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

JND Inc.; Seattle (WA); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Medical Insurance (Health, Dental & Vision)

401(k)

Paid Time Off

H1B/Green Card Sponsorship

Hands-on experience at global industry leader Samsung

Opportunities for career advancement

Job summary

JND Inc. in Seattle is seeking a skilled Software Test Engineer with Chinese bilingual capabilities to oversee software quality assurance for mobile devices. You will perform testing crucial for carrier certification and ensure compliance with North American standards.

This role involves detailed collaboration with global R&D teams, while also managing software defects and utilizing advanced debugging tools in a fast-paced environment. Opportunities for career advancement and sponsorship available.

Qualifications

• 2+ years of hands-on experience in software testing for mobile communication terminal products.
• Strong familiarity with testing procedures and certification processes for North American operators.
• Fluency in both Chinese (Mandarin) and English.

Responsibilities

• Perform comprehensive 5G/4G protocol, Lab IOT, and live network field testing.
• Log, track, and manage software defects effectively.
• Communicate seamlessly with R&D teams based in Asia.

Skills

Software Testing

Bilingual Chinese (Mandarin)

Debugging tools

Mobile communication tests

Education

Bachelor's Degree in Electrical Engineering or Computer Science

Tools

QXDM

Wireshark

Job description

Position Overview

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 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, escape 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 elevate 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 of 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 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.