Mid Level Software Test Engineer - 5G 4G Mobile Carrier Certification Testing

Position Overview

• Job Title:
  
  Software Test Engineer [Chinese Bilingual]
• Education:
  
  Bachelor's Degree in Electrical Engineering, Computer Science, or related field
• Minimum 2+ years of hands‑on experience in software testing for mobile communication terminal products
• Job Type: Full‑Time, Hourly

• Seattle, WA

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

• 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, escalating 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 escape critical software bugs, system performance blocks, or project risks to the front‑end testing contacts and R&D departments.
• 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.
• Accept night‑time overtime/flexible hours to accommodate time‑zone differences and maintain real‑time progress alignment with Asia‑based R&D centers.

• 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) with ability to facilitate direct, technical communication 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.