Niranjan Singh
Test Engineer
Mumbai
Summary
Test Engineer with over 7 years of experience in mobile device modem testing, specializing in manual and automated methodologies across diverse platforms. Expertise in chipset testing for industry leaders including Qualcomm, MediaTek, and Quectel, with a strong focus on performance testing and effective communication. Proven ability to collaborate within teams while successfully assuming leadership roles to drive continuous improvement and technological advancement. Committed to delivering high-quality results and adept at swiftly adapting to new concepts and challenges in the ever-evolving tech landscape.
Overview
8
8
years of professional experience
1
1
Language
Work History
Senior Software Engineer
Jio Platform Limited
08.2024 - Current
- Tested IoT devices such as smart meters and tuff trackers using NB-IoT and LTE Cat 1 technologies/Network , ensuring reliable real-time data transmission and optimal power efficiency for large-scale utility and tracking solutions.
- Conducted extensive protocol testing and validation of smart metering solutions using LwM2M and DLMS standards, focusing on secure, efficient, and reliable data exchange between IoT devices and Head End Systems (HES).
- Verified end-to-end device communication workflows, including device registration, data transmission, and remote command execution, to optimize seamless and interoperable integration with utility-grade HES platforms.
- Utilized diagnostic tools such as Coolwatcher ,ARM Tracer and Logel for comprehensive log capture and analysis on Quectel chipset-based IoT modules, identifying firmware, network, and functional issues to optimize device performance.
- Analyzed diverse log sources—including application logs, modem logs, and data communication traces.
- Leveraged Wireshark for in-depth protocol and packet-level analysis, capturing and interpreting real-time network traffic to identify bottlenecks, data anomalies, and connectivity problems with FOTA upgrades.
Lead Test Engineer
Tionix Solutions Pvt Ltd.
01.2023 - 03.2024
- Perform testing on different platforms (laptops, Tabs, Mobile handset) along with supporting Overseas engineers in Test case execution.
- Perform UI/Modem, Sanity, Functional and Regression testing of Prototype Devices(Samsung, HP, Microsoft, Xiaomi, Nothing, Lenovo, etc).
- Major test cases performed and supported includes Throughput on FR 1 & FR2 band(n 277) on pixels devices, Regression Testing includes short/Long MO/MT calls, SA/NSA related cases,VoWiFi Test cases, IMS test cases,Basic sanity on Tablets with QXDM/PCAT modem logging tool.
- Issue Finding on given prototype and sharing bugs description with the client on daily basis.
- Perform Data-centric (Registration, GPS & Maps, Throughput, MT SMS, Thermal standby)Test cases on HP laptops which supported both physical and ESIM in the Mumbai Network condition.
- Communicating/Coordinating with clients for collecting logs, reproducing issues and providing the required support as per requirement.
- Ability to quickly grasp new concepts, both technical and business related and utilize as needed.
Test Engineer
Freelancer
09.2021 - 12.2022
- Maintained up-to-date documentation of all test plans, procedures, results, and defect tracking databases for future reference or audits.
- Created comprehensive test plans, test scripts, and use cases to support testing objectives.
- Reviewed, evaluated, and identified requirements for testability.
Test Engineer
Marquis technology Pvt Ltd
02.2018 - 05.2021
- Protocol & UE Test Engineer with more than 4+ years of experience in the area of Testing (Modem and Application) across India & Abroad.
- Manual Mobile and Automation Testing on Android platform embedded with Qualcomm prototype devices.
- Expertise in Chipset testing (Qualcomm & Mediatek) & finding bugs/defects in android smart phones.
- Good exposure in LTE protocols SA/NAS, SG NR, LTE, IMS (VoLTE, VoWiFi), CA, GSM, eMBMS.
- Good understanding of LTE/NR procedures such as Attach, Cell Selection/Reselection, Handovers, Basic understanding of IMS, VoLTE, VoWiFi.
- Learning 5G Technologies as it evolves, basic understanding of SA, NSA and VoNR, CUPS Architecture, PDU session and QOS flow.
- Experience in flashing different chipsets (Normal flashing and Tool flashing) across different platforms and testing chipsets in live networks.
- Analyzing issues on primary level and report to client & higher management on portal such as JIRA, RTC.
Education
B.E - Electronics and Telecommunication
Priyadarshani Collage Of Engineering
Nagpur07.2017
Skills
Chipset : Qualcomm,Mediatek,Quectel
undefinedAwards
Received "On The Fly Awards " for the exemplary project delivery and for the valuable contribution to Quest Global. Aug-2025
“ROCKSTAR” award for Best Performance in different Projects in Marquis Technologies March-2019.
Timeline
Senior Software Engineer
Jio Platform Limited
08.2024 - Current
Lead Test Engineer
Tionix Solutions Pvt Ltd.
01.2023 - 03.2024
Test Engineer
Freelancer
09.2021 - 12.2022
Test Engineer
Marquis technology Pvt Ltd
02.2018 - 05.2021
B.E - Electronics and Telecommunication
Priyadarshani Collage Of Engineering
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