• Design and maintain comprehensive Web/App test cases and test plans covering functionality, compatibility, and interaction • Develop and maintain UI/API automated tests using Java, Python, or JavaScript to ensure high coverage and reliability • Combine automation and manual exploratory testing to validate user scenarios and discover potential experience issues • Perform root cause analysis on test failures and production issues, and drive fixes to closure • Identify blind spots in test coverage and continuously improve automation effectiveness • Participate in testing for new features — define expected behaviors, system impact, and risk points from a user-experience perspective • Conduct App compatibility testing across devices, OS versions, and screen sizes, as well as Web cross-browser and cross-resolution testing • Participate in performance testing (page load time, App cold start / warm start, etc.) and ensure stability under high-concurrency and weak-network scenarios

• Design, write, and maintain robust automated E2E test suites that mimic real-world enterprise workflows on the Actian Data Intelligence Platform. • Build automated tests specifically designed to test the platform's stability, load capacity, and recovery under stress or failure conditions. • Embed your automated test suites seamlessly into our CI/CD pipelines (GitHub Actions/Jenkins) to provide developers with rapid feedback on every code change. • Write deep integration and API automated tests to verify data accuracy across our distributed architecture. • Partner closely with the Sustaining Engineering team to analyze production bugs, quickly writing automated tests to reproduce and permanently block them from returning. • Actively track, isolate, and rewrite unreliable tests to maintain total confidence in our automation results. • Work side-by-side with backend developers and product owners early in the lifecycle to map out automated testing strategies before the code is even written. • Leverage modern AI assistants and coding tools to generate test data, accelerate script writing, and debug test failures efficiently. • Write clean, modular, and reusable test scripts, conducting peer reviews with fellow QA engineers to keep the test codebase healthy. • Monitor feature-level QA metrics like test execution times, code coverage, and pass rates to continuously optimize the testing pipeline.

• Design, scale, and maintain robust automation frameworks capable of testing the complex SaaS and distributed data architectures of the Actian Data Intelligence Platform. • Embed automated test suites seamlessly into the CI/CD pipeline (GitHub Actions/Jenkins) to achieve true continuous integration and rapid feedback loops. • Drive deep integration, API, performance, resilience, and data-integrity automation across the entire product stack. • Act as the ultimate technical authority for the QA automation squad, establishing clean code standards for test scripts, conducting rigorous code reviews, and minimizing framework technical debt. • Coach junior automation engineers and guide functional QA testers in transitioning toward automated practices, ensuring everyone owns their automation targets. • Allocate engineering capacity effectively across feature testing, framework enhancement, and technical debt reduction. • Own the final quality sign-off for platform releases. Have the technical authority and conviction to halt deployments if quality thresholds are not met. • Collaborate closely with Product Management, Core Engineering, and DevOps to understand new features early, mapping out automation strategies before the code is written. • Partner with the Sustaining Engineering team to analyze production leaks, quickly writing automated tests to reproduce bugs and guarantee they never regress. • Treat flaky tests as a critical system anomaly. Track, isolate, and eliminate them to maintain absolute trust in the automation suite. • Track and report on key QA operational metrics (Test Coverage, Automation Pass Rates, Execution Time, and Defect Leakage Rate) to optimize delivery speed. • Pioneer the usage of modern AI tools to accelerate test case generation, optimize test suites, and intelligently predict defect hot-spots.

Title: Test Development Engineer I Location: Chelmsford United States Full time Job Description: At ZOLL, were passionate about improving patient outcomes and helping save lives. We provide innovative technologies that make a meaningful difference in peoples lives. Our medical devices, software and related services are used worldwide to diagnose and treat patients suffering from serious cardiopulmonary and respiratory conditions. The Acute Care Technology division of ZOLL Medical Corporation develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Products include AEDs, trauma kits, ventilators, temperature management solutions, and more. Our dedicated employees take pride in their commitment to improving patient outcomes while delivering world-class customer service. At ZOLL, you wont just have a job. Youll have a career-and a purpose. Join our team. Its a great time to be a part of ZOLL! Job Type: Hybrid Job Summary The "Test Development Engineer 1" will support development of advanced test systems and methodologies for ZOLL medical devices. Responsibilities include designing, testing, documenting, validation and verification of new and existing test systems. The successful candidate is detail-oriented, a strong problem-solver, and eager to support delivery of innovative and efficacious testing solutions for ZOLL products. Essential Functions • Develop test methods and procedures to support manual and automated testing of ZOLL products • Design, document, update and validate and improvements for custom test hardware and software used in ZOLL test stations • Develop and update test requirements and plans used for supporting test stands and processes • Debug test fixtures and systems using common lab equipment (e.g., oscilloscopes, DMMs, function generators, etc.) • Prototype, build and debug circuit boards, cables and other components for use in ZOLL test systems • Document test results and analyze data using statistical tools to prepare technical reports • Support continuous improvement initiatives for ZOLL product testing while ensuring good manufacturing practices (cGMP) are maintained Required/Preferred Education and Experience • Bachelors Degree Science Degree (EE, ME, preferred) required • 0-2 years of engineering, technical or manufacturing experience required Knowledge, Skills and Abilities • Basic electro-mechanical skills, to include assembly, dis-assembly and repair assemblies • Experience with analog and digital circuitry preferred, high-voltage a plus • Familiar with basic engineering lab equipment and measurement instruments (e.g., oscilloscopes, DMMs, function generators, etc.) • Experience with test automation software such as LabVIEW, TestStand, Python, C/C# a plus • Strong attention to detail, analytical thinking, and problem-solving skills • Excellent written and verbal communication skills Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. • Standing - Occasionally • Walking - Occasionally • Sitting - Constantly • Talking - Occasionally • Hearing - Occasionally • Repetitive Motions - Frequently ZOLL is a fast-growing company that operates in more than 140 countries around the world. Our employees are inspired by a commitment to make a difference in patients lives, and our culture values innovation, self-motivation and an entrepreneurial spirit. Join us in our efforts to improve outcomes for underserved patients suffering from critical cardiopulmonary conditions and help save more lives. The annual salary for this position is: Factors which may affect starting salary include geography, skills, education, experience, and other qualifications of the successful candidate. Details of ZOLLs comprehensive benefits plans can be found at www.zollbenefits.com . Applications will be accepted on an ongoing basis until this position is filled. For fully remote positions, compensation will comply with all applicable federal, state, and local wage laws, including minimum wage requirements, based on the employees primary work location. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, disability, or status as a protected veteran. ADA: The employer will make reasonable accommodations in compliance with the Americans with Disabilities Act of 1990.