OpenWRT Platform Software Engineer

Job Title: OpenWRT / prpl Platform Software Engineer

Role Overview:

We are seeking an experienced OpenWRT / prpl Platform Software Engineer to develop carrier-grade software solutions for Wi-Fi 6/6E/7 and 5G Fixed Wireless Access (FWA) routers based on Airoha/MediaTek chipsets. The ideal candidate will be responsible for designing, developing, and optimizing high-performance networking software stacks, implementing device management protocols, and building scalable embedded Linux platforms for telecom and broadband operators.

**Key Responsibilities:OpenWRT Development:

• Customize and maintain OpenWRT build systems and package configurations.

• Develop and optimize embedded Linux applications and services.

• Manage operator-specific software distributions and firmware releases.

• Networking & Protocol Development

Design and implement advanced networking features including:

• IPv4 / IPv6

• DHCPv4 / DHCPv6

• SLAAC

• Prefix Delegation (PD)

• MAP-T, MAP-E, and DS-Lite

Develop Layer 2/3 networking solutions with:

• Linux Bridge

• VLAN (802.1Q / QinQ)

• Hardware Offloading

Implement and optimize:

• Multi-WAN

• Failover mechanisms

• Policy-Based Routing (PBR)

• IGMP/MLD Snooping and Proxy services

• Device Management & Standards:

• Implement and support TR-181 data models, TR-098 device models, and USP (TR-369).

• Develop remote management and provisioning solutions for broadband devices.

System Architecture:

• Design scalable and modular software architectures for complex Customer Premises Equipment (CPE).

• Integrate middleware and third-party software components across embedded platforms.

• Drive software design reviews and architectural decisions.

• Debugging & Performance Optimization

• Diagnose and resolve critical system issues including kernel panics, memory leaks, deadlocks, and race conditions.

• Perform packet-level analysis and network troubleshooting using Wireshark, Tcpdump, GDB, Valgrind, and JTAG debugging tools.

Required Skills & Qualifications:Technical Skills:

• Strong hands-on experience with OpenWRT platform development.

• Proficiency in C and C++ programming for embedded systems.

• Strong understanding of Linux internals and embedded Linux development.

• Deep knowledge of networking protocols and broadband gateway technologies.

• Experience with carrier-grade router software development.

Networking Expertise:

• IPv4/IPv6 protocol stack implementation.

• Routing, switching, VLANs, QoS, and traffic management.

• Broadband technologies and operator-grade networking solutions.

Device Management:

• Hands-on experience with TR-181, TR-098, and USP/TR-369 frameworks.

• Knowledge of ACS and remote device management ecosystems.

Preferred Qualifications:

• Chipset & Platform Experience

• Experience with Airoha SDKs and MediaTek Wi-Fi drivers.

• Familiarity with chipset-level software integration and optimization.

• Broadband & Telecom Standards

• Knowledge of RDK-B, prplOS, prplLCM, Broadband Forum standards, and QoS & Traffic Optimization.

• Experience implementing Traffic Shaping, QoS/QoE optimization, Traffic classification, TBF, and FQ-CoDel.

• Ability to optimize user experience for latency-sensitive applications such as gaming and VoIP.

• Security

• Experience with Firewall4 (nftables), iptables, WireGuard, and IPSec VPNs.

• Understanding of hardware crypto acceleration.

• Performance Expectations

• Deliver highly reliable and resource-optimized software suitable for 24/7 carrier deployments.

• Minimize defect resolution timelines and support field trial activities.

• Ensure timely delivery of project milestones and software releases.

• Maintain high code quality through reviews, testing, and documentation.

Education:

• Bachelor's or Master's degree in Computer Science, Electronics, Telecommunications, or a related field.

Preferred Industry Experience:

• Broadband CPE Development

• Telecom Networking

• Wireless Router/Firmware Development

• Embedded Linux Product Engineering

• ISP/Operator Device Software Platform