[Mid Level] Software Test Engineer - 5G 4G Mobile Carrier Certification Testing (12601-2)

[Position Overview]

• 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
• Job Type: Full-Time, Hourly

[Location]

• Seattle, WA

[Benefits & Perks]

• Medical Insurance (Health, Dental & Vision)
• 401(k)
• Paid Time Off
• H1B/Green Card Sponsorship for qualified employee
• Hands-on experience at global industry leader Samsung
• Opportunities for career advancement

[Summary]

• 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.

[Duties and Responsibilities]

• 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.

[Skills & Qualifications]

• 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.

[JND Boilerplate]

Our team of highly experienced QA engineers ensures product quality across mobile and software platforms, offering a wide range of software testing and carrier certification positions at Samsung and other global industry leaders. We also have opportunities in tech/engineering, business operations, marketing, and many more!

Our vision is 'We Want to See You Grow' to become the industry leader for both employee and company.
For more information about JND, please visit

[Hashtags]

#Samsung #Mobile #5G #4G #SoftwareTesting #QA #ChineseBilingual #MidLevel #CarrierCertification #NetworkTesting