VotaryTech - Senior Software Engineer - Log Analysis
Votary Softech Solutions Pvt. Ltd.Delhi, IN14 days ago
Job type
- Remote
Job descriptionStrong understanding of 3GPP standards for LTE, IMS, and VoWiFi. Proficient in LTE Layer 3 protocol stack (RRC, NAS, PDCP, RLC, MAC, PHY). Hands-on experience with network simulators (e.g, Anritsu, Keysight, R&S, Spirent). Familiarity with IMS signaling protocols : SIP, SDP, RTP / RTCP, Diameter. Experience working with chipset tools (Qualcomm QXDM, QCAT, MTK Modem Log Tool, etc. Good knowledge of VoLTE call flows, EPS bearer management, and SIP registration flows. Understanding of eMBMS, CSFB, and SRVCC procedures is a plus. Bachelors or Masters degree in Computer Engineering. Knowledge of 5G NR fundamentals will be an added advantage. Exposure to Android telephony stack or modem validation frameworks preferred
Description : About the Role :
We are looking for a skilled Software Engineer with hands-on experience in LTE UE protocol testing and IMS-based services (VoLTE, ViLTE, and VoWiFi).
The ideal candidate will work on validating and optimizing mobile network performance across multiple chipset platforms to ensure superior end-user experience.
Key Responsibilities :
- Perform LTE UE protocol testing using industry-standard tools and real network setups.
- Conduct functional and performance validation of IMS services such as VoLTE, ViLTE, and VoWiFi.
- Execute test cases on mobile handsets across chipset vendors (Qualcomm, MediaTek, Spreadtrum, etc.
- Analyze call flows, message sequences, and KPIs to identify and resolve issues.
- Collaborate with development, modem, and field testing teams to debug and resolve issues.
- Prepare detailed test reports and contribute to system and feature validation documentation.
Technical Skills :
Preferred Qualifications :
(ref : hirist.tech)
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Senior Software Engineer • Delhi, IN