Android Telephony and Radio Interface Layer & Linux Networking

Position Summary

Android Telephony Framework & Radio Interface Layer advanced 5G feature development & commercialization.

Design & develop of advanced inhouse features & commercialize in Flagship & innovative devices.

Role and Responsibilities

Develop and implement telephony and radio interface layers for Android devices, including GSM/CDMA, LTE, and 5G technologies.

Optimize network performance, call quality, and data speeds while maintaining low power consumption & latencies.

Develop & commercialize advanced 5G features (Network Slicing, VoNR, Private Networks, Satellite communication, N3IWF, ATSSS etc)

Develop & commercialize advanced SIM technologies (eSIM, MEP etc)

Design & development of new innovation solutions to improve consumer experience on Samsung handsets (Gaming, Video Call, Streaming etc)

Debug and troubleshoot complex issues related to telephony and radio interfaces, working closely with vendors, carriers, and OEMs.

Maintain and update existing telephony and radio interface layer codebase, ensuring compatibility with new Android releases and device models.

Stay informed about industry trends, emerging technologies, and standards related to mobile networks and communication protocols.

Skills and Qualifications

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

Strong experience in developing Android telephony and radio interface layers (Vendor RIL), preferably for multiple generations of cellular networks.

Expertise in Java, C++, and Android SDK, with a focus on telephony and network-related APIs.

Familiarity with Linux operating systems, shell scripting, and command-line tools.

Knowledge of wireless communication protocols (e.g., GSM/UMTS/LTE/5G), network architecture

Excellent problem-solving, debugging, and troubleshooting skills.

Prior experience working with major mobile carriers, OEMs, or handset manufacturers is a plus.

Expertise in C/C++ programming, with a deep understanding of Linux kernel internals, particularly networking subsystems and eBPF.

Familiarity with eBPF toolchains (e.g., LLVM, bpftool, bcc) and related frameworks (e.g., BPFIL, libbpf).

Expertise in Linux operating systems and associated networking tools (e.g., iptables, iproute2, sysctl).

Strong understanding of TCP/IP protocol suite, OSI model, routing algorithms, and subnetting concepts.

Expertise on ePDG (Evolved Packet Data Gateway) protocol (IPSEC), MPTCP etc is added advantage

Effective communication, collaboration, and interpersonal skills, with the ability to work in a fast-paced, agile environment.

Passion for technology and a commitment to continuous learning and self-improvement.

* Please visit Samsung membership to see Privacy Policy, which defaults according to your location. You can change Country/Language at the bottom of the page. If you are European Economic Resident, please click here.

R90409