{"schemaVersion":"jobsearcher.job.v1","id":"9885f91f583c63cb89f01db2","url":"https://jobsearcher.com/jobs/9885f91f583c63cb89f01db2","canonicalUrl":"https://jobsearcher.com/jobs/9885f91f583c63cb89f01db2","title":"Sr. QA Engineer - Machine Learning Platform for E-Commerce","description":"Overview AppIQ Tech is seeking a meticulous and strategic QA Engineer / Sr. QA Engineer to ensure the quality and reliability of our Machine-Learning-driven e-commerce funnel optimisation and digital advertising platform. You will be responsible for defining the testing strategy for high-performance applications that leverage our proprietary Predictive AI solutions. As a key member of our fast-paced startup, you will balance the need for rapid feature deployment with thorough testing and identify and prioritise the highest-risk bugs to ensure our scalable services, which manage millions of daily events, remain robust and accurate.\r\nResponsibilities QA Architecture & Strategy: Develop and maintain a comprehensive QA architecture that supports full-stack applications and complex microservices.\r\nRisk Management: Prioritise bug fixes based on risk of failure and potential impact, while balancing speed-to-market with exhaustive testing.\r\nTest Management: Utilise test case management (TCM) systems such as TestRail, Zephyr, Xray, PractiTest, qTest, or similar to organise test cases, track execution, and provide transparent reporting on quality metrics.\r\nAutomated Testing: Design, implement, and scale automated test suites using tools such as Playwright, Cypress, and Appium.\r\nTesting & Validation: Perform rigorous unit tests and integration tests on applications built with TypeScript, React, Node.js, Python, and PySpark.\r\nInfrastructure Testing: Verify the reliability of deployments across AWS (EC2, S3, Firehose) and Cloudflare edge environments.\r\nData Integrity: Collaborate with Data Engineers to validate the accuracy of complex event data and real-time reporting dashboards.\r\nCross-Functional Collaboration: Act as a great team player with excellent communication skills, working closely with developers and data scientists to ensure a seamless end-user experience.\r\nQualifications 4+ years of professional experience in software quality assurance or engineering, with a strong focus on scalable web applications (7+ years for Sr. QA Engineer).\r\nStrong grasp of QA architecture and modern testing methodologies.\r\nDeep expertise in the tech stack used by our engineers, specifically TypeScript, React, Node.js, Python, and PySpark.\r\nCloud & Database Proficiency: Familiarity with AWS services and both SQL and NoSQL (e.g., MongoDB) databases to effectively test data persistence and performance.\r\nGlobal Collaboration: Ability to work effectively with globally distributed teams\r\nNative or Business-level proficiency in written and spoken English\r\nStrong plus if you also have: AI/ML Literacy: Understanding of Machine Learning (Supervised/Reinforcement Learning), Predictive AI, and the validation of Data Pipelines.\r\nProficiency in Python or experience with PySpark.\r\nPrior experience in the e-commerce or Ad Tech ecosystem (DSPs, Audience Data, Fraud detection).\r\nBenefits The opportunity to shape the QA culture and architecture from the ground up.\r\nAn attractive career path on either a management or an individual contributor track.\r\nGenuine learning, training and development opportunities, supported by regular performance reviews\r\nCompetitive compensation and generous paid time off.\r\nWork-from-anywhere flexibility\r\nOpportunities to develop expertise in building cutting-edge predictive AI applications.\r\nJ-18808-Ljbffr","company":"Appiq Technologies","rawCompany":"appiq technologies","city":"New Bremen","state":"OH","isRemote":false,"isActive":false,"createdAt":"2026-04-09T15:42:12.867Z","occupations":[{"code":"15-1253.00","title":"Software Quality Assurance Analysts and Testers","slug":"software-quality-assurance-analysts-and-testers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"19-4099.01","title":"Quality Control Analysts","slug":"quality-control-analysts"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. QA Engineer - Machine Learning Platform for E-Commerce","description":"Overview AppIQ Tech is seeking a meticulous and strategic QA Engineer / Sr. QA Engineer to ensure the quality and reliability of our Machine-Learning-driven e-commerce funnel optimisation and digital advertising platform. You will be responsible for defining the testing strategy for high-performance applications that leverage our proprietary Predictive AI solutions. As a key member of our fast-paced startup, you will balance the need for rapid feature deployment with thorough testing and identify and prioritise the highest-risk bugs to ensure our scalable services, which manage millions of daily events, remain robust and accurate.\r\nResponsibilities QA Architecture & Strategy: Develop and maintain a comprehensive QA architecture that supports full-stack applications and complex microservices.\r\nRisk Management: Prioritise bug fixes based on risk of failure and potential impact, while balancing speed-to-market with exhaustive testing.\r\nTest Management: Utilise test case management (TCM) systems such as TestRail, Zephyr, Xray, PractiTest, qTest, or similar to organise test cases, track execution, and provide transparent reporting on quality metrics.\r\nAutomated Testing: Design, implement, and scale automated test suites using tools such as Playwright, Cypress, and Appium.\r\nTesting & Validation: Perform rigorous unit tests and integration tests on applications built with TypeScript, React, Node.js, Python, and PySpark.\r\nInfrastructure Testing: Verify the reliability of deployments across AWS (EC2, S3, Firehose) and Cloudflare edge environments.\r\nData Integrity: Collaborate with Data Engineers to validate the accuracy of complex event data and real-time reporting dashboards.\r\nCross-Functional Collaboration: Act as a great team player with excellent communication skills, working closely with developers and data scientists to ensure a seamless end-user experience.\r\nQualifications 4+ years of professional experience in software quality assurance or engineering, with a strong focus on scalable web applications (7+ years for Sr. QA Engineer).\r\nStrong grasp of QA architecture and modern testing methodologies.\r\nDeep expertise in the tech stack used by our engineers, specifically TypeScript, React, Node.js, Python, and PySpark.\r\nCloud & Database Proficiency: Familiarity with AWS services and both SQL and NoSQL (e.g., MongoDB) databases to effectively test data persistence and performance.\r\nGlobal Collaboration: Ability to work effectively with globally distributed teams\r\nNative or Business-level proficiency in written and spoken English\r\nStrong plus if you also have: AI/ML Literacy: Understanding of Machine Learning (Supervised/Reinforcement Learning), Predictive AI, and the validation of Data Pipelines.\r\nProficiency in Python or experience with PySpark.\r\nPrior experience in the e-commerce or Ad Tech ecosystem (DSPs, Audience Data, Fraud detection).\r\nBenefits The opportunity to shape the QA culture and architecture from the ground up.\r\nAn attractive career path on either a management or an individual contributor track.\r\nGenuine learning, training and development opportunities, supported by regular performance reviews\r\nCompetitive compensation and generous paid time off.\r\nWork-from-anywhere flexibility\r\nOpportunities to develop expertise in building cutting-edge predictive AI applications.\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T15:42:12.867Z","dateModified":"2026-04-09T15:42:12.867Z","hiringOrganization":{"@type":"Organization","name":"Appiq Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New Bremen","addressRegion":"OH","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"9885f91f583c63cb89f01db2"},"url":"https://jobsearcher.com/jobs/9885f91f583c63cb89f01db2"}}