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

JND; Seattle (WA); On-site; USD 80,000 - 95,000; Full time

Benefits offered by this job

Medical Insurance (Health, Dental & Vision)

401(k)

Paid Time Off

H1B/Green Card Sponsorship

Opportunities for career advancement

Job summary

JND in Seattle is seeking a Software Test Engineer with Chinese bilingual capability to oversee mobile software quality assurance and carrier certification testing for major North American operators. This role requires a minimum of 2+ years of testing experience and strong knowledge of North American certification processes.

The successful candidate will perform end-to-end management of software defects and collaborate with global R&D teams, ensuring compliance and delivery of next-generation mobile devices.

Qualifications

• Minimum 2+ years of hands-on experience in software testing for mobile communication terminal products.
• Strong familiarity with testing procedures, certification processes, and node requirements of major North American operators.
• Proficient/Fluent in Chinese (Mandarin) with ability to facilitate direct communication.

Responsibilities

• Perform comprehensive mobile software quality assurance and carrier certification testing.
• Manage software defects end-to-end and cooperate with engineering compliance checks.
• Facilitate seamless communication with R&D project teams, leveraging Chinese language proficiency.

Skills

Software testing experience

Bilingual in Chinese (Mandarin)

Proficient in debugging tools (QXDM, Wireshark)

Knowledge of testing procedures for North American operators

Fluent in English

Education

Bachelor's Degree in Electrical Engineering, Computer Science, or related field

Tools

QXDM

Wireshark

Job description

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

Location

• Seattle, WA

Benefits & Perks

• 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

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, 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.

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 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.

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) 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.