{"schemaVersion":"jobsearcher.job.v1","id":"798f5666be1d4c4b5a08069d","url":"https://jobsearcher.com/jobs/798f5666be1d4c4b5a08069d","canonicalUrl":"https://jobsearcher.com/jobs/798f5666be1d4c4b5a08069d","title":"Sr. QA Engineer - Machine Learning Platform for E-Commerce","description":"OverviewAppIQ 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.ResponsibilitiesQA Architecture & Strategy: Develop and maintain a comprehensive QA architecture that supports full-stack applications and complex microservices.Risk Management: Prioritise bug fixes based on risk of failure and potential impact, while balancing speed-to-market with exhaustive testing.Test 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.Automated Testing: Design, implement, and scale automated test suites using tools such as Playwright, Cypress, and Appium.Testing & Validation: Perform rigorous unit tests and integration tests on applications built with TypeScript, React, Node.js, Python, and PySpark.Infrastructure Testing: Verify the reliability of deployments across AWS (EC2, S3, Firehose) and Cloudflare edge environments.Data Integrity: Collaborate with Data Engineers to validate the accuracy of complex event data and real-time reporting dashboards.Cross-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.Qualifications4+ years of professional experience in software quality assurance or engineering, with a strong focus on scalable web applications (7+ years for Sr. QA Engineer).Strong grasp of QA architecture and modern testing methodologies.Deep expertise in the tech stack used by our engineers, specifically TypeScript, React, Node.js, Python, and PySpark.Cloud & Database Proficiency: Familiarity with AWS services and both SQL and NoSQL (e.g., MongoDB) databases to effectively test data persistence and performance.Global Collaboration: Ability to work effectively with globally distributed teamsNative or Business-level proficiency in written and spoken EnglishStrong plus if you also have:AI/ML Literacy: Understanding of Machine Learning (Supervised/Reinforcement Learning), Predictive AI, and the validation of Data Pipelines.Proficiency in Python or experience with PySpark.Prior experience in the e-commerce or Ad Tech ecosystem (DSPs, Audience Data, Fraud detection).BenefitsThe opportunity to shape the QA culture and architecture from the ground up.An attractive career path on either a management or an individual contributor track.Genuine learning, training and development opportunities, supported by regular performance reviewsCompetitive compensation and generous paid time off.Work-from-anywhere flexibilityOpportunities to develop expertise in building cutting-edge predictive AI applications. #J-18808-Ljbffr","company":"Appiq Technologies","rawCompany":"appiq technologies","city":"Beaver","state":"OH","isRemote":false,"isActive":false,"createdAt":"2026-06-03T01:10:47.417Z","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":"OverviewAppIQ 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.ResponsibilitiesQA Architecture & Strategy: Develop and maintain a comprehensive QA architecture that supports full-stack applications and complex microservices.Risk Management: Prioritise bug fixes based on risk of failure and potential impact, while balancing speed-to-market with exhaustive testing.Test 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.Automated Testing: Design, implement, and scale automated test suites using tools such as Playwright, Cypress, and Appium.Testing & Validation: Perform rigorous unit tests and integration tests on applications built with TypeScript, React, Node.js, Python, and PySpark.Infrastructure Testing: Verify the reliability of deployments across AWS (EC2, S3, Firehose) and Cloudflare edge environments.Data Integrity: Collaborate with Data Engineers to validate the accuracy of complex event data and real-time reporting dashboards.Cross-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.Qualifications4+ years of professional experience in software quality assurance or engineering, with a strong focus on scalable web applications (7+ years for Sr. QA Engineer).Strong grasp of QA architecture and modern testing methodologies.Deep expertise in the tech stack used by our engineers, specifically TypeScript, React, Node.js, Python, and PySpark.Cloud & Database Proficiency: Familiarity with AWS services and both SQL and NoSQL (e.g., MongoDB) databases to effectively test data persistence and performance.Global Collaboration: Ability to work effectively with globally distributed teamsNative or Business-level proficiency in written and spoken EnglishStrong plus if you also have:AI/ML Literacy: Understanding of Machine Learning (Supervised/Reinforcement Learning), Predictive AI, and the validation of Data Pipelines.Proficiency in Python or experience with PySpark.Prior experience in the e-commerce or Ad Tech ecosystem (DSPs, Audience Data, Fraud detection).BenefitsThe opportunity to shape the QA culture and architecture from the ground up.An attractive career path on either a management or an individual contributor track.Genuine learning, training and development opportunities, supported by regular performance reviewsCompetitive compensation and generous paid time off.Work-from-anywhere flexibilityOpportunities to develop expertise in building cutting-edge predictive AI applications. #J-18808-Ljbffr","datePosted":"2026-06-03T01:10:47.417Z","dateModified":"2026-06-03T01:10:47.417Z","hiringOrganization":{"@type":"Organization","name":"Appiq Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Beaver","addressRegion":"OH","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"798f5666be1d4c4b5a08069d"},"url":"https://jobsearcher.com/jobs/798f5666be1d4c4b5a08069d"}}