Mô tả công việc
• Develop and maintain Android Telephony systems on mobile devices.
• Analyze and resolve issues related to the Telephony/Telecom Framework, including voice calls, SIM management, network registration, and IMS (VoLTE/VoWiFi).
• Lead requirement analysis, solution design, and implementation of telephony-related features for mobile platforms.
• Conduct bug investigation and root-cause analysis across Framework, HAL, and Modem layers, and deliver effective fixes.
• Optimize telephony system stability, call quality, performance, and overall user experience.
• Prepare clear technical documentation and reports for non-technical stakeholders, ensuring issues and solutions are communicated in an understandable manner.
Yêu cầu
Proficient in Java/Kotlin, with in- depth knowledge of the Android Telephony/Telecom Framework, RIL, ImsService, CarrierConfig, and ContentProvider.
Experienced in system - level interactions between the Telephony Framework and Dialer applications, including call flow handling, InCallService, and Telecom APIs.
Strong understanding of Android IPC mechanisms (AIDL, Binder).
Skilled with Android development and debugging tools such as Android Studio, Logcat, dumpsys, Modem logs, RIL logs, Systrace, etc.
Familiar with mobile modem and baseband architecture, SIM/UICC behavior, and communication between Framework - HAL - Modem (RIL).
Capable of creating technical documents, analysis reports, and simplified explanations tailored for non-technical customers or partners.
Strong analytical and problem-solving abilities; able to work independently and manage task progress effectively.
Good teamwork and communication skills; responsible, detail - oriented, and able to work under pressure.
Proficient in English (spoken and written), with strong communication and technical troubleshooting abilities.
Quyền lợi
Attractive salary package with 100% salary on 2 months of probation and annual salary review.
13(th) month salary.
Full participation in social insurance from the probation period, with 70% of the official salary used as the contribution base.
Team Building events, marriage cash gift, Lunar Tet cash gift
Up to 18 leave days per year.
Oversea on-site & training opportunities
To be key members in Vietnam branch office and get full opportunity for career development.
International and professional work environment.
Thông tin khác
Thời gian làm việc
Thứ 2 - Thứ 6 (từ 08:00 đến 17:00)
Thông tin chung