> Markdown version of [/jobs/ext/544492-mid-level-software-test-engineer-5g-4g-mobile-carrier-certification-testing-12601-1](https://www.wearedevelopers.com/jobs/ext/544492-mid-level-software-test-engineer-5g-4g-mobile-carrier-certification-testing-12601-1). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # [Mid Level] Software Test Engineer - 5G 4G Mobile Carrier Certification Testing (12601-1) - **Company:** JND Inc. - **Location:** Dallas, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), 4G (Telecommunication), Software Bug Management, Software Debugging, Mobile Application Software, Regression Testing, Test Execution Engine, Wireshark, Wi-Fi Technology, Data Logging, Information Technology - **Published:** June 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=dd1269c091d6ae91 ## About the Role Do you have experience in Writing skills?, * Job Title: Software Test Engineer [Chinese Bilingual] * Education: Bachelor's Degree in Electrical Engineering, Computer Science, or related field * 2+ years of hands-on experience in software testing for mobile communication terminal products, * Minimum 2+ years of hands-on experience in software testing for customized mobile communication terminal products (smartphones, wearables, etc.) for North American or European operators. * Strong familiarity with the testing procedures, certification processes, and node requirements of major North American operators (T-Mobile, Verizon, AT&T, and Dish). * Proficient/Fluent in Chinese (Mandarin): Must be able to facilitate direct, technical, and seamless communication/cooperation with domestic R&D project teams. * Fluent in English: Strong listening, speaking, reading, and writing skills to communicate effectively with front-line teams, local management, and carrier personnel. * Highly proficient in utilizing core logging and debugging tools (e.g., QXDM, Wireshark). * Acute eye for fault detection, proactive risk prediction, strong sense of responsibility, and high stress tolerance. * Prior experience with T-Mobile specific device validation preferred. * Experience in specialized testing areas such as Satellite network validation or Wi-Fi Passpoint environments preferred. ## Description * Seek a skilled Software Test Engineer with Chinese bilingual capability to oversee mobile software quality assurance and carrier certification testing for major North American operators. * Act as a critical technical bridge between onsite U.S. testing activities and the client's global R&D teams in Asia, ensuring seamless delivery and compliance of next-generation mobile devices. * Perform comprehensive 5G/4G protocol, Lab IOT, and live network field testing based on specific North American carrier prerequisite test cases. * Manage software defects end-to-end, escalate critical bugs and project risks, and cooperate with engineering compliance checks and regression testing. * Utilize advanced logging and debugging tools such as QXDM and Wireshark in a fast-paced, cross-functional testing environment., * Test Execution & Validation: Perform comprehensive 5G/4G protocol, Lab IOT, and live network field testing based on specific North American carrier prerequisite test cases. * Defect Management: Promptly log, track, and manage software defects in the designated bug-tracking system according to established procedures, ensuring complete resolution and closure. * Risk Escalation: Immediately detect and escalate critical software bugs, system performance blocks, or project risks to the front-end testing contacts and R&D departments. * Compliance & Compliance Checks: Cooperate with client engineering compliance checks, execute rigorous regression testing, and conduct root-cause analyses on missed tests. * Cross-Functional Collaboration: Accept and efficiently execute testing task assignments from the Software Testing Department to meet strict milestone deadlines. * Facilitate direct, technical, and seamless communication/cooperation with R&D project teams, leveraging Chinese (Mandarin) language proficiency. * Must be able to accept night-time overtime/flexible hours to accommodate time-zone differences and maintain real-time progress alignment with Asia-based R&D centers. ## Related Videos - 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