• Conduct subtitle reviews for client content, English to Thai • Ensure accuracy of objective errors: grammar, spelling, punctuation, consistency, fluency, and intent is conveyed through subtitles • Escalate any issues with the subtitle quality and collaborate with the production team to resolve issues in timely manner • Seek to understand and correct any language uncertainty • Ensure that the subtitle quality align with the expectations and standards of the company and clients • Participate in internal training, as well as external training if required, to keep up with industry standards and company processes

• Work closely with team members (developers, product manager, customer support and partners) to develop, test and deliver high quality products • Create detailed, comprehensive and well-structured test plans and test cases • Prevent, collect, analyze and track product defects • Design, develop and execute automation scripts • Hands-on manual investigation and reproduction of functional backend software issues • Root cause analysis of existing test script failures • Identification of current test script deficiencies and candidates for additional scripted coverage • Investigatory testing of unreleased features including defining requirements, behavior and impact • Documentation and design of candidate test scenarios for the above

• Develop and execute detailed manual test plans and test cases for the Speechify Web app, ensuring strong functional coverage across core user flows and edge cases. • Perform hands-on manual testing across browsers and devices to validate new features, bug fixes, and releases. • Collaborate closely with engineers and product teams to identify, reproduce, isolate, and document defects, providing clear steps, expected vs. actual results, and supporting evidence. • Maintain clear and organized QA documentation, including test cases, regression suites, test reports, and release validation summaries. • Partner with Product, Engineering, and Customer Support to ensure issues are triaged correctly and prioritized based on user impact. • Participate in Agile workflows including daily standups, sprint planning, grooming, and retrospectives, ensuring QA is embedded throughout the development lifecycle. • Execute regression testing and release validation to ensure product quality and stability prior to launch. • Continuously identify ways to improve manual QA processes, test coverage, and communication between teams.

• Review and approve Change Control Request and ensure their timely closure by coordinating with owners. • Act as site representative for Trainings and Document Control systems and manage related activities. • Maintain client test methods, specification databases, and coordinate Quality Agreement approvals internally, externally, and with Legal. • Coordinate and support internal, client, and regulatory audits, and prepare responses to audit findings. • Act as backup for QA functions, including release of Certificates of Analysis, vendor evaluations, and other QA management responsibilities. • Follows Training SOP for training and training records. • Review and approve CCRs and coordinate for their timely closure by periodic follow up with associated CR owners. • Responsible for keeping track of upcoming periodic reviews of documents and ensure their timely completion. • Set up all the documents in DMS and coordinate for their approvals. • Be site representative for Trainings and Document control systems and manage all the activities for these programs.