testing, * Familiarity with BDD / TDD, PI planning, sprint planning, and agile ceremonies.

 * Proven track record in test management, test automation, and validation of on-premise / desktop / cloud-native software and connected device ecosystems.
 * Ability to analyse requirements and ensure comprehensive test coverage.
 * Strong test planning, test design, test artefacts review, code review and defect management skills.
 * Experience in building robust, scalable, maintainable, test frameworks that can perform Web, Desktop and API tests.
 * Hands-on experience with modern automation stacks, preferably:
 * Advanced proficiency in TypeScript, including OOPS and design patterns or JavaScript.
 * Proven experience with Playwright or similar test automation frameworks.
 * API testing tools and practices
 * Contract testing
 * WinAppDriver / Appium or other similar Desktop application automation
 * Strong understanding of object-oriented programming, design patterns, and clean code principles.
 * Exposure to CI/CD pipelines, Git, and test automation integration in delivery workflows.
 * Firsthand experience in deploying and provisioning continuous execution of automated tests, Monitoring failures, and troubleshooting and controlling flaky tests.
 * Strong collaboration and communication skills. Ability to communicate technical topics clearly to both technical and non-technical stakeholders.
 * Ability to work effectively in an international, cross-functional environment.

Nice to Have Skills

 * Knowledge of Laboratory domain / Automated Chemistry systems.
 * Experience with embedded system testing.
 * Performance testing tools like K6.
 * Exposure to Security testing & tools involved.
 * Familiarity in a11y testing.
 * Testing and Debugging SignalR applications.
 * OPC UA testing.
 * Experience using genAI tools for test automation.
 * ISTQB or similar Advance level certification

## Description

Our Opening and Your Responsibilities

 * Define and monitor test automation processes aligned with organizational standards.
 * Prepare estimations, test plans, test strategies, work breakdown structures and prioritize work for test automation team.
 * Build and extend reusable, scalable test automation frameworks.
 * Deliver automated testing across UI, API, integration, and non-functional areas.
 * Review test designs, automation code, and related quality artifacts.
 * Ensure test artifacts, documentation, and execution evidence are maintained.
 * Troubleshoot issues, perform root cause analysis, support defect triage and regression testing.
 * Define and maintain CI/CD practices and test execution infrastructure.
 * Drive failure analysis, test code maintenance, and reduce flaky tests.
 * Establish and track relevant team and project level KPIs / metrics, analyse trends, and recommend actions to drive continuous improvement.
 * Establish and maintain regular communication and reporting with stakeholders. Collaborate effectively with cross-functional teams across time zones.
 * Stay updated with modern testing tools, trends, and industry developments.